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Toshipa L550-00P Laptop will not boot suddenly

Question: Toshipa L550-00P Laptop will not boot suddenly

I was cleaning up my wife's laptop and installed a defragger from CNET and while in that program the screen went blank and now it wont restart - when I push the On button nothing happens. I'm in real sh...t, I broke HER computer.
Toshiba L550-00P Laptop
Windows 7 Home Prem OA

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Preferred Solution: Toshipa L550-00P Laptop will not boot suddenly

I recommend downloading and running Reimage. It's a computer repair tool that has been proven to identify and fix many Windows problems with a high level of success.

I've used it in the past to identify and fix everything from blue screens (BSOD's), ActiveX errors, corrupt files and processes, dll/exe/sys errors, recover lost memory, Windows update problems, defragging, malware removal etc.

You can download it direct from this link (This link will automatically start a download of Reimage that you can save to your computer.)

Answer: Toshipa L550-00P Laptop will not boot suddenly

It's working OK now. I unplugged it from surge protect bar and plugged in another one and voila, it booted up. I also deleted the free defrag program, just in case.

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Hello every one Two days ago my laptop suddenly freeze with strange sound and screen off, after i restart it it's doesn't work and screen is black, i connected laptop to PC screen, sometimes PC screen start and down and some times get strange line " in attach", and other it work fine and laptop screen on , when i restart i face the same problem.When i start the laptop the fan work with high speed and hot air get out from it.

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About two weeks ago I placed my laptop down on the ground. When I picked it up two minutes later, there was an error on the screen which read something like "There is a problem with the cooling system, please contact your nearest Toshiba centre." Since then, the cooling fan has not worked.

I replaced the fan with a different one which also didn't work, so perhaps the problem is the system not the fan? Is there some setting within the system that allows me to manually turn the fan on and off?

Answer:Re: Satellite L550 - Cooling fan suddenly stopped working

> I replaced the fan with a different one
So that means you replaced it with another model?
Well, I think another fan model will never work because notebooks are specific products designed for certain series/models only. So you can?t change everything as on desktop computers.

In my opinion you should contact nearest authorized service provider. The guys can replace the fan and order a new one. If your notebook is under warranty, the repair will be for free. :)


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I have attempted to install the Win 10 upgrade, only to find that it has crashed my PC and will not now respond to any commands. Only advise from MS was to create a Bootable USB with relevant ISO files to address this. Unfortunately in the Boot section, option for Boot command from USB is not one of the choices. Any suggestions or will I simply need to find a way to burn a DVD with the files and try to boot from this? Thanks John

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Hello and congratulations on your forum!
My wife's laptop (Win 7 Home Premium) suddenly stopped booting to desktop and only boots to "Startup Repair" no matter what I choose through the Advanced Boot Menu.
Fro the Startup Repair Tool I get this details:
"Startup Repair has tried several times but still cannot determione the cause of the problem."
View problem details:
Problem Signature
Problem Event Name startupRepairOffline
Problem Signature 01: 6.1.7600.16385
Problem Signature 02: 6.1.7600.16385
Problem Signature 03: unknown
Problem Signature 04: 21199476
Problem Signature 05: AutoFailover
Problem Signature 06: 25
Problem Signature 07: corruptfile
OS Version: 6.1.7600.
Locale ID: 1033
I tried several "fixes" but none helps. Before I move to reinstalling Windows is there anything else I could try?
Thank you in advance.

Answer:Windows 7 Laptop suddenly does not boot.

moved to Win 7 from AII...

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I use a Dell Vostro laptop with Windows XP/SP3.

This morning, shortly after an automatic update, I had a system crash while away from the laptop; when I attempted to reboot, I received the following BSOD message:

c0000021a Fatal System Error
The Session Manager Initialization system process terminated unexpectedly with a status of 0xc000026c

I found a suggested repair process involving batch-running a file called "spuninst.txt", but that didn't resolve the problem.

Can anyone point me in the right direction? This seems to be a common problem, but the standard solution hasn't worked for me.

Thanks very much.

Answer:Laptop suddenly won't boot -- running XP w/SP3

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I have a Dell Inspiron 15-3521 running Windows 8.1
All of a sudden (after using it after ca. 1 year) it won't boot the Windows anymore. It says: "Media test failure, check cable" and "No boot device found. Press any key etc"
I actually had a software for checking my hard disk and it once said there was a problem with cables, but I really didn't pay attention to it.
Then I googled the problem and found out there can be something done with Legacy/UEFI booting. So I changed it to the UEFI. First of all "Windows boot manager" doesn't appear in the list and when I turn on the laptop it says twice "checking media [failed]" and tells me to restart the computer.
Can you help me to solve this problem? I have some important data on this hard disk.
P.S I had an unactivated version of Windows. Can this be the reason?

Answer:Laptop suddenly won't boot Windows anymor

Please run the diagnostic test to check the hard drive on the system by following steps below:
1. Power off system
2. Power on system, quickly tap the F12 key continuously until you see Preparing one time boot menu in the top right corner of the screen. In the boot menu, stroll down to Diagnostic and then click it. After quick tests, click on hard drive and then Thorough Test Mode. Report back any error code.

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my laptop crashes shortly after logon window or startup but not in safe mode. I tried sysconfig but didnt get any result. I dont know which program or service is the cause.I reinstalled windows but the problem persists. in one of these crashes I got driver-rql-not-less-or-equal blue I am sending this post in safe mode.I would be grateful if you help me.I attached my dmp files for analysis.thanks.

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So the laptop just suddenly shut down, no warning no nothing and when I try to start it again it doesn't want to boot up. I press the start button, the fan starts to spin for a couple a seconds and then goes silent for a few seconds after that it goes on full speed and I am unable to shutdown the laptop using the button on it, I must remove the power cable to stop it.Got any ideas what the problem might be?

Answer:Laptop shut down suddenly and doesn't boot up

It will just run with the fan at full speed forever I guess but the screen will stay black.

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Two or three things have happened recently that make me believe that i am infected and hence am requesting help in this forum

Last night my laptop shut off all of a sudden - and i mean all of a sudden (did not boot down or warn me) like somebody flicks off a switch and the lights go out. At first I though it was the power but i was well plugged into the electricty socket and i also had battery back up.
This has happened twice before say a month back and three months back respectively but i did not give it a too much thought attributing it to freaky power fluctuation. Further, the time gaps between occurences were far and random
When i rebooted win 7 (64 bit with SP1 and completed up to date) asked me do a startup and system repair whcih i did and after a long wait i got a report saying

Problem Signature 01 6.1.7600.16388
Problem Signature 02 6.1.7600.16388
Problem Signature 03 unknown
Problem Signature 04 21200436
Problem Signature 05 Auto failover
Problem Signature 06 2
Problem Signature 07 Corrupted Acl

I thought that there may be an event log that could throw some light on the sudden shutdown and found a "Unable to start a DCOM Server" error whether connected or not to the shutdown I do not know. the text of this error log is posted below

Log Name: System
Source: Microsoft-Windows-DistributedCOM
Date: 07-03-2012 23:08:16
Event ID: 10001
Task Category: None
Level: Error
Keywords: Classic
User: N/A
Computer: SanjitKeskar-PC
Unable to start a DCOM... Read more

Answer:laptop suddenly shuts off without warning or boot down

There are only about five things that will cause a spontaneous shutdown. Overheating, bad power supply/adapter/powrer source interuption, flaky NIC, motherboard, or very rarely the processor. I'd check to see if it's overheating first and move on from there. Does it feel especially hot? Have you blown out the heatsink and fan area? Is your adapter making a good connection? Will it run on battery alone, is it holding a charge? Does it tend to happen when you are on the internet or accessing a network? The start up repair is normal, since the laptop did not get a chance to shut down properly, so I wouldn't worry about that, although it isn't good for it, of course.

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Wasn't sure where to ask this so it's here in the General category.

I'm looking for a replacement laptop with a few specific requirements. I can get most of them but the last one is proving difficult. So the requirements are:

17" screen with at least 1600 horizontal resolution.
Minimum of 4Gb RAM (8 would be nice)
Run 64-bit Windows 7

and finally, the cruncher:

Supports Intel VT (Virtualization Technology)

I thought the Satellite Pro L550-17U would be OK, but looking at the Intel site, it doesn't seem that the T6570 processor supports VT. And it would have to be supported in the BIOS anyway, and nothing in the spec says it will.

Anybody able to provide any help please? I'd like to stick with Toshiba, as I've had such great reliability from them, but would consider other makes (sorry Toshiba) if that's the only option.


Answer:Suggestions for new laptop - Maybe Satellite Pro L550-17U

Hello Roger

In my opinion most important question is: how much you are ready to pay for new notebook?
Satellite L is OK but don't forget that L Series is, generally speaking, not the best Satellite model.

For which purposes do you need new notebook?

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hello every bady

i hamada in egypt

i talk english Average


i wont please drive copier toshipa studio 16 in windows 7

please please please


Answer:i wont please drive copier toshipa studio 16

Are you looking for drivers?

Drivers | Support | Toshiba Copiers

There are Vista drivers for the e-Studio 16 here. They might work.

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I have a 3 year old Toshiba Sattelite Pro L550-17U (Sept 2010). And it has worked perfectly ok since I bought it.

2 weeks ago, I turned it on, on my coffee table, where it lives 90% of the time, and nothing!!

Black screen, no keyboard lights (Caps/Screen/Num lock). Encouraging disk noise, On light was green, and charge light works when plugged in.

Tried external monitor, still nothing.

Continued by:

Reseating ram
Removing Hard Drive
Pressing F8 fairly rapidly after cold starting
Pressing F2 fairly rapidly after cold starting
Removed power and battery, replaced battery,

When it has been switched on (and looking rather black!). None of the keyboard lights respond (Num/Scroll/Caps Lock)

All to no avail.

Suspected blown motherboard.

I'm a little disappointed. I have only had one other laptop fail on me like this, and it was a 10+ year old travelmate!

Any other ideas?


Message was edited by: ianhadling

Answer:Satellite Pro L550-17U fails to boot up, disk noise only


All you have done is right and these are typical steps that one notebook owner can try to check if this will help. Unfortunately there are no much options to test.
On this virtual way it is not possible to offer exact diagnostic but I also think that there is some serous mainboard problem. BIOS maybe? Who knows?

It is not easy to make decision what to do now. You can contact service and ask for help. They can check it and tell you what is wrong there but if the mainboard must be exchanged it can be pretty expensive.
It is really not easy to give you some good advice.

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I have a Toshiba Satelite L550-1cw that will not start, when i press the power button all the lights on the front edge light up, the fan starts and it looks for a HDD for about 2 seconds and then stops.

I have tried a new HDD but the same happens.
I have been told that the whole thing should be skipped and to buy a new one which is not an option.
I love this laptop and want to get it running again as its the best one that i have ever owned.

Please help


Answer:Satellite L550-1CW does not boot up pressing power button

Can you provide more information about this fault?
Can you see something on the display after pressing the power button?
Can you access the BIOS pressing F2 button immediately after powering up the unit?

Despite all this questions, I think that if nothing is visible on the screen there could be a serious issue with one of the following parts: RAM modules, motherboard, CPU/GPU.

From my experience the RAM memory modules are not very expensive (2nd hand could be good enough) and the replacement isn?t very tricky? in case the faulty memory cause this issue, the notebook could be fixed for a little money.

But in case of motherboard problems, the notebook repair procedure could be very expensive.

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Recently, my HP Pavilion dv6700 Notebook takes quite a long time to boot up. I have gone into msconfig and eliminated a few startup programs but that hasn't helped much. I only notice this problem at startup. Normal operation seems fine.

Here is my HJT log:

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 10:32:34 AM, on 2/20/2010
Platform: Windows Vista SP1 (WinNT 6.00.1905)
MSIE: Internet Explorer v7.00 (7.00.6001.18294)
Boot mode: Normal

Running processes:
C:\Program Files\Synaptics\SynTP\SynTPStart.exe
C:\Program Files\HP\Digital Imaging\bin\HpqSRmon.exe
C:\Program Files\Common Files\Pure Networks Shared\Platform\nmctxth.exe
C:\Program Files\Windows Media Player\wmpnscfg.exe
C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Program Files\Trend Micro\HijackThis\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page =
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page =
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL =
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Defaul... Read more

Answer:Suddenly my laptop takes a long time to boot up ...


The problem is getting much worse. It now takes 4-5 minutes to boot!! I think it has something to do with Windows Security Alerts (that little red shield in the taskbar). When I attempt to turn on the security I get the error message that I've enclosed.


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My name's Joe; tonight my laptop stopped working. Attempts to boot-up could be described as largely unsuccessful. Currently attempting a Start-Up repair; it's been running for about 1.5 hours now. In this post I describe the situation and hope that some altruistic person out there can/will help.

Personal Intro
Just a random 22 year old Canadian Grad student. I'm not particularly adept with computers. When I was growing up, my older brother was always the computer wiz in the house.

Anyways, this is my first post here so I hope I'm posting this in the right subforum.

Introduction to the Problem

I bought this laptop (ASUS U45J) about 1.5 years ago.

Everything has always been fine.

Earlier this evening, however, I dozed off for a few hours on what was supposed to be a 1-hour nap. When I woke up, I found my laptop screen was black; nothing was responsive.

I figured, "okay, no big deal. I guess it just crashed. Doesn't happen often, but whatever. Maybe it has something to do with the massive heat wave lately; and maybe it has something to do with me installing new software and drivers (Logitech Webcam) lately."

First noticing something was amiss...

I attempted to restart my laptop.

It said something about Windows not shutting down properly.

Being impatient, I told the computer to boot up as per usual (i.e., not in safe mode).

No such luck. After a loading screen (not the colourful blue one, but rather a simple monochromatic black and white load... Read more

Answer:Laptop (AsusU45J) suddenly unresponsive; won't boot up; OS undetected

Terribly sorry to bump; it's just that this thread, despite being more thoroughly written than maybe half the other posts, has sunk into obscurity after less than 12 hours and I do find this issue rather distressing. Help would be greatly appreciated. Thanks!

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Please help. I have a Toshiba Satellite L550 laptop with web Camera not working but it did some moths ago--yet the face recognition works the camera so I know that driver camera combination works. I have uninstalled the current driver and reinstalled it and not only the original but supposed updates also..nothing will make the camera application work. I do not think the bios is the problem as I cannot find any references to the webcam in the bios.. Can anyone help please

Answer:Toshiba L550 laptop web Camera not working Win 7 64

When you say "Web camera" are you referring to using the camera online?

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When I start my laptop it hangs on bios startup sequence.
I see lines:
"System BIOS shadowed"
"Video BIOS shadowed"
and need to wait about 3 minutes before it continues to boot.
Then I see next lines:
"Fixed disk 0: FUJITSU MJA2320BH G2"
"Mouse intialized"
And need to wait again about 1 minute before it continues.
No error messages shown. Tried to update BIOS to 1.9 - problem not gone.

Please assist.

Message was edited by: rodygin

Message was edited by: rodygin

Answer:Satellite L550-19U PSLW8E - extremly slow boot sequence

Have you tired to use fast boot?

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Please help! I'm at the end of the rope for my laptop. Here are the specs:

Dell Inspiron 1545
Windows 7 64-bit
Intel Core Duo @ 2.20GHz
4.00 GB

Bought this laptop a year ago, worked perfectly up until around July 2012 when it suddenly failed to boot. Eventually in August it reached the point where I had reformat it using the recovery disks I made a year ago, bringing it back to factory settings.

The disks are NOT the installation disks!

After that it worked fine, until I booted it again on 9/6/12 only to find it completely slow and unresponsive, a window even appeared telling me Windows Explorer was unresponsive, etc., etc. Now it can only boot up to the login screen, but if I try to log on it'll get stuck at the "Welcome" screen. Which brings me to safe mode only. Here's the situation now:

- Virus scan with Microsoft Security Essentials came up with nothing
- Event Viewer gave me hundreds of Service Control Manager errors with Error ID 7001
- I did a disk check, it repaired the bad clusters but the problem still remains

What is going on??? Is it a hard drive failure? It hasn't made any strange noises, in fact it's sounded the same ever since I bought it. The loudest sound it makes is when it turns the fan on.

Even if I can't fix it, can somebody please help tell me what exactly went wrong so I can hopefully avoid it next time?

Answer:Laptop suddenly slow & unresponsive, able to boot only in Safe Mode

Hello Aitalas and welcome to Seven Forums.

Couple of things you could try. Microsoft Security Essentials is good, but no anti-malware product is 100% effective 100% of the time. (If there was such a thing we'd all be using it.) I'd suggest running two additional free on-demand scanners. Malwarebytes can be run in Safe Mode. Windows Defender Offline will be a bootable disc or flash drive that will begin scanning your computer before Windows 7 boots.


Windows Defender Offline

Once the scans are completed I'd try running a system file checker scan from an elevated command prompt (option two, first tutorial.) If any problems are found, run the scan 3 times rebooting in between each scan. The scan can be run from Safe Mode or in a command prompt at boot.

System File Checker

SFC /SCANNOW : Run in Command Prompt at Boot

If boot issue is still unresolved, one of the Forum experts prepared two troubleshooting tutorials that may help.

Troubleshooting Windows 7 Failure to Boot

Troubleshooting Steps for Windows 7

Please post back if anything helped or not.

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Back for more and, as always, a hearty thanks to anyone willing to give of their time. For the last several months I've been running a dual boot configuration--XP Professional and Windows 7 Home Premium managed by GAG Boot Manager--on my HP Pavilion dv4 2040us with no problems. I mostly use Win 7, but roughly twice a week I'll boot into XP Pro to utilize a legacy app or just to update my anti-virus. Yesterday, 4 days since my last visit, I booted into XP Pro and was, for no reason that I can figure, confronted with the classic "We apologize for the inconvenience . . ." screen that asks if I want to start Windows normally or use the last known good configuration or start in Safe Mode or a few other options. Given that 4 days ago I booted into the XP partition with no problems I chose "Start Windows normally." However, after entering the splash screen, the dots moved across the bar below the logo for 3 complete cycles then, half-way through the forth cycle, the screen went black then reset to the Power-On password request (I have the "Power-On" password set to yes in the BIOS, so I receive this request every time I power-up). Also, it's exactly the same if I choose any of the other options, Safe Mode, last known good configuration, etc.: 3 cycles of dots then half-way through the forth cycle it resets to the Power-On password request. My last successful use of the XP partition went smoothly, and in the 4 days between visits to th... Read more

Answer:Suddenly Can't Boot XP Partition Of Dual-Boot Configuration

Bleeping Computer DOES NOT recommend the use of registry cleaners/optimizers for several reasons:? Registry cleaners are extremely powerful applications that can damage the registry by using aggressive cleaning routines and cause your computer to become unbootable.The Windows registry is a central repository (database) for storing configuration data, user settings and machine-dependent settings, and options for the operating system. It contains information and settings for all hardware, software, users, and preferences. Whenever a user makes changes to settings, file associations, system policies, or installed software, the changes are reflected and stored in this repository. The registry is a crucial component because it is where Windows "remembers" all this information, how it works together, how Windows boots the system and what files it uses when it does. The registry is also a vulnerable subsystem, in that relatively small changes done incorrectly can render the system inoperable. For a more detailed explanation, read Demystifying the Windows Registry.? Not all registry cleaners are created equal. There are a number of them available but they do not all work entirely the same way. Each vendor uses different criteria as to what constitutes a "bad entry". One cleaner may find entries on your system that will not cause problems when removed, another may not find the same entries, and still another may want to remove entries required for a program to ... Read more

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Hello ...
I have had a Toshiba C850-A965 laptop for 4 years
and it's been working perfectly
untill one day recently, a message poped up saying that there's something wrong with the battery and should be replaced, but it was still the same, works for an hour and a half approximately
But, I went ahead and bought a new battery, the message disappeared
and i fully charged and then started the laptop
it worked for about 15 mins and then it shut down ( like u took the plug off from a desktop computer) without any warning
when i turned it back on, it was still fully charged !!! and the shutting down happend again and again :(
the old battery is still working fine
so that must mean that there's nth wrong with my laptop right? and the battery is bad?
please give me your opinions
thank you for your precious time

Answer:laptop battery problem, laptop shut down suddenly

Could still be a faulty battery. It can read the correct voltage off load, but as soon as you put a load on it, it takes a dive. The battery status symbol is just that, a symbol. The only foolproof method of proving it is to replace it with a known good battery. Do you have any good friends with a similar laptop ?

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I was just using my PC and suddenly got a BSOD coded 'BAD_POOL_CALLER'. The PC restarted itself and wouldn't boot up anymore.
It goes through the Windows loading screen, shows a black screen then a blue screen :

Then :

Then stuck in this for a while :

Then another black screen and restart.

The PC starts normally in Safe Mode. I tried Startup Repair(obviously) and even System Restored to a working state. Then I uninstalled my GPU driver with DDU as an attempt to see if the GPU was the problem(cuz nothing else could be).

Now the only thing left is to clean install the Windows which I want to avoid totally if possible. Cuz II've tons of software & customization installed and it'd take a long, boring time to do them again.

Answer:PC won't boot up suddenly

Progressed to black desktop with the taskbar(only) and moving 'loading icon' cursor. Been stuck in that for a while.

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Hello, thanks in advance for your help.

I've had Win 7 installed and running for over 6 months now on a PC. This morning I awoke to find it at a System Restore page I've never seen before. It give me 2 options of trying to find the problem automatically (which gets nowhere) or manually. Then it allows me to try and perform a System Recovery through a backup, but that gives another error message. I've tried all the options that the screen gives me, to no avail. With one exception - it let's me choose the OS I am trying to boot, but there is nothing in the list to choose from. There is an option to "Load Drivers" which takes me to the System32 folder to select a driver(s). I don't know what to choose here?

I have no idea what caused this, I've installed no new hardware componets nor software that I can think of... It worked last night before going to sleep, and this morning nothing. I have had no problems in 6 months whatsoever, and the machine runs 24/7.


Answer:Help? Can't boot suddenly...

Quote: Originally Posted by scope11

Hello, thanks in advance for your help.

I've had Win 7 installed and running for over 6 months now on a PC. This morning I awoke to find it at a System Restore page I've never seen before. It give me 2 options of trying to find the problem automatically (which gets nowhere) or manually. Then it allows me to try and perform a System Recovery through a backup, but that gives another error message. I've tried all the options that the screen gives me, to no avail. With one exception - it let's me choose the OS I am trying to boot, but there is nothing in the list to choose from. There is an option to "Load Drivers" which takes me to the System32 folder to select a driver(s). I don't know what to choose here?

I have no idea what caused this, I've installed no new hardware componets nor software that I can think of... It worked last night before going to sleep, and this morning nothing. I have had no problems in 6 months whatsoever, and the machine runs 24/7.


Can you boot into safe mode (F8)?

Do you have a backup to restore from if you can reach it?

Do you have a win 7 dvd to do a repair install?

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In May I built a new computer- Specs as follows:
QX6700 Quad Core cpu, EVGA 650i mobo, 8800 GT videocard
2GB 6400 DDR2 RAM, Seagate 250 GB SATA hdd
(2) DVD RW decks
Scanned with AdAware, Sbybot S&D, Windows Defender, AVG
XP pro

It ran beautifully until a couple weeks ago. It powered up ok but stopped at the black screen that lists some specs, "hit Delete to enter BIOS, ESC to enter boot menu" etc. I thought it may be the harddrive so I bought a new one, installed XP again and it was fine for a few days then did the same thing. I tried plugging it in a different SATA port on the mobo and it was fine for awhile then repeated the same behaviour. I replaced the mobo battery too because I noticed if it was unplugged/moved it reverted to the original BIOS date/time. It seems fine for awhile then repeats the behaviour. I formatted the original hdd and it's just blank but installed. (I saved a picture in a folder on it to see if it works) All drives are listed properly in MyComputer, no yellow ? or ! marks in Device Manager.
It's in an air conditioned room at approx. 73F and doesn't appear to have overheating problems, lots of free space around it and fans all running fine. NOw here's the kicker:
When it refused to boot up, I plugged in my standby (new refurb) emachine and it did exactly the same thing, wouldn't boot for about 20 minutes. It always started very fast. Could this be a virus of some kind? I was ready to blame the mobo in the new ... Read more

Answer:XP suddenly won't boot

If you can, boot the computer in safe mode. Click start>run>type eventvwr.msc Click ok or press enter. Look at the event viewer for any errors. Goto start>run>cmd press enter or click ok. Type chkdsk c: /f /r /x It will ask you run the scan on reboot. Select yes and report the findings.

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Hey-yo all. I got a little dilemma--last Thursday my system's working fine, nothing wrong, and I shutdown. I come back last night and turn on my system, and Windows doesn't boot anymore. It gets to the splash screen where the green loading bar moves (to show it's loading), but now this screen stays on for nearly three or four times as long as it normally would, and when it finally does finish and move to the next screen, it stays black, and after a few seconds a brief BSOD flashes and the system reboots (this isn't up long enough to read anything other than to see a BSOD).

I've tried booting in all the safemode modes but it does the same thing no matter what. I can't find my installation CD anywhere (I think I put it somewhere specific so I'd always know where it is... and forgot that specific place), which is probably what would help the most. One of the safemode options was to check the integrity of the hard drive using something like a "Windows kernel" and that said there were no errors.

I'm not sure what could've happened considering the system went from perfectly fine to a dud without anything more than a shutdown. Any tips for figuring out a solution? It's nice this had to happen when all my term papers were coming up for being due

Answer:XP sp3 suddenly does not boot


It might help knowing what the BSOD message says.
To stop the PC from restarting after throwing the BSOD restart the PC then press F8 to go into the Windows diagnostic startup menu and select Disable automatic restart on system failure. Boot the PC normally and it should stop when the BSOD is thrown.

Let us know what it says.
(Usually the message is something like IRQL_NOT_LESS_OR_EQUAL or it gives a file name that is causing the BSOD.)

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I turned on my comp this evening and was greeted with a non working state. The power light on the motherboard is on. When I hit the power button, the hard drive light and front power light comes on, all fans including power supply fan and video card fan come on. Both cd rom drive lights come on like normal, and then the cd drives act like they are trying to read a disk( can faintly hear them spinning). When I hit eject, one drive pops out a bit then goes right back in. The other one won't do anything. Their lights just blink on and off. I tried unplugging each one , but it did not help. This is all the comp does, nothing else, no beeps, no bios, nothing. No signal to the monitor either. I did try to use a boot floppy, but the comp does not get far enough to even atempt to access the floppy. I left it like this for some time, but no change. If I hold in the power button, the comp will shut off normally. Anyone have any thoughts on this ? I'm lucky to have an old spare that I was able to get back on the net. If anyone has anthing at all please let me know. Thanks.


Answer:Computer suddenly won't boot up.

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I have a Windows 8 Pro x64 and yesterday it was working fine... Now, I turn it on, the dots go around in circles for a long while and then the screen just turns off. After a few reboots, it goes into automatic repair and I'm stuck in a loop.

I haven't done any software changes or hardware changes so I'm completely confused.

Answer:Computer suddenly won't boot

Disconnect all USB devices and try to boot a couple of times..

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At midnight my AVG (free version) started running its

daily scan and I went to sleep. In the morning, I

went to my pc to power it down and noticed an error

which I should have written down exactly but it

resembles this: "Cannot create file D:\$n"

Explorer was visible and everything _looked_ fine, but

I was unable to activate "My Computer" and I also

could not reboot from Explorer... both functions

simply timed out.

I forced a power off by holding down the power button.

When I tried to reboot, I got past the BIOS but after

that windows never loaded. I observed that all the

hard drive lights were on, and the green monitor light

was on, but nothing more. I did not hear any unusual

sounds from the hard drives. I'm running XP SP2, if other details are need I can of course provide them.

If anyone has any ideas how to troubleshoot this I'd

much appreciate it!

Answer:suddenly can't boot up - HD issue?

Place Operating system disk in, boot off of it, goto install windows, it will detect a previous version, select repair install.

Oh and please don't space your sentences out so much..

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The Ideapad Y530 I bought in September 2008 just suddenly stopped working. I think it's a corrupt hard drive, but how can I be sure? I woke up and found my laptop to be just a black screen. The one key recovery button did not work, and i tried just installing vista again from a DVD, but it would not work. I just get a BSOD when it goes to load for the first time. I found that all of my program files were deleted, and then in anger/fatigue I accidentally formatted everything. Anyway, I think it's either the hard drive or the video card. How can I find out for sure? Also, I need someone to send me my Windows Vista serial key, because I don't have it anymore (it faded from the sticker), so I guess that one Lenovo representative that is on these forums would have to contact me to verify my identity? Thanks in advance.

Answer:Y530 will suddenly not boot, what now?

for serial number you need to call lenovo support line.for the blank screen, one of your ram sticks, maybe both may be dead, to make sure, remove one of them and try to start-up your computer. if it doesn't work, remove another one and reseat the first one you removed. it's probably ram issue.

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I just was using my PC (Windows 7), was onthe way to uninstall Chrome add-ons and suddenly I got Blue Screen, computer rebooted and now I got this messsage instead:
"Reboot and Select proper Boot device or Insert Boot Media in Selected Boot Device and press a key"

I have 3 HDD's in PC

One is partitioned C: (Windows 7 partition) D:
Another one is F: (Physical HDD)
and one more G: (Physical HDD)

When i put in Windows 7 DVD I can see this
When I go to BIOS I see this

Please can someone help me. I have no idea whats happening ????

Answer:Windows 7 Suddenly Won't Boot

BIOS only shows 1 SATA drive. Are the other two drives also SATA or are they PATA (IDE)?

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Computer was running fine, I left it and when I came back the screensaver was running as normal. When I started to use the pc, it was frozen. The cursor would move, but when I clicked nothing would happen. Tried CAD to bring up task manager, but nothing happened.

I ended up having to turn computer off manually with on/off switch. Upon reboot I immediately noticed strange lines displayed onscreen as pc booted. When it gets to a certain point, the boot up process freezes, then shuts down.

I am able to boot in safe mode.

As the pc tries to boot, I notice that the graphics are distorted.

I have run virus/spyware scans and nothing shows up. (I'm always scanning for this stuff: Norton 360, Spyware Detector, Webroot, Spybot, System Cleaner)

Up until this happened, I noticed nothing in the use of the computer indicating any problems.


Source: Userenv
Windows cannot query DllName registry entry for {7B849A69-220F-451E-B3FE-2CB811AF94AE} and it will not be loaded. This is most likely caused by a faulty registration.

Windows cannot query DllName registry entry for {CF7639F3-ABA2-41DB-97F2-81E2C5DBFC5D} and it will not be loaded. This is most likely caused by a faulty registration.Click to expand...

Any troubleshooting tips would be greatly appreciated, thanks!

Answer:Solved: XP Suddenly Won't Boot

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Recently I bought myself a new PC. Intel Core i7 920 processor, Asus P6T WS Professional m/b, Intel X25-M SSD as system drive, Win XP32, etc. It started out lovely, and it is still lovely once it has started up, but a couple of days ago it suddenly booted a lot slower than before. All I have done is to install MS Office 2007 and I have let MS update my system with numerous patches lately.

My boot process looks like this:
1. First I see the BIOS "screen splash", and it hangs around the same period of time as before.

2. A long period (5-10 seconds) of black screen

3. The XP logo on a black background for several seconds

4. Another period of black screen

5. The blue screen saying "Welcome"

6. Finally, the desktop appears

I guess there is not much to do about step 1 and that has not changed since I first started the machine

Step 2 and 4 is weird. What happens here? Why black screen for so long? This was not there from the start but has begun after MS Office and major MS patch update.

The time for step 3 has also lengthened since MS Office/major patch update enterred the scene. Why?!

Step 5 used to be visible for about 0.5-1 sec (remember I use Intel SSD as system disk), now it is visible a lot longer, 5-10 seconds.

Once the desktop appears everything seems to be back to normal, real fast , behaviour. I can't see or feel any differences once I start working, so I doubt it could be some sort of degradation of SSD performance, ... Read more

Answer:Suddenly XP boot is sloooow

Please post a screenshot of your startup programs by clicking start run and type msconfig in the open box, click the startup tab and post a screenshot of that.

How to post a screenshot

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It had been sitting (off) for months. I found a use for it and booted it up. Couldn't get online, so I fooled with net connections, Now all of a sudden it won't boot up, either in normal mode or safe mode; I get a window saying, 'control, alt, delete', then enter password. I have no idea what the password is. NOTHING happens except the window described above. Please help.

Answer:xp comp suddenly won't boot up.

You posted this same problems 2 days ago.

There's no need to post it again.


You're the only person that knows what you did, so you need to tell us what you did that caused your computer to stop booting up.

What brand name and model name and model number is your computer?


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I would like to ask computer expert here, look at what‘s the problem? how to solve it? I have asked someone else, Nobody knows
So I've been running Windows Server Techincal Preview 2 and had it installed on a 240 GB Crucial SSD. A couple of days ago I ran Windows UPdate from the Sconfig option 6 and downloaded and installed the updates that it found. It said a reboot was required and I clicked OK to reboot. So it rebooted and then upon it trying to boot up again I started getting winload.efi not found errors and BSOD. Further investigation using 3rd party partitioning programs show that my previously formatted GPT disk is now listed as basic MBR disk. What would have done that? All the data is the same and the partitions themselves are the same. I used one of the guides here on Technet to initially setup and format the disk to the 4 partition (1 including hidden MSR partition). Format style was as such:
EFI partition-fat32 (Hidden)
MSR partition -"other"(Hidden
Windows partition- ntfs
Recovery -ntfs
diskpart and 3rd party programs don't show the MSR so it looks like only 3 partitions.
But with everything still the same, how the heck did it just convert to MBR disk?
A similar issue is noticed as well. I use the EASEUS partition master server edition program which includes ability to make a bootable PE disk. When I boot to that disk I am also seeing a 1MB unallocated partition showing on my disks. It is also affecting a couple of Basic MBR disks as well ... Read more

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Windows 7. This is my work computer, and I do not use it for anything else. No downloading, no email...just accessing a virtual workspace. At the end of my last shift it it was fine.

I always restart the computer at the end of my shift to make sure that any updates get installed. But today when I went to wake it up, it gets to the Windows screen then just shuts down.

System Restore did not fix it, but I I can boot into Safe Mode, and I can boot into Safe Mode with Networking.

When I go into Event Viewer, I see lots of Red and a Yellow. This isn't all of them.

The DHCP Client service depends on the Ancillary Function Driver for Winsock service which failed to start because of the following error: A device attached to the system is not functioning.Click to expand...

The DNS Client service depends on the NetIO Legacy TDI Support Driver service which failed to start because of the following error: A device attached to the system is not functioning.Click to expand...

The TCP/IP NetBIOS Helper service depends on the Ancillary Function Driver for Winsock service which failed to start because of the following error: A device attached to the system is not functioning.Click to expand...

The Network Store Interface Service service depends on the NSI proxy service driver. service which failed to start because of the following error: A device attached to the system is not functioningClick to expand...

The... Read more

Answer:Windows 7 Suddenly Will Not Boot

I figured something out. There are 2 USB ports on the front of the computer. One is marked SS. That one stopped working a couple of weeks ago, but my headset was still plugged into it. Now if I unplug the headset, the computer boots.

Is this a driver issue? If it is, how can I fix it? And if it is a MB slowly dying, its still in warranty, so .....

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I've got two computers in my room, sharing a wireless router. One is a desktop and is connected via ethernet cable to the router. The other is a laptop and connected wirelessly. I had a little trouble with the settings on both computers, but I got them up and running and they've been fine since.

Now, on to the problem. Today, for reasons as yet unexplained, the router lost connection. This happens occasionally and is usually solved with a restart of the router (turn off and on again). This seemed to work; it worked for the laptop but the desktop still couldn't open any webpages or RSS feeds.

I decided to restart the computer and see if that solved anything. Restarted it, and now the computer doesn't boot. I get the motherboard logo appearing and the POST screen - showing the RAM checks and the other scrolling information. After that, the computer restarts.

I haven't got a clue what would cause this; I haven't added any new software or installed/downloaded anything that could have potentially harmed the computer either.

I haven't got any recovery discs for this computer either; it's a few years old and I've upgraded some parts.

Ideally I want to be able to simply fix this situation, but I've been thinking about upgrading the HDD and possibly the OS so if that has to be done then I'm not against it. I just need to access some of the files I've got on there this week so what's the best way of getting that done... Read more

Answer:Computer suddenly won't boot

once ive taken a pc apart and put back togetrher because the same thing was happening to me
also try moving the ram to another slot or swaping with another dimm

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Charging light and power light will both turn on, as well as the DVD drive. Fan comes on momentarily, but quickly turns off before it can even speed up all the way. Nothing else will happen. Screen will not turn on, and wifi and other light(hard drive maybe?) will not turn on. Have tried power dump, unplugging amd removing battery, pressing power key for 30 seconds, and removing and replacing memory cards, no change. Any suggestions?

Answer:Z565 suddenly will not boot

Dear Hviland
Welcome in lenovo community 
Please contact the below support for more help


Did someone help you today? Press the star on the left to thank them with a Kudo!If you find a post helpful and it answers your question, please mark it as an "Accepted Solution"! This will help the rest of the Community with similar issues identify the verified solution and benefit from it.Follow @LenovoForums on Twitter!

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hey guys

I've got a new cpu that I just built in january. initially it gave me some problems but I managed to sort that out, and it worked fine for about 3 months. however last weekand recently I've started to get new problems.

when I switch o the cpu, sometimes it works fine. more often than not, it will freeze up on me. there are 3 scenarios when this happens:

first, it will go to the loading screen ( the one with your motherboard manufacturer and model with alll the pretty pictures and such) next, one of 3 things will happen:

1) it freezes there and I wait really long and nothing happens.
2) it will go next to a black screen which says: select proper boot device and re-bbot the computer.
3) it will go to a black screen and say: a disk read error occured. press ctrl-alt-delete to restart.

if 1) occurs, after about 5 minutesit will go to a black screen which tells me all my comp specs etc etc etc such as processor, RAM frequency, etc etc. at the end part something catches my attention : it says 3rd slave harddisk S.M.A.R.T failed. I have no idea what that means.

If however, the computer boots fine, one of 2 things cna happen- it works alright and is perfectly fine OR it hangs halfway through whatever thing I'm doing. so far I have even seen one blue screen .

I think that this is a hard-disk related problem, and has probrably nothing to do with the operating system. what is puzzling is that if it's a hard disk problem it should fail to boot all t... Read more

Answer:new cpu suddenly unable to boot! help!

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I recently bought a new computer, part by part. This is the first time i've done this, so I was expecting some problems, but now i'm thoroughly confused.

After installing 64bit XP and all of my drivers onto my computer, i started updating my windows installation. After multiple reboots, eventually i was given a not so friendly message: DISK BOOT FAILURE. this was after having had windows running for less than 24 hours. I was told to put my windows CD into the drive and click enter.. this booted my windows the first time i tried, and failed to help me on subsequent tries, as it tried to have me reinstall windows. So, i reinstalled windows, and after installing some more drivers and a few reboots, i got a disk boot failure again.

Refusing to give up so easily, i figured maybe there was something with my brand new hardisk. I mean, the two ram sticks i had bought originally had been defect, so i had had to replace them, so why not my harddisk too? Luckily, i had another older harddisk that i installed windows onto. Eventually it ran into the DISK BOOT FAILURE too. Also while I had XP running, i was unable to drag and drop (doubt this matters, but who knows)
My computer setup is as follows:

mobo: GIGABYTE GA-Q35M-S2 (built in lan- and sound-card)
cpu: INTEL Core 2 Duo E6850 3.0GHz
ram: CORSAIR TWIN2X 6400C5DHX DDR2 (2x2gig ramsticks)
gpu: EVGA GeForce 8800GT 512MB GDDR3

my tower had an inbuilt power supply (AOPEN H600B 400W Midi-tower). My hardisc is this SeaGate ... Read more

Answer:Suddenly unable to boot

This could be because:

1: Your HDD has had it and needs replacing
2: It is trying to boot from another source, i.e. printer with memory card slots
3: A Memory card / usb stick which is in your PC.

It can be a number of things

Try these things first:

1: Check in BIOS and make sure the HDD IS detected
2: Make sure the boot order seems OK, make sure the HDD is set to first boot device as a simple check.
3: Make sure no peripherals are pluggged in, i.e. printer (to rule out any 3rd booting options)

Also can you try a normal winxp disk and not 64bit?

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So upon turning on my machine today, which is usually fine, always kept updated etc, I have an error "reboot and select proper boot device"

Attached is an image of diskpart, which seems to suggest all volumes are "healthy", but windows start up repair can't find any fixes, and no devices can be found when looking for system restore points when booting from a usb. I would like to avoid wiping the drive if at all possible, but can't find a way to perform an "in place upgrade" without being able to boot first. This is one of a few drives on my machine, which also have applications installed on them, if that is useful info. Also it is a Samsung evo 240 ssd

Many thanks


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Question: Suddenly Slow boot


Out of nowhere my Laptop has started loading bios to finishing startup in about 15 - 20 minutes - excruciatingly slow! Up until this point it only took 3 minutes.

It literally came out of nowhere - I had encountered no problems that I could tell, especially concerning running speed, and have not installed any new programs.

There is no error message - the process is literally the same as a normal startup except unbearably slower!!

Once the system has finished loading, all programs seem to start/work as normal but sometimes with a delay in first starting up.

I'm running XP Service Pack 2, Intel Celeron M 1.7GHz processor, 1.37GB RAM.


(Sorry this isn't a bump - just wanted to say I have a feeling that it might be my hard drive that's dying... could anyone give their opinion as to if I might be right?)

Answer:Suddenly Slow boot

Hi .You can run a diagnostic on the hard drive. These tools are available at the respective websites of hard drive manufacturers. You should download and use the proper diagnostic for your drive.Hard Drive Installation and Diagnostic Tools - Since the system boots, I suggest that you consider running a series of scans for malware, once it boots. The fact that SP3 isn't installed indicates the possibility of your system being vulnerable to malware items which have been counteracted (at least, in part) by critical updates issued since SP2.Those persons that devise malware...don't stop just because users have SP2 installed. SP2 debuted over 6 years ago and there have new methods of attacking a system devised since then...which won't necessarily be overcome by having SP2 installed.I suggest that you try a couple of these free online scanners to see if anything has slipped by your protection:(Be advised that some of these scanners will pickup things in "quarantine" from other anti-virus programs - so review the results carefully) Read more

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I just switched to ATT dsl from comcast cable and after the install the win firewall warning appears and cannot access firewall setting screen and internet explorer will not load but google chrome will cannot access bitdefender but Maleware works. then have very slow or incomplete shut down...But if computer left on for 1-2 hrs win firewall show up and IE works I Think something in the security profile somehow changed ..all suggestions welcome !!THANKS l

Answer:XP sp3 firewall suddenly off on boot

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This started a couple of days ago. I have a Packard Bell, 2.80 GHz, 512 MB RAM, running Windows XP. I bought it around 18 months ago.

Here's the problem. A couple of days ago the printer reported a communications failure with the computer. All the cables were seated OK so I shut down Windows and restarted to see if that would help. The computer wouldn't boot. Puzzled, I switched off and then I noticed that the side of the laptop was very warm. Checking underneath I found that the area above the battery cover was very, very hot, and this heat was radiating to other areas.

I unplugged everything and left the laptop to cool down. After 30 minutes or so I tried again and this time it booted fine and ran smoothly. However, after around 40 minutes the same area as before had become very, very hot again. Worried, I shut the thing down again.

I have a couple of questions. Firstly, would a cooling device (I'm thinking of one of those pads on which a laptop sits to keep it cold), would such a device help?

Secondly, as the heat is centered on the battery area would removing the batteries be a solution? (The laptop is used on a tabletop at home almost exclusively and I operate it on mains power almost all the time.)

Thirdly, could it be a fan problem? I can hear the fans whirring occasionally, and looking through the vent I can't see any obvious signs of dirt, fluff, etc.

Any help would be greatly appreciated.

Answer:Laptop suddenly getting very hot

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Okay, so I was programming on my PC, then I decided to shut it off and go take a shower. After I got out of the shower, I remembered that I needed to sync my iPhone, so I pressed to power button. The front led and fans lit up for under a second and the computer failed to power on. I do not know what happened, so I tried it a couple of more times... Bad mistake? So I read online that it could have been the PSU, but it has worked fine for the past 1 1/2 years, and the new parts I just bought and put together worked fine for the 30 days that I had them.

Sometime during this frustration, I read that the PSU has a 115 and a 230 red switch on the back of it. Not knowing what that really did, I switched it up to 230... The PC then turned on, but the power had always been on 115, so how could this have happened...

Now the worst part, the POST failed at the CPU. I have an ASUS motherboard which has leds all over it to tell you what component is being tested. I thought the CPU was getting overloaded with power, so I just turned it off and then tried another technique. Plug 8-pin connector into the CPU spot on the motherboard... Did not work. So I reverted back to everything (230 to 115, 4-pin connector) and just turned left the computer off for about 5 hours.

When I arrived home, I decided to give it one last shot before I claimed that it was a bad part. Guess what, it turned on and passed the POST and booted Windows, so now here I am posting this thread.

Can someone plea... Read more

Answer:PC Boot-up Problems... Suddenly Fixed Itself?

How can anyone possibly explain what has happened when we don't have a clue as to what your system specs are, what version of Windows you use, what programs you use, of you have an infection or not and so on.

You give us this information and expect an explination as to why it happened? You would be better off asking about super string theory.

Sorry but no way anyone on the planet could possibly explain it. The best we can say is that the machine was hot and needed cool down time. Maybe the PSU reset itself. We don't know and can't possibly know.

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Well, I've got my father's Compaq CQ58 running on Windows 10 with me now since out of the blue it just does not want to boot at all. No matter how much I press the turn on button, absolutely nothing happens. It is connected to a working plug, and even then although it has a battery it doesn't start up. There have been no thunderstorms or something of the like to fry it so I am absolutely befuddled to what is happening. It supposedly worked earlier today.

Answer:W10 Compaq CQ58 suddenly does not want to boot.

Aaand out of nothing it's working again, started on battery too. I don't know what was the issue...

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This weekend, I bought and installed a new SSD into my computer. I re-installed my Windows 7 (Home Premium x64 OEM) onto it, (fresh install, no migrate) and immediately formatted my mechanical HDD.

I went into my BIOS and changed boot priority. I also changed BIOS Drive positions, with my SSD as #1 and HDD as #2.

As soon as I got Windows installed, I started re-installing programs, setting up my admin account, and generally resetting my system, theme, Rainmeter, etc.

During boot, I get a message that asks me to choose OS - Windows 7, or Windows 7. It starts a 30s timer, then chooses the highlighted option and boots normally.

Then I started getting messages that I wasn?t running Genuine Windows. I clicked the ?Resolve Online? button, and downloaded the authenticator software, which told me I needed to buy a copy of Windows.
This irritated me, because I am running a key I bought legitimately, and I have the packaging and CoA.
I called MS Tech Support. I spoke with a very helpful gentleman. He checked out my product key. He had me activate my product, which I hadn?t done on my new install yet, and I got a ?Genuine? tag to appear under the Windows Experience Rating in ?My Computer>Properties?. He said I was good to go.

Now, 48hrs later, I?m getting the "Not Genuine" message again. I have a screenshot of Windows claiming to be Genuine and Not Genuine at the same time. (See Attached photo.) I have installed a lot of updates since my re-inst... Read more

Answer:NEW SSD, Boot Error, Suddenly not genuine.

Windows Genuine and Activation Issue Posting Instructions

Post a full / unedited WGA report, so the geeks can take a look at it and see whats going on.

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It had been sitting (off) for months. I found a use for it and booted it up. Couldn't get online, so I fooled with net connections, Now all of a sudden it won't boot up, either in normal mode or safe mode; I get a window saying, 'control, alt, delete', then enter password. I have no idea what the password is. NOTHING happens except the window described above.

Thanks for your help,


PS: couldn't get TSG, because the affected comp won't turn on.

Answer:Solved: xp comp suddenly won't boot up.

You're the only person that knows what you did, so you need to tell us what you did that caused your computer to stop booting up.

What brand name and model name and model number is your computer?


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This morning when I booted up Windows XP Pro on my dual OS PC instead of the usual 2 minutes it took almost 10! It gets to the XP Logo window with the little train of dots running across the bottom, but the dots are now continually stopping and starting. When it eventually was running I tried again with same result. Itried the other OS, XP Home,and there was no problem.I then tried it a couple of more times and as the problem continued I did a System Restore to the middle of last week, when all was running OK. Still it was taking almost 10 minutes.Lastly I tried an Acronis True Image restoration of my C drive as it was a whole month ago. But still my problem persists.Anyone got any clues please ?

Answer:Suddenly boot-up is taking 10 minutes !

Have a look at Event Viewer in both OSs, there might be a clue there.Or you've 'caught' something.

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I'm new to these forums and I'm not sure I'm posting this in the right section, but I hope someone could help me out. Here are the specs for my computer: Asus Rampage IV Extreme motherboardIntel i7 4930k CPU16gb G Skill RamEVGA Geforce 980 Ti GPU500gb SSD3tb HDD4tb HDD 1000 Watt Seasonic Platinum Power Supply  I've been running this setup for several years now with no real problems. Several days ago, I noticed that my computer would randomly crash and restart.  I'd turn it on and it would boot just fine.  But after about 15 to 20 minutes, it would be like the power was cut off for a second, then would come back on and the computer would boot up again.  No error screens or anything. What I figured was the problem is that the power supply had a pin or two that was disconnected from the CPU power connector, so the power was insufficient.  I checked all the connections and made sure all the pins were making contact.  I've had that happen before that the motherboard wasn't getting sufficient power because of pins that had come out of the connector. But what's happening now is that the computer won't boot at all.  The motherboard has lights that light up when the power supply is connected, but when I press the power button, nothing happens.  I hear a clicking sound but the computer doesn't boot at all, even though the lights on the motherboard are on. So... Read more

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This problem started after I changed out the cpu hsf. I really don't know if it's related to me changing out the hsf or not. After the evga splash screen and the other screen that shows the irq assignments, my system "hangs" for atleast a few minutes, shows a blank screen, before the windows splash screen will show. This lasts for atleast 3-4 minutes. Before, the windows splash screen will show right after the screen showing irg assignments.

So far I've tried defragging, scan disk, and fixmbr. Nothing seems to work. I've tried to clear the cmos and restoring the system to an earlier checkpoint and that doesn't seem to work either. I've tried reseating the memory modules and the cpu, but my cpu seems to be stuck to my board. Only thing else I can think of is that maybe my windows file has been corrupted and that I should reinstall. If anyone has any input, please help. Thanks.

My specs
x2 4800
seasonic s12 600
evga 6200tc
evga sli mobo

Answer:Suddenly slow boot times

I don't know if this helps but I just had a very similar problem.
Windows would "hang" for about 20 seconds right after ' Verifying dmi pool data' and before the windows splash screen. It just showed a blank screen for a while.

I noticed that if I hit the Delete key a couple of times during that Pool Data message, the system would continue to boot right away. Try it.

I'm pretty sure it has to do with incorrect drive assignments.

This solved it for me: Disconnect all your drives (including any usb drives or card readers) and reboot, go into your bios and save changes then shut down. Now just connect the drive containing your windows installation and go to your bios again save changes and startup windows. The problem should be gone now, on the next reboot connect another drive and so on

Good luck!

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hey guys

I've got a new cpu that I just built in january. initially it gave me some problems but I managed to sort that out, and it worked fine for about 3 months. however last weekand recently I've started to get new problems.

when I switch o the cpu, sometimes it works fine. more often than not, it will freeze up on me. there are 3 scenarios when this happens:

first, it will go to the loading screen ( the one with your motherboard manufacturer and model with alll the pretty pictures and such) next, one of 3 things will happen:

1) it freezes there and I wait really long and nothing happens.
2) it will go next to a black screen which says: select proper boot device and re-bbot the computer.
3) it will go to a black screen and say: a disk read error occured. press ctrl-alt-delete to restart.

if 1) occurs, after about 5 minutesit will go to a black screen which tells me all my comp specs etc etc etc such as processor, RAM frequency, etc etc. at the end part something catches my attention : it says 3rd slave harddisk S.M.A.R.T failed. I have no idea what that means.

If however, the computer boots fine, one of 2 things cna happen- it works alright and is perfectly fine OR it hangs halfway through whatever thing I'm doing. so far I have even seen one blue screen .

I think that this is a hard-disk related problem, and has probrably nothing to do with the operating system. what is puzzling is that if it's a hard disk problem it should fail to boot all t... Read more

Answer:New computer suddenly unable to boot! help!

Have you checked all connections to make sure they are really secure?

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I have a Gateway GT5028 desktop computer with 2GB ram and a GeForce 8600 GT graphics card with Windows XP.

For some reason, my computer suddenly started booting up with no display whatsoever. The computer would start normally (fans, beeps ect...) but there would be no display on my monitor. It would say something like "check signal cable" as if there's no connection whatsoever. I've had my current graphics card for approximately 2 months with no previous issues.

I removed the graphics card and it booted fine while the monitor was connected to the onboard graphics card. However, I shut down the computer and found that it wouldn't boot second time. There's a blue light on the power button on the computer. When I pressed the power button, the little blue light came on and nothing else. No fans, no beeps, complete silence.

I've actually had this EXACT SAME problem once in the past and it was suggested to me (by a member of this forum) to remove the RAM sticks one by one to see if the computer would boot. Last time, the removal of a rogue RAM stick seemed to fix the problem.

My computer has 512 MB x4 RAM. I tried removing the RAM again one by one. I found that once two of four pieces were removed, the computer booted (without the graphics card in). I shut down the computer and tried booting again. It hasn't booted since.

Everytime I hit the power button, the little light comes on but no fans, no display or anything. It seems t... Read more

Answer:Computer Suddenly Won't Boot - Out of Ideas

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Hi Guys, Recently my pc has taken forever to boot up. A black screen hangs there for about 5-9 minutes before opening up in Windows 8.

I thought a virus was there so did a full scan using Kaspersky Internet Security 2013, nothing found.

I haven't d/l'd any new software recently.

I have tried to upload music to my micro SD card from my iphone, but the icon in My Computer is not showing, not in Device manager either.

Don't know if they are related but the problem started just after the above incident.

Hope I'm explaining this ok, I'm a silver surfer and not too 'with it' concerning technical data.

Look forward to any replies.

Answer:PC suddenly takes forever to boot up.

Welcome to the Gen help forum!

have you added any USB devices lately, any new printers, any USB drives?

If you have, try either powering them down before booting and trying it again.
If that is not the problem, we should scan your hard drive for errors, but not with SCANDISK. But before we get into that, just check for any USB devices. Sometimes a Printer will hang up a boot process, because it may have Card Readers in it.

Also, you may want to check out that SD card, pull it out and try to boot again. - If it's a bad card, it WILL hold up booting, and now you say you can't see it anymore, I think it may have gone bad. Actually you should check the SD card in a different reader, because sometimes the SD Card Readers will go bad.

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I've been experiencing crazy long boot times recently. I've always had this problem to a certain extent, but it's getting way worse now. When I first got this and until a couple weeks ago, it had been rising from about 60-70 seconds to a minute and a half and up to two. Suddenly, today it skyrocketed to 270 seconds - almost 5 minutes. I rebooted 3 times and all of them took upwards of 200 seconds. I have no idea what is going on, as the only event log I have without code 100 is for a program that took 4 extra seconds to start. I'm leaving the details below, and I can see that prefetch, explorer, and the postboot times seem to be the culprits, but I'm not sure how to deal with that, especially since my previous 2 reboots yielded results different to both this one and each-other. I have a quad-core AMD FX-4100 running at 4.1 GHz and 8 gigs of ram, so I don't think it's a hardware issue. I do have an HDD so I expect slower boot times than brand-new SSDs, but this is ridiculous. I do have quite a bit of files in it, but it's relatively defragmented and I have trouble believing that's the reason for it taking almost 5 minutes to boot. Any help would be greatly appreciated, and I'd like to avoid formatting as much as possible, as it would take forever to back up all my files.


BootTsVersion: 2
BootStartTime: 2014-07-13T22:20:03.780800500Z
BootEndTime: 2014-07-13T22:25:00.752203700Z
SystemBootInstance: 696
UserBootInstance: 672
BootTime: 251999
Main... Read more

Answer:Suddenly long boot times

Hello and welcome var14ble mate there are several things you can do for starters try the following < use the /f option in Option 2 ifnecessary

download from bleeping computer ? delete any rubbishthese find.

Then there is this
Optimize Windows 7 > point 8 is a good place to begin with
but try the other stuff first mate.

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It all started when I burned a CD-disk with music so I could listen it in my car, and after that, I took my PC in sleep mode.
When I came home 10 minutes after, realizing the CD-disk didn't work because I had putted to much songs in it, I tried to boot my computer.

After some time in BIOS, I have recognized that my SSD-disk is not on the bootlist anymore, and I get this error when I try to boot up my computer without the repair-disk from Windows 7.

"Reboot and Select proper Boot device or Insert Boot Media in selected Boot device and press a key"

Does anyone have a clue? I have checked all the cables from the SSD-disk, and changed it to a blue sloth on the motherboard instead of the gray/white. I have also tried to check if Windows even recognize it with command promt, and it doesn't

It has worked fine until now..

Please help me, I am desperate...

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He text to me this - "my pc is failing to boot . it cant get to safe mode... the screen says...RPL-ROM-ADR 0007 9526 1816 RPL-ROM-PIO D400 RPL-ROM-FFC 5 NOT FOUND IT THEN asks for a boot disk in drive A. put disk in, cant read disk. HELP........."

Answer:Friends Pc suddenly failed to boot

Check all connections from back of hard drive to motherboard. Make sure they're all seated firmly.

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Ok, story time. I was dual-booting Vista and Ubuntu. It worked fine, everything was great. Then I decided that I was sick of Sim City 4 crashing all the time. I remembered that it didn't ever do that in XP, so I popped in my XP disc, deleted my Linux partition and recreated it as NTFS and installed XP. Something obviously screwed up during installation, because it wouldn't boot afterwards. No big deal. I just booted from the Ubuntu disc and deleted and installed on my extra partition again. Through all of this, the Vista partition remained untouched and still appeared as normal in the partition editor. Only now, if I select Vista from the GRUB bootloader, it shows the "Starting up..." screen forever and never loads.

At this point, I don't even need to recover Vista, I just need to know if there's any way to get into that part of my hard drive from Linux (which still works just fine) to get out some important files that I really don't want to lose. Apparently something did screw up my Vista partition at some point, even though I never told anything to access it, because now if I look at my "Computer" menu in Ubuntu I only see the "Filesystem" partition which shows as 230 GB in size (the size that should be both of my partitions together).

Apparently the partitions got merged, so all I need to do now is figure out how get at the files from my other partition. It shows as mostly full, so they are there, but I can't easily find the... Read more

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i have been using my computer pavilion dv5 and i have decided to shut it down. after like three minutes i have trief to switch it on it goes on but the screen shows nothing only to see flash lights all the me people

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Today I was working on my Dell XPS Gen 3 (new in January 2005) and suddenly there was a "pop" noise and the monitor displayed its "off mode in 5 seconds" message which normally appears when the system goes into power saving mode.When I try to reboot here's what happens. First the Dell logo screen appears with the Dell logo and Pentium 4 box looking normal, but all text on the screen is garbage. Then the raid screen should appear but it is just all xxoovv garbage. Then the black Windows XP loading screen appears and it looks fine, but after a short time of watching the blue boxes moving across the banner the screen goes blank and the monitor goes into power saving mode ("off mode in 5 seconds").When rebooting I have tried F2 for the bios, F8 for safe mode, and F12 for Dell diagnostics but in each case I just get a complete screen of garbage.The four diagnostic lights on the back of the pc are all green so there's no indication there of what is wrong. The power light on the front of the pc shows green while the pc is attempting to boot but then goes out when the process stops.I have not recently changed any hardware or software, the surge protector seems fine, and the pc was working perfectly until the "pop".I would be very grateful for any suggestions of what might be wrong - cpu??? motherboard??? or ???

Answer:Dell XPS Gen 3 suddenly fails to boot

POPs usually come from the PSU or motherboard (capacitors blown)

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Hello everyone! Could anybody help me with this issue? My Lenovo z470 keeps presenting these symptoms:1)When I turn it on, the Lenovo logo appears normally.2)2-3 seconds later, the screen goes black and there it stays for about 15 minutes.3)"Starting Windows" shows on the screen bottom, but without the usual Windows logo on the center. There it stays for about another 15 minutes.4)When it eventually shows the password screen, the system runs pretty normal, without clear signals of slowness. Tried a system restore, no success.The problem persists when I start in safe mode.Didn't install any new software recently. Hope you can help me. Thank you for reading.Best regards,Caio 


Go to Solution.

Answer:~30 minutes to boot Windows 7...suddenly!

Hello everyone! Could anybody help me with this issue? My Lenovo z470 keeps presenting these symptoms:1)When I turn it on, the Lenovo logo appears normally.2)2-3 seconds later, the screen goes black and there it stays for about 15 minutes.3)"Starting Windows" shows on the screen bottom, but without the usual Windows logo on the center. There it stays for about another 15 minutes.4)When it eventually shows the password screen, the system runs pretty normal, without clear signals of slowness. Tried a system restore, no success.The problem persists when I start in safe mode.Didn't install any new software recently. Hope you can help me. Thank you for reading.Best regards,Caio 

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I have a Lenovo y50 and it used to boot in 12 seconds, but recently started to take over 30 seconds to boot. I've had this laptop for around a week now. It happened ever since I reinstalled my nvidia driver. Im not sure if its just a coincidence that it happened at the time I reinstalled it. I made sure all traces of the driver were gone before reinstalling it. The loading circle in the beginning of the boot used to move smoothly but now it visibly lags and moves slowly. I've tried the "Clean up my PC" option and it still has the problem. Here is the event log:Link

Alright seems like i fixed the problem. I disabled fast boot and shut off the computer and then turned it on again(not restart). Then I enabled fast boot and now it boots at the time it did before. Very strange lol. Now it boots even faster, in around 10 seconds as opposed to 12, but its probably because of all the tips I was using to lower boot time that wasn't really solving the main issue lol.

Alright the fix from before only worked the first couple of boots and it just went to taking a long time to boot again. I recently revisited the problem and found out it was the hiberfil.sys that was somehow causing the problem. By turning it off and back on again in cmd, it would boot fast again, but only for the first or first couple boots. So i wrote a batch script to automatically reset the hiberfil and used task scheduler to run it when I log in. Works like a charm

Answer:Windows 8.1 boot up suddenly longer

What problem prompted you to reinstall the driver after only having the laptop for a week? The current driver for this card is 337.88 issued May 26, 2014. Is this what you have.

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Hi -

I have had this laptop for 3 years and never ever had any issues at all.
However last night it would not switch on at all.

I have trawled the net and various sites to find some help, and I have done EVERYTHING that has been suggested...taking power lead out, taking battery out, pressing on button for 30-60 seconds redoing this several times with and without battery in/out....nothing....the only led light that comes on is the little green adapter light at the front of the laptop, nothing else, no picture, no screen no noise nothing...

.Please help as I am so upset as I have many many pictures of my grandchildren on my laptop and have been so upset that this has happened. I am in my 50's and not very techy!!

I paid a lot of money for this laptop and expected it to last me years....

I do not download music or films. Thanks in advance. Trish

Answer:Satellite L550-1CC does not switch on


I?m quite sure that in your case the hardware malfunction is responsible for your notebook problem.
What hardware part might be faulty?

This is not easy to say? I guess some essential components like motherboard as well as parts connected to motherboard like RAM modules could cause such issue.

The RAM replacement is not very tricky.
So in case you want to test if the new RAM modules would solve the problem, I would recommend you to visit some computer service points in your town just to check if such part might be the troublemaker.

In my opinion its not worth to purchase some notebook parts just to check if they are really faulty? the part should be checked before you would make a purchase

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_So Hello_

I have:
{color:#ff0000}*Toshiba Satellite L550-11J*{color}
*Procesor:{color:#ff0000} Intel Mobile Core Duo T6500{color}*
*RAM: {color:#ff0000}4 GB{color}*
*Graphics:{color:#ff0000} ATI Mobility Radeon HD 4600 Series{color} (1 GB)*
*OS:{color:#ff0000} Windows 7 Ultimate{color} (64bit)*

Problem Description:
I need software for best performance on this ntb. I thing that I have all correct drivers
but when I want to play World of Warcraft or Day od Defeat: Source or other game, this ntb
is slower, that he can be. I reinstaled OS and all drivers and I cant get more performance from thos ntb.
(btw I found video driver od my graphic card (Ati radeon HD 4600 series on laptop) and windows tlod me, that I dont have that hw.

Its important for me because I want use all my performance.

Answer:My Satellite L550-11J is too slow


what are you comparing the performance to? If it's the equivalent Desktop ATI Card, that will perform faster because the Mobile ATI Chips don't have as much power to play with, and are limited due to cooling requirements.

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I have a new Sat Pro L550 and need to downgrade to XP. If I want to go back to Windows 7 in future can I?

Thanks, Lisa

Answer:Installing WXP on new Satellite Pro L550

Hello Lista

In my opinion you should look forward and start to use newest operating system Windows7. It is really good operating system, well done and runs with good performance on Toshiba notebooks.
Please note that you have newest notebook model with newest hardware designed for Win7 standards.
Yes you can install Win7 anytime you want.

Win7 is fully supported and you will not have problems with it.
To go back on WXP has no much sense for me except you want to use some ?old? software designed for WXP only.

Anyway, which notebook model do you have exactly (L550-xxx)?

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I bought a new 5.1 sound system but unfortunately my onboard sound card doesn't support it.
Is it possible to install another onboard sound card and - if yes - which ones can i use?
Thanks in advance,

Answer:5.1 Sound for Satellite L550

As far as I know something like this is not possible. Probably you need some external device.
Use Google and check if you can find such device. Maybe some external sound card that can be connected with USB cable can help you to get 5.1 sound to your sound system.

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The L550 model is coming with a duo core T6500 intel cpu 2.1 Ghz. I was wondering if I could replace this processor by a more veloce one like : Pentium Dual-Core E6600 @ 3.06GHz ?

Is compliant about the power and cooling system ?


Answer:Satellite L550 - Can I upgrade the CPU?


CPU upgrade is not supported as you can read here:

Can I upgrade the CPU, Display or Mainboard in my Toshiba Notebook?

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Since approximately 1 year im the owner of a Toshiba Sattelite L550-117. It has always worked quite fine. Lately though, my pc just shuts down.

It's not like a normal shut down, where every program is exited and then windows is shut down, but its more like a crash. It just shuts down, without any notice, and bam, i can restart it.

This has never happened before, and it started approximately 10-14 days ago. Has happened 6 times now. Just before it happens, my laptop starts getting really hot, it's actually a bit painful to keep your hand in front of the ventilator. I think this problem is caused due to severe overheating of a piece of hardware.

This problem is only occuring when i am in the middle of a gaming session. I Play Call Of Duty Modern Warfare 2 and World Of Warcraft. Both games should be easily handled by my computer. They have never been a problem for my notebook, and ive played them since i got this notebook.

Please not that i have never tampered with any of the hardware. Everything is just the way it was when i bought this thing, and it has never failed me. But now it just keeps crashing. Can anyone give some suggestions on what i can do? Im from the netherlands. Do i need to send in my notebook, does it need repairs, or can i fix this myself?How does my Any information would help, actually.

I use Windows 7, 32bit.
Video Card is ATI radeon HD4650.
The notebook is Sattelite L550-117
Processor Intel T6500 Core2DUO @ 2.10Ghz
4 gig R... Read more

Answer:My Satellite L550-117 crashes

This is typical behaviour by overhearing. That means that hardware reach critical temperature and when the sensors placed on mainboard register it notebook will be simply switched off. This is so called ?protecting mechanism?. This will avoid serious hardware damage.

What can you do?
Your notebook is about one year old so I can imagine there is dust inside. Dust can block cooling grill and air circulation. First step should be cleaning.
On the internet you can find many pages with useful instructions and tips how to do this on proper way.

For instance you can check

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Dear all,

I use a Satellite L550-10N computer.

1/ Main question : While looking at a film on DVD yesterday, the computer seemed to loose contact with the DVD, and did not want to read it any more after one or two successful trial. I tried with other DVDs today, and none can be read. Does it mean the DVD reader is out of service ? What shall I do then ? Has anybody met this problem ? How to identify the default ? How to repare ?

2/ Secondary question : while looking on internet for similar cases (which I have not found yet), I discovered some pilotes appear old and seem to need a replacement by newer ones. The pilotes include network adaptator (Inter(R)Wifilink 5100 AGN ; Realtek RTL8102/8103 Familiy PCI-E FE NIC), Sound, Video and game controller (ATI HDMI Audio ; Realteck High Definition Audio), System devices (Pont Intel (R) 82801 PCI-2448) and "P?ripherique d?branch?s" (in french) like USB storage device. What shall I do out of this information ?

Thanks for your help !


Answer:Satellite L550 - DVD reader- need help

1) There may be some dust on the Optical Lens, open the door and wipe the lens with a clean Microfiber cloth. If that didn't work, try this:

2) I'm guessing "pilotes" are drivers. Have a look on the Toshiba Europe website for updated drivers.

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My laptop can read DVD-ROM but can't read CD-ROM.

when i try to insert a CD-ROM, it's running but doesn't show anything and if i click on it, they say there is no cd insert one and try again.

Answer:Satellite L550-10N - Can not read CD-ROM


if you make a forum search, you can find many threads about your issue. Have you tried to remove upper/lower filters in registry? Try to use high quality medias like verbatim and Tdk, clean with a lens cleaning disk. It's typical answers for your issue. If it doesn't help you, it can be hardware issue. By the way, have you tried to restore the factory settings?

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My notebook is Toshiba Satellite L550-1CF that buy from Germany. I don't know a mxm slot on my notebook?

Answer:Satellite L550-1CF - MXM slot?


What is MXM slot?

I have checked the Toshiba website and I can?t find no information reagrding MXM slot on L550-1CF?

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I have Toshiba Satellite L550-11K and I am using 4GB DDR2-800 pc2-6400 RAM.
I want to install my laptop 2x4gb ddr3-1066 pc3-8500 ram, is it possible? Or can I just use 2x4gb ddr2-800 and how it effects my graphic card after I install these RAM and my motherboard is Intel gm45.


Answer:RAM upgrade on Satellite L550-11K

Your notebook can be upgraded up to 8GB so you can use 2 x 4GB modules.
Compatible 4GB modules have part number PA3670U-1M4G.

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I own a Satellite L550 PSLWTA-00K00G (Australian) and can't find a working LAN driver for Windows 7 64-bit.
The wireless works fine and has a driver, but the wired ethernet port does not.

I've tried the recommended *Realtek LAN Driver* driver from here: [|]
And numerous other drivers from here: [|]

But every time I run an installer it says *No Realtek Network Card detected on this system*.
Which doesn't make sense because when I check the device manager it shows a 'PCI Simple Communications Controller' in need of a driver.

I normally don't post requests like this on forums but I'm at the end of my wits trying to solve this one.

Can anyone help me?

Thanks! It's very much appreciated.

Answer:Need LAN Driver for Satellite L550

Was everything OK in the past? I mean you got your notebook with preinstalled operating system, do you? Have you installed own OS?
When you connect LAN cable does green light goes ON?

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Like the tittle says, I would like to know how to disassemble my laptop.
I tried to remove all the screws but the damn bottom plastic didn't separate it self from the top plastic.
Has anyone had this problem before?

Answer:How to disassemble Satellite L550-11H?


The question is why you want to disassemble the notebook?
I think this notebook is not very old and I think the warranty should be valid?
Disassembling the notebook would cancel the warranty.
Are you aware of this?

Notebook disassembly procedure I really tricky and you should not try this if you don?t know what you do?

However, maybe you could find some information in the web because Toshiba page does not provide such instructions.
Search for

Good luck

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Hello all, I am a newbie here and I came here becouse I have a love-hate relation with my new laptop.

I have a Satellite L550-13c and I have problems with getting the sound right.and every time I want to adjust the sound and play a little louder music, the flude comes up and sooo loud that the whole house is awake.

My question is: How do I mute the build in microphone or how do I throw that away? I can only use my speaker up to about 45%, otherwise that FLUDE tone comes up and that is becouse that build in mic is on, while I turned all mic`s off!? I don't get it and the laptop came with windows 7 installed.

Please help me? If you know the answer, please email me, I am getting desperate

Thanks in forward;-))

Answer:Satellite L550-13c - Microphone is still on


Have you tried to reduce the microphone volume and disable the microphone boost? Therefore navigate to Windows sound settings and select the input devices. There you can change the microphone volume and in advanced options the microphone boost.
Check this!!!

Furthermore I would try updating the sound and webcam driver. Both you can get here: > Support & Downloads > Download Drivers

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hi everyone

im having a problem when i play starcraft 2 beta or other high graphic programs the laptop just shuts down, I have bought a laptop cooler to try and fix it but it still does it but its a while later then without (i manage to play a game before it switches off) i also have command and conquer 4 which has the same problem. i know the cooler is working because i have felt the bottom of the laptop and it is cool while on the cooler and it is new too so it doesn't have dust in it. my laptop is vista sp1 with nvidia graphics and intel centrino i have 51 GB of space on my hard drive. also when i am going anything else (eg. surfing the web) it is ok.

thanks in advance

Answer:laptop switches off suddenly

Could you please post the temps Speedfan reports after heavy usage?

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I have an Acer Aspire 7000 laptop which has been working fine on Vista. A couple of days ago the screen suddenly went multi-coloured, with streaks of colours diagonally across the screen, and the only thing I could do to it was switch it off by holding down the power switch.Now it won't come on. No beeps and absolutely nothing appears on the screen. Power is getting to the laptop, as the Power Button lights up and the Power LED also lights up. Pressing any button on the keyboard has no effect. I don't seem to hear the hard drive whirring. I've tried taking out the memory modules and hard drive but I still get no response from the laptop. I've tried connecting an external hard drive but that remains blank too. I've tried putting in a boot DVD but it won't boot from that.What could be wrong? Processor? Motherboard? Anything else I can try to revive it?

Answer:Laptop Suddenly Not Starting Up

You`ve pretty much done everything so it could be either of the things you suggested. Only one other thing to check - Remove battery and power lead. Press and hold the power button for about 45 seconds which will discharge the capacitors on the charging module. Plug back the power supply and try a boot up. (No need for the battery)Is the main fan making any movement at all? If that`s packed up the laptop might not boot at all but usually it would perhaps start POST and then stop suddenly as the thermal switch cut in.It might be the CMOS battery but I doubt it so personally I`d get it checked out at a local laptop repair specialist. Expect a nominal assessment fee but they should have the correct diagnosis equipment.

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Hey guys

My laptops been having a problem for a while it's keep suddenly going dead, no shut down just dead but then will turn back on fine. It happens when it's being moved could be anything from putting it down from your lap or just move your leg slightly and it'll happen. This doesn't happen all the time but a good few times.

My thoughts are some things shorting out, it can happen when both on charge and not on charge. It's a Sony vio if any one needs to know.


Answer:Laptop suddenly switching off

So it only happens when the laptop is moved but not every time it's moved ?

Anything else odd going on ?

What model Vaio is it ?

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Logfile of Trend Micro HijackThis v2.0.4
Scan saved at 6:39:01 PM, on 4/30/2012
Platform: Windows XP SP3 (WinNT 5.01.2600)
MSIE: Internet Explorer v8.00 (8.00.6001.18702)
Boot mode: Normal

Running processes:
C:\Program Files\AVG\AVG2012\avgcsrvx.exe
C:\Program Files\Intel\WiFi\bin\S24EvMon.exe
C:\Program Files\AVG\AVG2012\avgwdsvc.exe
C:\Program Files\GnuPG\dirmngr.exe
C:\Program Files\Intel\WiFi\bin\EvtEng.exe
C:\Program Files\Java\jre6\bin\jqs.exe
C:\Program Files\AVG\AVG2012\avgnsx.exe
C:\Program Files\AVG\AVG2012\avgemcx.exe
C:\Program Files\Common Files\Intel\WirelessCommon\RegSrvc.exe
C:\Program Files\Intel\WiFi\bin\WLKeeper.exe
C:\Program Files\AVG\AVG2012\AVGIDSAgent.exe
C:\Program Files\Intel\WiFi\bin\ZCfgSvc.exe
C:\Program Files\Common Files\Intel\WirelessCommon\iFrmewrk.exe
C:\Program Files\Common Files\Adobe\ARM\1.0\AdobeARM.exe
C:\Program Files\AVG\AVG2012\avgtray.exe
C:\Program Files\Common Files\Java\Java Update\jusched.exe
C:\Program Files\Common Files\Ahead\Lib\N... Read more

Answer:Laptop suddenly sluggish

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I have an Acer Aspire E5 521 that I bought around November of 2014.  Recently it's been suddenly restarting on me while I'm using it.  The laptop will be doing just fine for maybe 30 minutes, sometimes hours go by. It varies.  I'm not sure what the issue is. I looked up a few things and It might be a battery issue with the laptop freaking out and restarting itself because the battery is getting too hot. Or maybe high CPU usage? I have no idea.  It only did this maybe twice a few months back but this past weekend from  3/26/15- [today] it's done it more often. I'm no computer expert so I'd really appreciate any possible solutions. Thanks so much!

Answer:My laptop will suddenly restart on me after some t...

Hello, In first, you can perform a power reset. If it doesn't work, I suggest you to contact your Acer support because your laptop is under warranty.

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hey,i use a core i5 HP ab001na..lately,after charging my device to 100%,after a while(when it gets to 50% and below),it goes off without any warning but it doesn't happen when the charger is plugged in and also sometimes,after plugging my AC adapter,the notification i get is 'plugged in,not charging'....please,what should i do?

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Logfile of Trend Micro HijackThis v2.0.2Scan saved at 1:01:02 AM, on 12/8/2007Platform: Windows XP SP2 (WinNT 5.01.2600)MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)Boot mode: NormalRunning processes:C:\WINDOWS\System32\smss.exeC:\WINDOWS\system32\winlogon.exeC:\WINDOWS\system32\services.exeC:\WINDOWS\system32\lsass.exeC:\WINDOWS\system32\Ati2evxx.exeC:\WINDOWS\system32\svchost.exeC:\WINDOWS\System32\svchost.exeC:\WINDOWS\system32\svchost.exeC:\WINDOWS\system32\spoolsv.exec:\program files\common files\logitech\lvmvfm\LVPrcSrv.exeC:\WINDOWS\system32\Ati2evxx.exeC:\WINDOWS\system32\ctfmon.exeC:\WINDOWS\Explorer.EXEC:\Program Files\Launch Manager\Wbutton.exeC:\Program Files\Synaptics\SynTP\SynTPEnh.exeC:\Program Files\Launch Manager\PowerKey.exeC:\Program Files\Launch Manager\OSDCtrl.exeC:\Program Files\Launch Manager\HotkeyApp.exeC:\Program Files\Launch Manager\LaunchAp.exeC:\WINDOWS\RTHDCPL.EXEC:\Program Files\Java\jre1.6.0_02\bin\jusched.exeC:\Program Files\Grisoft\AVG Anti-Spyware 7.5\avgas.exeC:\PROGRA~1\Grisoft\AVG7\avgcc.exeC:\Program Files\ATI Technologies\ATI.ACE\cli.exeC:\Prog... Read more

Answer:My Laptop Shut Down Suddenly.

Hello Learner87,

Sorry for the late reply, but as you can see we handle more than our fair share of logs. If you still have problems please post a fresh HijackThis log and we can begin the cleaning process.

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My laptop got sluggish with slow boots after after AVG claimed to have halted a bit of malware. Hijack This log posted below. I ran DDS but it froze after a minute then system crashed necessitating a power switch reboot. After reboot I tried to run GMER but it crashed with the blue screen of death. My laptop is a Dell Lattitude D610 with Win XP SP3

Logfile of HijackThis v1.99.1
Scan saved at 6:41:11 AM, on 4/23/2012
Platform: Windows XP SP3 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP3 (6.00.2900.5512)

Running processes:
C:\Program Files\AVG\AVG2012\avgcsrvx.exe
C:\Program Files\Intel\WiFi\bin\S24EvMon.exe
C:\Program Files\AVG\AVG2012\avgwdsvc.exe
C:\Program Files\GnuPG\dirmngr.exe
C:\Program Files\Intel\WiFi\bin\EvtEng.exe
C:\Program Files\Java\jre6\bin\jqs.exe
C:\Program Files\AVG\AVG2012\avgnsx.exe
C:\Program Files\AVG\AVG2012\avgemcx.exe
C:\Program Files\Common Files\Intel\WirelessCommon\RegSrvc.exe
C:\Program Files\Intel\WiFi\bin\WLKeeper.exe
C:\Program Files\AVG\AVG2012\AVGIDSAgent.exe
C:\Program Files\Intel\WiFi\bin\ZCfgSvc.exe
C:\WINDOWS\system32\wscntfy.e... Read more

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I have a ASUS X550C laptop which I bought new around a year ago. It has a Intel IVY BRIDGE DUAL - CORE ULV 1.5GHz processor with integrated HD graphics, 6GB RAM and is running Windows 8.1.
I have regularly been using this laptop for gaming and it runs The Sims 3,The Sims 4, Simcity 2013, Euro Truck Simulator 2 and a few others quite well considering the specs it has. A couple days ago I downloaded and installed Farming Simulator 2015 and it has been running just as good as every other game.
I have just been playing Farming Simulator and after an hour or two of gameplay the laptop suddenly cut out. The screen just went blank and all the power lights went out, it didn't shut down it just cut out as if the battery had been removed. I immediately felt the laptop as I thought it may have overheated due to gaming, but no, the laptop was nice and cool.
I switched it back on, logged in and a little Norton 360 message on the bottom right mentioned something about a Trojan. I am currently running a full system scan on Norton 360 which is taking forever.
What could have caused this?
How likely is it to happen again?
Could cutting out like that have caused any damage?

Answer:ASUS laptop suddenly cut out.

Cut outs are usually due to overheat as you suggested but also a failing power unit can cause the problem with a momentary drop in voltage.
Probably need to stress the machine by running intensive programs to see if it does it again.

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Hello All, My T500 shuts down suddenly at about 2 hour intervals. I am not sure if it has to do with overheating, as when the laptop is turned back on, the temperatures are very low. I figure a hot laptop can't suddenly jump 50 plus degrees. I imagine a temperature drop would be gradual.Also, when I have experienced overheating in the past, the laptop shut down wholly. Despite being plugged in, the light will go off and I need to do a battery reset. (take out battery, plug it and hold down power button while inserting the battery)But this was as if I had shut it down. It still charges and turns back on without issue.I checked the Event Viewer and have attached direct logs.I am hoping it is a graphic's situation and I need to reinstall the driver. any more information is needed, please let me know. Also, it is not warm to the touch when it shuts off.

Answer:Laptop shuts down suddenly

Hi Razorboi,
Welcome to Lenovo Community!
As per the query we understood that you are facing issues with Auto shutdown on your ThinkPad T500.

There is fix for the error file which you have provided, please click here to visit the page and follow the instruction from that.
Is the system fan running?
Boot the system into ?Safe mode? option and work for a while to confirm if the issue persists in that also?
Run ThinkVantage system update utility to check for the entire latest driver for your system.
Run Lenovo solution center and run system diagnose to check if there is any hardware errors showing in that.

Hope this helps.
Best regards,
Hemanth Kumar

Did someone help you today? Press the star on the left to thank them with a Kudo!If you find a post helpful and it answers your question, please mark it as an "Accepted Solution"! This will help the rest of the Community with similar issues identify the verified solution and benefit from it.Follow @LenovoForums on Twitter!

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Hi, recently my laptop has been running as normal, doing standard tasks, when suddenly it slows down, struggles to keep programs running and the network connection dies.

what confused me most, was that it only does it at my dads house, in a specific room. I'm just using it on the floor, it has plenty of ventilation and i have checked the temperature once it dies, and it isn't any different, if anything it's colder.

the intervals at which it does this are totally random, from 5 minutes to 6 hours. and it only happens in this one space. i even ran some virus scans, and there doesn't appear to be anything.

and it's an acer aspire 5315, i think, the label has worn off >_>
help? =[

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why the laptop gets shutdown suddenly?even after i have done formatting to my laptop,it gets shutdown. i take out windows vista and i installed windows 7 OS.even though i have the same problem so kindly help me to overcome it.i have to know the reason why it gets shutdown?

Answer:why the laptop gets shutdown suddenly?

Most probably dust build up causing an overheating problem.Also very probable, you have a bad memory card.Install Speedfan to monitor temperatures, if very hot then a use can of compressed air and blow out all dust through vents.Run Memtest86 from bootable CD you create to test your memory for errors, replace as needed.You have to be a little bit crazy to keep you from going insane.

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Hi.I m using Acer Aspire 6920-6875 laptop. I have started getting one problem for last 2 months. At first, it was getting frozen and then i always had to turn off the system by using the power button.Then after few days, the system started shutting down suddenly. After using 'Advanced system care' program, now my screen doesn't freeze that much but system still shut down abruptly. Interesting thing is that sometimes it runs without any problem for 7-8 hours BUT other times, it shuts down suddenly within 2 minutes,sometimes even at startup. I m using various Anti-Virus,Anti-Malware,Anti-sypware programs and there is no prob related to this. Also i use a program to check my CPU,HDD temperature and its normal.I will appreciate any help since i m very tensed.

Answer:Laptop shut down suddenly

Which antiVirus, anti malware and anti spyware software are you using?

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I have no idea whats happened, but sound just gone from my laptop, it happened first time to me after i turned off laptop and turned on few hours later.
Most interesting that i still see the sound bar jumping in windows volume controller

so its seems windows thinks that sound works just fine, while i play mp3 file, windows gives no erros at all. I also use SRS WOW HD sound filter, witch one also shows jumping bars

and the drivers seems, ok, no errors at all

what could be possibly wrong? idk what to try to do :/

Answer:Suddenly sound gone from laptop o.o

the first thing i would check is to see if anything is muted. right-click the speaker icon next to the clock and select "open volume mixer".
if that doesnt solve the problem, right-click the icon again and select "playback devices" and make sure the correct device is set as default.
most laptops have hotkeys to turn devices on and off. make sure you didnt inadvertantly press one.
if you use external speakers, disconnect the power for about 15 minutes. and also make sure they are plugged in to the correct port on the laptop.

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When I start my laptop after log in it suddenly switched do this also I need to plug in my battery.This laptop switched of within one minute after start.After one minute the battery indication is just flick no any continue charging is happening .My laptop have no problem earlier....its just started from last two days..To suddenly switch off..I hope you will help to move on from this trouble.

Answer:laptop suddenly switched off

Hello @aaam,  Try performing Hard Reset and see if that helps, Below document should help you : You might also want to take a look at this document: Battery Does not Power Notebook or Hold a Charge. It suggests troubleshooting steps to determine if the problem is the battery, the power supply, or the system board.You might find the answer to your battery/power issue as you work through the steps in that HP support article.   Hope this helps, for any further queries reply to the post and feel free to join us again  **Click the White Thumbs Up Button on the right to say Thanks**Make it easier for other people to find solutions by marking a Reply 'Accept as Solution' if it solves your problem. Thank You,GBL84I am not an HP Employee

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i am using a dell inspiron 4050 laptop with 2gb ram, windows 7 ultimate 32 bit.
my laptop was running very smoothly.
i had only 4gb free space left but there was no problem in speed and performance.
A week ago I uninstalled Autocad 2014. after that my laptop has slowed down.
windows explorer and other programms take a longer time to open and usually hang.
sometimes it starts working just fine as it was before. but after about an hour , it again slows down.
i have checked task manager. i also opened msconfig to disable unwanted software, used AVG PC tuneup but
the problem is still there.

Answer:Laptop suddenly slows down

Well; the best way to completely get rid of "remnants" from uninstalling a program(s) is to use a program called revo uninstaller. That will get rid of all the extras left behind such as registry entries, shortcuts and the like. Download, install, and run the program. That should hopefully free up some resources. Also you might want to consider upping the amount of ram you have if the system can be expanded further. That will help smooth things out as well. here is the link to revo uninstaller:

Download Revo Uninstaller Freeware - Free and Full Download - Uninstall software, remove programs, solve uninstall problems

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