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Computer won't turn on

Question: Computer won't turn on

I don't know if this problem is already in here but I wasn't about to look through 50 pages of topics to find it if it is.
Last night the power went out at our house, my computer was on, and obviously it went off, I had a surge strip hooked up to it and all that stuff, but for some reason my computer won't turn on. When I press the power button the lights will flash on and the fans will start and will seem to turn on but there are no external beeps. Then I can't get it to do that again unless I flip the power switch in the back a couple times unplug it and press the power and restart buttons again. Then maybe I will get it to flash but not always.
I have a pretty powerful computer with a nice video card which uses up a lot of energy, I was wondering if it maybe was my power supply. My brother is very good with computers and I called him he said that maybe I need a more powerful power supply. Mine is 370.5W and he said maybe put in a 400W one. Is he right? Or is it another problem?

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Preferred Solution: Computer won't turn on

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Answer: Computer won't turn on

if you had a power surge, it could have goofed up your computer. just beacuse you have a power strip doesn't mean you have a surge protector. it probally is your psu but the psu could have burned out somthing int eh computer.(no likely, but it could have happined) and if you do get another psu, jump up the wattage a bit more than just 370W to 400, go for at least 450, if you decide to upgrade later you will be happy you got it.

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I have a bit of a strange issue with my computer. Forgive me if I'm a little too descriptive, but I'm not sure which details are relevant and which are not for such a problem. First, the specs:

Model: eMachines T2984
Operating System: Windows XP Service Pack 2
Processor: Intel Celeron D Processor 340, 2.93 GHZ, 256K L2 Cache, 533 MHZ FSB
Power Supply Unit: Bestec Model: ATX-250-12E REV: P7
Motherboard: I can't tell, but it appears to be an Intel motherboard by the number of Intel labels on it
RAM: 512 MB DDR SD originally, added 1 GB a couple of months ago
Let me know if you need anything else...

Yesterday, I got home from shopping around 1PM, and I tried to start the computer. I pushed the power button, and nothing happened. I checked all of the cords, and they were all plugged in. Not knowing what else to do, I opened up the case to see if there was something obviously wrong. The only thing that I noticed (other than a bunch of dust) was that the power supply unit was still hot. I shut the computer down about 5 hours earlier after about 20 minutes of use, so it seemed strange that the power supply was still hot. I unplugged the computer just in case there was some sort of fire hazard.

At this point, I called a friend who suggested that the problem might be with the motherboard or the power supply unit.

A few hours later, I plugged it back in to try to get it to work. As soon as I plugged it in, the entire unit suddenly started "running" by itsel... Read more

Answer:Computer Doesn't Turn on, Fans and Some Lights Turn on Automatically

I would suspect that the Power Supply Unit (PSU) is going south. If you have a spare one laying around, install it and see if the problem goes away.
You can buy a new,better PSU from Newegg for about $40.00. I have used a Thermaltake 430 watt in one of my machines for some time now and it works well.
You will have to check the size of your PSU to be sure a new one will fit into the eMachine.
Here's the page with that PSU on it. It's the last one on the list.
http://www.newegg.com/Product/ProductList.aspx?Submit=ENE&N=2010320058+50001379&name=Thermaltake
 

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I just put together my first computer 6 months ago. It abruply shutdow in the middle of writing a paper for school. I couldn't turn it back on right away. after trying a few times, it turned on. All the fans are working even the fan on the power supply, the motherboards lights are on. My graphic card in on the motherboard. I think it might be my power supply because when I first put it together I didn't plug in the smaller power connection to the motherboard and the same thing is happening, black screen. It's like my computer isn't giving my monitor any feed. I will have more info when I get home. I can't get in to bios or safe mode.
 

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Hi!
I have this issue that when I turn on my computer, the power LED does not turn on but you can hear the fans working properly. I don't the issue and I'm not much of an expert with computers. Please help me solve this issue because I'm completely clueless.
 

Answer:Try to turn on my computer but only the fans work and the power led does not turn on

How old is the computer, what was the last change you made to the computer and when you last shut it down did it shut down correctly?
 

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How to find computer turn on time off time. I want to know during last month how many times my computer was turned on , when it was truned on & when turned off.

Answer:How to find computer turn on & turn off time

Have a look in the System event log. Normally a few events are logged at shutdown and startup.

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I was playing counter strike then all of a sudden the screen went blank then the fans started to make loads of noise so i turned it off and now when i turn it on the fans start the dials move and light up but it makes some beeps then nothing happens just the fans spining, its happened before and i sent it back and they put a new motherborad in but the company has gone bankrupt so carnt send it back is there any way i can tell for sure its the motherborad and help choseing a new one??.

Answer:computer turn wont turn on

1) Punctuation.2) More info on your system, OS and what happened prior to this and someone will be along shortly to assist.

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I am using a client computer that is connected to a modem via a LAN cable which is in a neighboring house as far as about 50 meters. The host computer is there. The host computer is only using Internet Connection Sharing (without a router) to share its Internet connection with me. Within this network there are only two computers, the one I use (as client) in my house and the other one is the host computer as I mentioned earlier.

How do I know that the host computer is being turned on or off?

The purpose is to know so that I can use all the bandwidth from the modem when the host computer is not turn on. Because there are no restrictions on bandwidth from the host computer, and I just wanted to use all the available bandwidth only when the host computer is not turned on.

Both computers use Windows 7.

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after serching all night to find out why his computer is in limbo, i leave my brother's house without finding needed help. his computer won't turn off...the fan, a couple little lights until he unplugs it from the wall. first, the computer did a restart all by itself, he said, then it would not turn on, except the fan and little lights inside that won't turn off. he took out the hard drive and it functions in his other computer...he puts the hard drive back into the new computer and it will not turn on or completely turn off that fan. he tried the "hold the on/off button for at least five seconds" step and nothing changes. he has had the computer for a year and a half, so he really wants to figure this out. how can he even get it to turn on so he could do a safe start up? so far we cannot find a way to troubleshoot. he have checked the cords, perhaps there was a freeze up that began this loop and that's why the fan stays on? please say this is something you have heard of and there may be a solution. the advice we have found usually goes back to buying a new computer. thanks in advance, tea
 

Answer:what's a girl to do when her computer won't turn off, or turn on?

Welcome to TechSpot

I'd unplug all drives and add-on cards (such as soundcard if there is one), and try booting then.
 

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Hello guysI am beginner on computers and recently my computer obtained a problem and i think its on hardware the problem.When i open pc it is open for 4-5 seconds and its turn off and few seconds later it's turn on automatically without me pressing the power button, also it;s doesn't send signal to my screen.Can anyone please help me?  Sorry for my english, its not my native language.

Answer:My computer turn off and turn on automatically

Could you please share the make/model number of the computer? Also if this computer is new and under warranty have you considered returning it under warranty replacement?

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I've had this message on screen, alternating with "Installing update 2 of 2.." for well over 6 hours now!

How long can it take? At some point I'm gonna have to bite the bullet - what should I do?

(Windows XP, SP3. I think the Windows update is something to do with the .NET framework?)
 

Answer:"Do not turn off or unplug your computer; it will turn off automatically." (6+ Hrs!)

Re: "Do not turn off or unplug your computer; it will turn off automatically." (6+ Hr

If you have got an XP install disc to do a recovery if it goes bad, i'd just hit the reset button, and boot into safemode straight away [press F8 as it is booting] then schedule a chkdsk and restart.

to schedule chkdsk...



Go to "my computer" and right click on the drive windows is on.

Select "properties" then go to the "tools" tab and click "check now" on the error checking section.

It will tell you that it cant perfrom it and ask you do you want to schedule it for next time...
click "yes" and reboot.Click to expand...


 

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Hi, I have a problem with windows XP. Everytime I turn off my computer by clicking on "turn off computer," I receive an error message popup that states "Windows Explorer has encountered a problem and needs to be closed." After that pop-up message, the computer freezes for about a minute and goes back to its normal format (desktop) and the computer DOES NOT TURN OFF.

How do I turn off my computer without unplugging the computer? I try "ctrl+alt+del" to go to the windows task manager to "shut down" the computer but..the computer restarts again and doesnt turn off. Do I have a virus or a windows explorer problem? and how do i fix it? thank you
 

Answer:WINDOWS EXPLORER error and computer cannot turn off without plugging the computer

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Hi, I have a problem with windows XP. Everytime I turn off my computer by clicking on "turn off computer," I receive an error message popup that states "Windows Explorer has encountered a problem and needs to be closed." After that pop-up message, the computer freezes for about a minute and goes back to its normal format (desktop) and the computer DOES NOT TURN OFF.

How do I turn off my computer without unplugging the computer? I try "ctrl+alt+del" to go to the windows task manager to "shut down" the computer but..the computer restarts again and doesnt turn off. Do I have a virus or a windows explorer problem? and how do i fix it? thank you

Answer:WINDOWS EXPLORER error and computer cannot turn off without plugging the computer

check check HELP?

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I use my laptop for school and, by keeping it on power saving mode, usually get through two school days without charging my laptop. Ever since I've downloaded Windows 10, (1) my computer doesn't shut off all the way when I close it, which drains the battery, and (2) every time I charge it, it turns off the power saving mode, which is really annoying. This is especially annoying when I don't notice it isn't on and my battery drains even faster. Is there any reason it won't turn off? Is there a setting I can use to keep the power saving mode on at all times?

Answer:Why won't my computer turn off all the way and why can't my computer stay on power saving mode?

Your system might have a virus, try to scan using Malwarebytes, Superspyware , Trojan-Killer. Restart your system then try to download Hitman Pro then Run it. Then optimize your system using Ccleaner. Hope this would help.

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Ok well, my computer is pretty old, but its not THAT old, it has always worked very well, and all of a sudden one day it froze and i tried turning it off but when i went to press the power button it wouldnt turn off, no matter how many times i pressed the power button. so i had to turn off the power switch in the back of the computer. it did this consistently so i decided to format my computer and delete the partition stuff like that, but it still did it, and i even virus checked and there were no viruses.

my computer freezes out of nowhere at random spots (startup, windows, my desktop, etc) and when i try to turn it off the power button doesnt work so i have to turn it off by turning off the switch at the back of the computer, please help me, i don't know whats going on!

Answer:URGENT PROBLEM: Computer freezes, but can not turn computer off

Try holding the power switch in for at least 4 seconds. There is a entry in BIOS for instant off and 4 second delay. Yours is probably set to 4 seconds. Delay is good as it prevents accidential power offs from hitting the switch by mistake.

If you are hiolding the switch in and it isn't powering down there are two possibilties. Switch is defective or connector has came off the header.
Charlie

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New computer keeps blue screening during or after my computer goes to sleep. Was told to upload this, and also it says part of the reason is in the Minidump folder or the Temp folder.

Answer:BSOD after I turn Computer NEW Computer on, or whilst sleeping

  
Quote: Originally Posted by TheRealDanny


New computer keeps blue screening during or after my computer goes to sleep. Was told to upload this, and also it says part of the reason is in the Minidump folder or the Temp folder.


Hi TheRealDanny.

The crash dump (a Stop 0x3B one) is not saying anything in detail about the probable cause of the BSOD).

Test your RAM modules for possible errors. How to Test and Diagnose RAM Issues with Memtest86+
Run memtest for at least 8 passes, preferably overnight.

If it start showing errors/red lines, stop testing. A single error is enough to determine that something is going bad there.
If it does not show any error, enable Driver Verifier to monitor the drivers. Driver Verifier - Enable and Disable
Run Driver Verifier for 24 hours or the occurrence of the next crash, whichever is earlier.



   Information
Why Driver Verifier:
It puts a stress on the drivers, ans so it makes the unstable drivers crash. Hopefully the driver that crashes is recorded in the memory dump.

How Can we know that DV is enabled:
It will make the system bit of slow, laggy.



   Warning
Before enabling DV, make it sure that you have earlier System restore points made in your computer. You can check it easily by using CCleaner looking at Tools > System Restore.

If there is no points, make a System Restore Point manually before enabling DV.



   Tip

If yo... Read more

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As the title said, my computer freezes during games. When it freezes the screen just stop at the last frame (so no black screen or anything like that) and I can hear the game for about a second before it turns to a low clicking sound. At which point I have to manually shut down the computer and restart it. Nothing else works. Then I get the usual question of how I want to start the computer, I always pick “start normally” and it’s like it never happened.

I think it’s because the GPU is overheating, because that’s the only component that’s really hot. When I check the temp while playing it’s usually building up to about 60C (24-30C on idle) and stays around that number. And it fells really hot when I touch it after it’s happened. The only problem with that theory is that I can play every game out there usually on the best setting (haven’t tried every powerful game out there) and not a single problem with lag or such. Then again, I’ve never had that problem with MW3, and the temp stays around 50C on that. Not to say that the GPU is really that great. It’s average at best, but I’m not a hardcore gamer or anything so figured I didn’t need the best.
I built the computer myself in June 2011. And it went fine without any problems until maybe 6 months ago, not really sure when it happened.

Here’s what I’ve done so far
I’ve... Read more

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First of, my monitor exhibited signs of flickering during start-up, but only minor ones and would just stop at the 'Welcome' screen of windows so I didn't give it much thought. Iv'e been using it with the cpu the same time I bought the monitor.

But after some time, the flickering got worse. It went from 1-2 second interval flickers to a whole 10 seconds of blackness before it showed anything.

Now,Iv'e got a new cpu but still using the old monitor. After a day or so, the monitor exhibited the first symptoms of my first cpu, so I just dismissed it. But after a week, It got a hell worse, before I even start-up my computer, the monitor doesn't show Analog/Digital at the top-left corner of the screen. PLUS my cpu keeps restarting after I pushed the ON button after 10 seconds or so.

My question, Is the monitor responsible for the restart and what could be the reason for the flickering?

Thanks for a fast reply.

Answer:My Computer monitor doesn't show anything when I turn my computer on.

  
Quote: Originally Posted by pokeman5


First of, my monitor exhibited signs of flickering during start-up, but only minor ones and would just stop at the 'Welcome' screen of windows so I didn't give it much thought. Iv'e been using it with the cpu the same time I bought the monitor.

........
My question, Is the monitor responsible for the restart and what could be the reason for the flickering?

Thanks for a fast reply.


Welcome Pokeman5 to the windows 7 forums.

The graphics card might be your culprit. Please update your system configuration settings under user cp so that others can maybe help you.
Usually the monitor won't stop your machine from booting. The graphic card most likely be the cause.

There is also the possibility that your power supply could be defective or going bad. Lots of possibilities.

Rich

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I am having trouble with a 6 month old IBM R51 laptop - when I select TURN OFF COMPUTER from within Windows and the START button - the computer sometimes hangs and will not shut down. I have to press the power button to reset. Any idea what could be causing this?

Thanks!

Answer:Computer Hangs When Turn Off Computer Selected In Windows

Welcome to BC! There are many possible causes, however there is one common cause. Often XP's exit sound file gets corrupt and if it does not run then XP won't shut down. I am not sure based on what you have told us so far if this is the issue or not, but let's see:Go to:Start > Control Panel > Sounds, Speech, and Audio Devices > Sounds and Audio Devices > Sounds tabUnder Program Events scroll down until you see Exit Windows. Highlight Exit Windows by clicking on it once. Then under Sounds choose None. Click Apply and finally OK. Reboot if possible, or shut down computer and restart manually. Once it is up and running, shut down computer by going to Start > Turn Off Computer. See if it will shut down on it's own now.If it does, the only difference will be that you will not longer hear the 2 seconds of music that XP usually plays as it shuts down.

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so recently i took everything out of my computer to clean it..i put eveything back where it was but when i turned it on its starts making beeping sounds and the screen stays black.. fans and power run but dont know whats the problem.

i also recorded a video of how its sounds like:
http://www.youtube.com/watch?v=8_2mdNJFWxU
so please help/B]
 

Answer:Solved: computer beeping sounds when i turn on computer

There are three possibilities here, all related to your memory.

1) You have forgotten to fit your memory back in.
2) Your memory isn't properly seated in its slot(s)
3) You have killed your memory because of not following antistatic procedures.

I'm suspecting it is either 2 or 3.
 

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Had problem message on Microsoft edge that computer could be corrupted.  Now can't turn on computer even though power is going to it. What can I do

Answer:Microsoft edge crashed my computer and I can turn computer o...

Hi Method 1:Run the apps troubleshooter and check if it helps with the issue. Refer to the following article and run the Apps troubleshooter:Run the troubleshooter for Windows apps If the issue still exists, try the next method. Method 2:Try to run a System File Checker (SFC) scan to check for any file corruption. SFC scan will scan for corrupt system files on the computer and repair them.Press Windows key + X, click Command Prompt (Admin).In the Command Prompt, type the following command, and then press ENTER:sfc /scannowIf the issue still exists, try the next method. Method 3:You may check the same issue with the new user account. Try these steps to create a new user account and check if it fixes the issue. Refer to the steps below to create a new User Account:Go to Settings.Choose Accounts and then select Other User Accounts towards the left.Select Add an Account.Enter a user name and hit Next.Click on Finish.Sign out from the current Account and Log into the new account.Check if issue persists. 

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Ok so my computer was using 2 rams and after some time i update my motherboard bios or something like that and later some days it started to work weird like i turned it off and the next day it would just turn on and off after i took one of the rams out it worked fine and it might be from avast to because i did a virus scan before the ram problems and i had 2 blue screens of death so what is the issue with my ram or the motherboard. plus i use to run 4 rams but it would keep restarting my computer after like 1-2 hours of using it so i went back to 2 and now i have another problem i have alot of bad luck with computers  so please help me because i am taking it to a person to check it out tomorrow if you could please give me some advice on how to fix these plz help. PS this is a 3 month old computersystem specs CPU  Intel? Core? i5 Processor       Motherboard Intel? Desktop Board DP55KG   Memory X2 Corsair CMX4GX3M2A1600C9 XMS3 4 GB                                            Graphics Card     XFX HD-575X-ZNFC Radeon HD 5750 1GB Hard Drive     Western Digital 500 GB               Power Supply    ENERMAX INFINITI EIN720AWT 720W         windows 7 64bit   NOW it cant run on one stick keeps turning ... Read more

Answer:computer will turn on and off when i turn it on need help

Is that RAM on iNtel's Supported Vendoe List for that MBoard ? ?<akes a difference with the higher speed DDR3 RAM....

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Just got a new to me P3 computer up and running. Sometimes during star up it does not recognize the PS2 keyboard. Which makes it hard to go into my password protected User ID. When trying to shut down it will keep a few things running like some fans and the CD drive. But it does not sound like the Hard Drive is spinning.

If I use the XP to shutdown it goes into this limbo stage of neither off nor on, same goes for the power button on the front of the computer. It will either start up the computer or turn it to the limbo mode. Upon starting up, I can use the mouse to get it all the way into a non password protected XP users screen but can't do anything without the keyboard working. In the process of setting up I have had everything working earlier today but this keyboard and limbo status has been an intermitent problem. What should I try?
Thanks
 

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Hi everyone,

While turning on my computer the it turns on, fans are starting to move, but screen won't turn on, and the beep of the bios is not heard.

pressing the sleep/reset button next to the turn-on button computer goes off, pressing it again turns on the computer without any problem. (now I'm working with the same computer) i thought maybe it's the power supply that gives me problem but changed between computers, this still gives me trouble and other computer works good (besides its many problems ). any idea what to do?

Thanks in advance
Chaim.

BTW, while trying to write this thread I got all this terms that i didn't know how to call in English, like power supply - is that the box which connects to the power and to all the m-board and drives? is there an English computer terms dictionary?
 

Answer:Turn-on won't turn on my computer...

try wikipepdia for translations or google
 

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Hi,
i pluged in my hard disk to another computer to format it. Now when i was finished i pluged my hard disk back to my pc. Now when i turn on computer monitor just go to sleep and nothing happends. I dont have any OS right now and i cant modify anything. Maybe i did something with my hard disk wrong i dont know. please help me.
 

Answer:My computer monitor doesn't come on when i turn my computer on

Why did you take it to a different computer to format?
Do you have the o/s cd in the drive to boot from?
 

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I just got this HP pavilion 762n last year. Now whenever I turn the computer on it won't respond(Goes to a Blank Black Screen) and the only way I can make the computer respond is to go to safe mode and UN-install the Graphic Card, then restart the computer back again. Once I've done that the computer would work, but I can't watch Videos or play Video Games on the computer. There also would be these little blue lines on the computer screen (Sometimes their would be alot of the lines and sometimes the lines would be made by the trail of my mouse).

I've tried lots of ways to fix the computer. I've tried:

- Un-installing and re-installing my graphic card (Nvidia Geforce4 MX420 graphics card with TV-Out) that came with the computer.

- Rolling Back My Graphic Card.

- Updating My Drive from Windows Update.

- I've tried using a program that test my computer and tells me whats wrong with it. It said I got a problem with something like the VIDEO MEMORY CARD and I don't know what that is.

Is the Only way I can fix this is to buy another Graphic Card. I do not want to waste $200.00. Please Help Me!

Thank You.

Dang Le

Email: [email protected]
 

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My computer is maybe 2 years old, and this problem only starting occuring recently. I turn on the computer and all is well until it gets to my desktop when the screen just goes black. I tried blowing the dust out and my computer worked again for a couple of hours, but now blowing the dust out doesn't work. I can login to safe mode, but I cannot get into my regular settings. What do I do to fix this!!
 

Answer:When I turn on the computer, the screen just goes black but the computer is on!

Hi and welcome to TSG try using your install or recovery disc to run a repair http://www.google.co.uk/url?sa=t&source=web&cd=2&ved=0CB0QFjAB&url=http%3A%2F%2Fwww.vistax64.com%2Ftutorials%2F91467-startup-repair.html&ei=jjkZTLHJM5z60wTm4MDQCw&usg=AFQjCNFF8Qw4KfElupT6ouPZpnIehttTTw
 

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Hi all.
I moved out of a 14-year-old case (Gateway) and into an Ultra brand Gladiator mid-tower.

I have an EVGA nForce 650i Ultra Motherboard, and a "Power Up" brand 450-Watt power supply.

The setup worked fine in the old case, though Windows was freezing regularly after 15 minutes. I figured that was related to the hard-drive, since it wasn't tightly mounted, and I wasn't using enough cooling fans. So I got a new case and cannabalaized a fan from an old computer.

The power outlet and cord are good, and I swapped out the power supply with a 230 watt unit, and pulled the switch from the old case, but neither powered on the computer. Nothing seems out of the ordinary with the switch on the case I bought.

Did I buy a defective unit? Is there something I'm missing or should try again? Something else? Thanks for the help.
 

Answer:Changed computer cases, now computer won't turn on

Have you considered that going from a 450 psu to only a 230 might have something to do with it?

Is the motherboard shortening out by any part of it touching the case?
 

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Every time i turn on my computer within 10 seconds it restarts and repeats the process. A box prompts up with an error report saying:

System has recovered from a serious error. I view the technical information it says:

C:\DOCUME~1\Owner\LOCALS~1\Temp\WERf7f2.dir00\Mini082010-01.dmp
C:\DOCUME~1\Owner\LOCALS~1\Temp\WERf7f2.dir00\systdata.xml

I click do not send two boxes have popped up indicating a problem they are:

The procedure entry point JS_IsDebuggerFrame could not be located in the dynamic link library Js3250.dlll
and
The instruction at 0x7c80c621 referenced memory at 0x00df0009. The memory could not be read.

Can some one please help me out here, much thanks; i am running windows xp

Answer:Computer starts up then restarts (Safe mode freezes)Every time i turn on my computer within 10 seconds it restarts and repeats...

Have you tried the Lask Known Good Configuration option?

I think it might be a Mozillla issue (damaged), calling for the uninstall/reinstall routine.

Louis

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Anyone have any idea how or if it's even possible to turn this into a gaming computer (MMO's mostly). The cheaper, the better (but I plan on doing this over a long period of time as opposed to quickly).

Tech Support Guy System Info Utility version 1.0.0.1
PC: Compaq Presario CQ5300F
OS Version: Microsoft Windows 7 Home Premium , 64 bit
Processor: AMD Sempron(tm) Processor LE-1300, AMD64 Family 15 Model 127 Stepping 2
Processor Count: 1
RAM: 1918 Mb
Graphics Card: NVIDIA GeForce 6150SE nForce 430, 128 Mb
Hard Drives: C: Total - 295192 MB, Free - 253458 MB; D: Total - 9949 MB, Free - 1497 MB;
Motherboard: PEGATRON CORPORATION, NARRA5, 5.00,
Power Supply: 250W
 

Answer:Would it be possible to turn my computer into a Gaming Computer?

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Hello there, recently, I've been having an issue with my PC. Randomly, all peripherals (Monitor, Keyboard, Mouse, Speakers, etc.) turn off, but the computer stays on, and I need to turn it off by flipping the power off, and once I turn it back on, it boots normally and such. Like I said, the times this happens seem to be completely random, though I believe it has only happened at night, but that may be just coincidence. I have used virus scans, and nothing has come up, so I don't believe that's the issue. I haven't made any significant hardware changes recently either. Does anyone have an idea of what could be happening?

Thanks in advance
 

Answer:Computer peripherals turn off but not computer itself?

Get into the motherboards bios by pressing a key noted when you first power up the computer. Look for "hit F? for setup" or something like that. Reset the bios to defaults
 

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I just got a new motherboard, cpu, case, and memory i connected everything and plugged it all in when i turned it on it booted up ok except it said floppy drive failed
so i turned it off and turned off the power switch on the back of the power supply. I put in a new floppy drive, and turned the switch in the back on, and pressed the power button, but nothing happened except a green light on the motherboard went on and there was a blue flash inside the power supply, because of the blue LEDs in the PSU fan. How do i get it to turn on?

By the way, I have a Soyo Dragon minitower case with the side window
with a P4I845PE V1.0 Socket 478 motherbboard
with a ULTRA 400 watt ATX power supply with 120mm Blue LED fan
and a Celeron 2.7 Ghz 128k 400Mhz FSB with a ULTRA FIRE petium 4 CPU fan
I also have 256 MBs of PNY PC2700 DDR 333 RAM
a GeForce 4 MMX graphics card with 32 mbs of memory
and a 40 gig maxtor hd
 

Answer:my computer won't turn on

also i forgot to mention when it try to turn it on the computer on the fans twitch. i have windows xp pro installed on the hard drive.
 

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I know this is a pretty general subject but that's where I'm at right now. I have had my computer off for a few weeks and just hit the power button with no response. PSU rocker switch is in "on" position and there is no visible trip indicator for any kind of breaker built in. Only visible things are the voltage selector switch (currently @ 115V, I'm in the US) and the on/off rocker switch.

I opened the side of the case thinking maybe the connector for the switch came loose (tower sits on the ground near a closet door, I thought it might be possible that it got hit somehow) but the connector is still firmly seated on the pins it's supposed to be (motherboard has a printed position map for that area).

I guess the switch could be out and maybe that needs to be replaced, but the feel and sound it has when I press it is as it has been for several years. Note that this computer was purchased in the summer of 2002. The only recent thing that I've done to it was replace a fan and replace the video card, but this was done about 9 months ago and, up until a few weeks ago, the computer was on quite a bit and had no issues.

I figure the experts here might have a suggested list I should run through to try to determine the problem. Any help would be greatly appreciated.

Thanks,

BR
 

Answer:Computer won't turn on.

Your going to have to eliminate possible causes. Start with testing your PSU, you can easiliy do this by following the video.

http://www.metacafe.com/watch/729606/how_to_test_your_computers_power_supply_psu/
 

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 Whenever I try to turn on my computer it goes to the safe mode prompt.It gives five optionsSafe mode (loops back)Safe mode with networking (Loops back)safe mode with command prompt (loops back)Last settings that worked (startsto turnn on, the screen flashes Blue w/ white script, then loops back.)Start computernormally (startsto turnn on, the screen flashes Blue w/ white script, then loops back.) Is there a way to get past this, or do I have a huge problem.I have XP, which I think is the only pertinant info you guys should need.  :-?

Answer:Cannot turn computer on.

Quote I have XP, which I think is the only pertinant info you guys should need.  :-?Pertinent info would include:Do you have all XP service packs and updates?Computer or motherboard make/model?What happened prior to this?Any other problems with computer?Any spyware/adware/virus protection being used?Are you the only person with access to this machine?Have you made any software or hardware changes lately?Anything else that may be relevant?

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Hey, looking for some help here.

Recently while I wasn't home the power went out, and when I came back, my computer won't turn on. The light on the computer just flashes between orange and being off. I do have a surge protector. I tried plugging the computer power cord directly into the wall, but that didn't help. Is my computer fried? Are any parts of it likely still good? Does it probably have nothing to do with the computer? Any ideas? Thanks!
 

Answer:Computer Won't Turn On

Welcome to TSG, DaTrusHurtz.

Multiple Postings - It is simply not acceptable to post your question more than once, or to post it in more than one forum. Choose the forum that your question or post best fits in, and place it there and only there. If, after posting, you feel it should be in another forum, use the "Report Thread" button at the bottom of the post and we'll move it. We also reserve the right to move posts to other forums and delete duplicates.
Click to expand...

http://forums.techguy.org/hardware/822629-computer-wont-turn.html
 

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Alright so I had just gotten everything plugged in and setup for my new rig, but it doesn't turn on. Everytwo seconds or so all the fans and LED's turn on for a quick second. I've tried resetting the motherboard and doing a full power drain. Please help me figure out the problem!!
 

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I was reformatting my hard drive, it was at 20% for about 45 minutes to 1 hour. I left the computer alone for a short while came back and saw that it was not on. I figured at the time that maybe it had overheated so I unplugged it and felt around, the power supply was pretty hot along with the heatsink on the CPU. So I let it cool down then plugged everything back in and tried to power up. My mother board (ASUS K8V-SE DELUXE) has a "standby power LED" this located on the mobo was lit up. Also the power activity light on the case dimmly lit up. But other than that nothing happened, no fans, no video on the monitor, nothing. Does anybody have a good clue of what I should do or what happend please reply?
 

Answer:Computer Won't Turn On

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My computer is refusing to turn on. It's not the power source, because I dragged out this old computer and it worked fine on the same power outlets. I think the connection is broken by a stripped wire or something but haven't got a clue how to fix it. Is there some easy solution to this problem, or do I have to take it to a store?

(The power button sticks if that helps)
 

Answer:Computer won't even turn on

When you say it won't turn on do you mean nothing comes on. No fans, LED on the Motherboard ( if it has one). It's just completely dead? Some more info
on what you mean stripped wire or something. Is this a guess or do you actually see a problem.
 

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For whatever reason may be, my computer won't turn on. Every time I go to power the computer on the Motherboard does nothing. And I see nothing on the screen. I can hear the DVD Rom powering up as well as the Hard Drive. But the fans on the CPU don't turn on. I know the CPU is getting power because I can feel the heat that emanates from it. Its strange because I was having problems with my computer for the past few days with defragmenting.

I was using Ultimate Defrag to try and make my computer faster by moving files around the disk, but it ran all night and never completed, in fact the time estimation kept increasing not decreasing. I then quit it and ran Defraggler for all night long and discovered that my computer would not show anything on the screen.

Did I leave my computer on too long and screw up the CPU?
Or is my Motherboard just Fried?

I did check to make sure that it was clean inside my computer and while there was some dust its nothing too bad, just a few spots here and there, and that was mostly in a corner away from the components.

I tried unplugging everything from the Power Supply except the Motherboard. Also I am hearing no bleeps or other sounds and the computer and the screen stays blank. No Bios screen or anything.

On a related note the computer is a cheap Lenovo that me and my brother bought, he had his own. His died out a while back, but that was because of the cheap Power Supply, although a week later it quit worki... Read more

Answer:My computer won't turn on

Could be the motherboard but test or replace the power supply first. Always start with the simplest, least expensive solution. Hopefully that will solve your problem.
 

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My computer was working fine yesterday night and when I woke up today I tried to turn the computer on but it would not turn on. I tried every step you can do to make sure if it is the plug. My monitor is working fine. The motherboard LED lights are working so it can't be the motherboard.

I touched the red thing on the back of the PSU and the power was on but as soon as I let go the power died. So is my PSU broken? Idk wat to do please help.
 

Answer:Computer won't turn on

By "red thing" I'm assuming that's a reset circuit breaker. And if it keeps popping then there is an overload or short. It sounds like the PSU is the culprit, less likely but still possible is a card (video, sound card, network) went bad or the motherboard had something go (yes that does happen and not as infrequently as you'd think).

So I'd try a PSU and go from there.

Sam
 

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Ok I don't know to much but I know a little. I can't figure out how to wire my power button and reset ect pins to my ECS 915P-A motherboard. I lost the book so I can look up what pin goes wheres. Please Please Please Please help.
 

Answer:My computer won't turn on

The link to your manual: http://eudownload.ecs.com.tw/dlfileecs/manual/mb/eng/p4/915P-A(3.0).zip

The pinout's will be in there.
 

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we just moved and now when i turn on a few secs. it turns off?
 

Answer:Computer won't turn on

because of the move, first thing that comes to mind is loose conections and/or overheating
 

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Ok when i turn on my computer it comes on for a cuple seconds and then shuts off and comes back on agin but nothing happens on the screen

i think it might be the ram my motherboard takes ddr400/333 and my ram looks like ecc ram

but when i take the ram out it dose the same thing? so can anyone help?
 

Answer:Help when I turn on my computer it does nothing

for starters, the motherboard won't work without RAM installed anyways, so that's not really a good test. did the computer recently suffer from a power surge or have you changed any of the hardware recently? lastly, what is the brand and model of the motherboard and power supply, or if you bought the computer at a store what manufacturer/assembler (i.e. Dell, eMach, HP etc...) is it?
 

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During a Windows 10 update, my Acer aspire one shut down. Now it will not turn on at all. Please help.
 

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I have an emachines T3256 windows XP that won't turn on.
I don't remember the make of the computer, but it has been 2 weeks now.
The power in my house had completely turned off (computer was on at the time), and when it restored the next morning the computer had no sign of life.
Please let me know what I need to do.
I checked all the cords and power switches...
 

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Does anyone have any ideas what to do? Everything else plugged in is on but the computer itself won't turn on.
 

Answer:computer won't turn on

What brand or model of computer, and how old is it? Give us the information off the label on the back. Desktop or laptop?
Are you good with a screwdriver?
Do you live in a big city, or a small town, because we need to help you find parts or a tech help.

Did you do something different? Like add a new video card, or memory, or other component?
Do any lights come on anywhere? Red, orange, blue. Is the screen totally dark at all times.
Can you get it into a position where you can see the back of the computer?

Usually, the problem is one of these:
Failed or dirty power supply.
Failed or dirty power switch
Failed memory module
Failed video graphics port, if PCI
Failed hard drive, though most will give you something on the screen
Failed or dirty CPU fan.
In some cases, a failed audio card or modem, or usb card in a pci slot, if it fails electrically, will cause everything to stop.
There can be other problems such as a bad CPU or bad motherboard, but they are exceedingly rare.

To begin checking it, it is helpful to look at the back of the machine. At the top of the back is a power supply with a fan. Get somebody to attempt to turn on the power while you watch with a bright light.
If you see the fan blades turn 1/8 turn or up to 3 turns, then stop, that usually means your power supply is bad.
Next, are you sure that wall socket is good? Strange things happen. Plug something else in there to be sure it is working.
You can buy and replace the power supply for $30 to $50. But if... Read more

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Alright, so I'm new to this forum, so please excuse if I'm doing something wrong. But a few months ago I purchased a custom-built desktop from someone. My intent was to use it for minor-gaming, and so I did. It worked for a month or maybe a little more than a month and all of a sudden one day I got home from school and I tried to start it up, and it didn't turn on. It was working fine the night before, and the next day, nothing. I don't know what could have happen, but my father unplugs things every morning before going to work, maybe that could have done something. I opened it up to look around. One thing was unplugged, that was the power LED, the other thing is the ATX SW however, that was plugged in. I messed around with it for awhile and nothing seemed to work. I then shifted the wires a bit, and what I got from it was a blue LED light on the power button when the system is powered on. That didn't happen before from what I recall. I also took out the PSU and tested it using the paper clip method, and the method worked, the PSU fan was spinning, but when I plug it back into the MOBO, it doesn't work, nothing turns on but that blue LED light on the power button in the front. No sign of power, no fan, or anything. I also tried to remove my 4gb of ram memory, that did nothing. I don't know what else can be done, help please? I spent a decent dollar on it..

Answer:Computer won't turn on!

When you say the "power LED was unplugged" do you mean the front panel headers? E.g., the 2prong wires for the power switch, reset switch, power/hdd LED's, etc? If so, are you sure those are all on the right pins?

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Hi guys,pls help me..my computer is dead..this is what happens..This morning when i try to on my desktop, the cpu beeps..it beeps 2 times quick pace follw by 8 times on a slower pace..and den follow by 2 separate beeps..after that i could hear the window  7 start up tune..but my screen is blank at all..i can't do anything with it..please help me..These are my desktop's specsMotherboard - msi H55M-E33Intel core i5-760Geforce GTX 4604Gb RAMAndyson F500MLG monitor Flatron E2050I hope it helps..Pls give me advice..i'm really really a noob with computers..=(

Answer:My computer can't turn on

You need to go to the website of your bios manufacturer and check the beep code errors.

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I own a Dell Dimension E510, which stopped turning on a few weeks ago. At first, it wouldn't boot into windows, but the power button would flash orange (like stand-by).

I brought it in to a PC shop, and they cleaned a lot of dust off it, which made it work for a day. However, it wouldn't even respond when I pressed the power button on after that.

I brought my PC in again to the shop, and they figured it was the power supply. So, I replaced the power supply, and the power cord, and it worked fine in the shop. However, when I returned home, it still wouldn't turn on.

I figured it was the power outlet, but it wasn't. My computer wouldn't turn on with any of the outlets in my house (which work fine).



So, I'm left with this problem: My PC turns on in a neighborhood store, but won't turn on in my house.

Please help!

Note. I posted this previously in the 'Other Hardware' section, but I'm not sure how to delete it (I'm not trying to double post)

Answer:Computer won't turn on

Maybe your computer needs more power then the socket seems to be giving it. Is their anyway that you could try it round a friend or neighbours house maybe?

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UPDATE: My motherboard is not dead anymore. I was able to turn on my computer after a few hours of just waiting. I still have no idea what went wrong.



Another one of those "is my motherboard dead?" threads.



Long story:

My computer was fine until I tried to install a PCI sound card. After installing the drivers, I couldn't get any sound, so I started connecting my headphones to all the other jacks. In doing this, I noticed that the card moved around as I pushed. I tried to push it back to the bottom of the PCI slot while the computer was running. It made a scary "tsst" noise but the computer didn't stop working.

I turned it off and checked out the card. Turns out the screw that was keeping the card attached to the case was missing (it probably fell out).

I pushed the card back into the slot and secured it with a tighter screw, then tried to turn the computer back on.

Nothing happened. Not even the fans had started.

I checked the power source multiple times. I flipped the switch on and off, I disconnected and reconnected the power cable several times.

Then I checked the motherboard. I took out the sound card and disconnected all drives. The only think I couldn't take out was my TV tuner card, because the antenna slot was blocking the exit (I don't remember how I managed to fit that card into the mobo, but it was a nightmare).



Short story:


I handled my new sound card too roughly and now the compu... Read more

Answer:Can't turn my computer on

Time to have a skilled tech with instrumentation check it out... or just buy a new motherboard, as that will be cheaper... except for the software.
 

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I will be in the middle of something while I am on the Internet and it just turns off and then on again and sometimes several times.

Answer:Why does myt computer turn off and by itself?

could be heat or a hardware problem. remove the case (if not still under warranty) and blow out the dust, with a can of compressed air only.larry

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Hello guys.I desperately need some help her please.Overnight I turn my pc off at the wall and the other day I came down and plugged it into the mains. To my surprise my pc automatically started to boot up. However it does not boot up to my desktop screen, it sort of freezes.Can anyone help me please...desperate to retrieve my photos of my wedding and pics of my little boy.Much appreciatedAMcK

Answer:Why does my computer turn itself on?

Loose connections inside shifted after the PC was moved?Hit F8 repeatedly after switching on, before the XP (?) logo appears - select Last Known Good Config or Safe Mode.

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Hi all I have computer question when the computer will not turn on no moise no fand moving its more likely a power supply is gone .I found out some computers that if every thing in side not firmly connent it will not turn on some computer like if power cable to flopping or CD ROM is not firmly connent it will turn on . why is this is this some kinda fail-safe mode ??
 

Answer:computer will not turn on

double post
 

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I was having problems with my computer today, but then again what else is new. I shut it down and it froze on the shut off screen. I turned it back on and was waiting but only saw a black screen. I then realised that the little yellow light that tells me the computer is on, was not coming on. The monitor however, seems to be working fine. I tried unplugging it, plugging it back in. Pressing all the buttons on the tower. Did my system clock go out? Any suggestions on what could be wrong? I know it is hard ware related. Thanks guys.
 

Answer:Can't turn on computer

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My computer won't turn off. What I've been doing is sitting on the off botton for 4 seconds, which works. syrk
 

Answer:computer will not turn off

Hi Syrk,

You don't say what OS you are running. In most all the 4 second shutdown is standard and can be altered in CONTROL PANEL, POWER OPTIONS. Leave it alone and just tap the Power button. It should shut down same as if you went through the Shutdown procedure. Easiest way.

Good Luck, Jim
 

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I am looking at a computer for a friend of mine and I cannot figure out what is wrong with it. This is a Sony Vaio computer and the problem is simple: when I press power it will not turn on. I have not yet checked the wires inside of the tower, but if anyone has any ideas that would be great.
 

Answer:Computer will not turn on

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My computer won't turn on at all anymore. My monitor is working for sure. I can see everything light up inside my case so I don't think that it's a problem with the motherboard. My HD was making some loud clicking noises so I'm assuming that isn't the problem. How can I check to be definite that it's my HD and not my GPU? I'm running an old 8800GT, but don't think it's dead.

edit: My bios isn't loading either now that I think of it. Before, if I turned it on and off a few times eventually it would boot. Now, it's just a black screen. All the lights are on for it though.
 

Answer:Computer won't turn on

Tried a new power supply?
 

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Hello,

I was working on my medion computer this morning, when suddenly it turned off, and it is now refusing to turn back on. I have done what it advised me to do in the computer manual, which was to turn the power supply off, press the on button for ten seconds then turn the power supply back on after five seconds and turn it on.

When it crashed I was using:
Windows Media Centre
Windows Media Player
AOL Vista Ready

I have tried the following to get it to work:

Change which socket I use
Change the cable
Leave it for a while
What the manual said
Unplugging all connections and trying to start it

Does anyone have any other ideas I could try or know what is wrong with it?

Thanks

Answer:Computer won't turn on

HI dan ..

try using a different power supply .. there are other things that you could try first like removing all the power cables to HDD's & CD\DVD's, removing everything but the CPU & CPU FAN and power supply connectors from the motherboard and then try powering on again but I reckon it might be easier to raid one of your other PC's for a similar power supply and see if it boots using that .. and at the same time the other power supply could be checked on a working PC to see if it works .. just take care doing it ..

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The store I work at has a computer they use for company e-mails and whatnot.
When I went in yesterday one of the managers told me it wasn't turning on and he though the PSU was dead.
They already ordered a new one, and I'll probably have first dibs on it to cannibalize, but wanted some opinions.

All the connections are secure, but when you push the power button it doesn't turn on.
I sniffed the PSU and it doesn't have that electrical short kind of smell.
But there is a really high pitch tone coming from the PSU (or at least I believe from the PSU), almost too high to hear.

I'm going to cannibalize it anyway, just trying to figure out if it is the PSU or not.
If I bring in a spare PSU then I can DBAN the HDD and take it too, otherwise they will destroy it (sensitive info).
Would rather get it with the HDD as that is the most useful component to me.

Answer:Computer won't turn on

Did you try reseating the RAM, CPU, GFX (if any)?

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Question: turn off computer

Over the last week or so I have as always gone to start and then to turn off computer only to find that it wont, can anyone help me with this please, I have an Evesham machine with XP.Thank youColin

Answer:turn off computer

Have you tried a system restore?

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I canīt know when it is going to turn on... Sometimes it happens, and the most of the time the power button turns on and keeps twinkling, they keyboard twinkles... but the screen is all black. The twinkles are aleatory.  Could you please help me?Regards,

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I got out my old PC because I need a file on it and I set it up and it won't turn on. Where should I look to try and fix it? Any suggestions?
 

Answer:Computer won't turn on

Power switch or power supply. Watch the fan blades at the back opening of the power supply as you press the power switch. If they turn 1/4 to 1 turn then quit, it is the power supply.
Used ones for an old machine will work fine. About $5.00 Easy to replace with a Phillips #2 screwdriver, removing four screws, then unplug a few cables, plugging new ones in the same place.
 

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hello I just signed up. I hope this is an active forum because I don't have a lot of time to fix this problem as I am going away soon.

I am posting on a laptop right now, but less than 4 hours ago I was on my computer. I took an hour nap and woke up and it was turned off. Usually it just turns itself to sleep mode and you hit the pwr button an it loads back up...

Well it didn't load back up it was off. There was an electricial smell so I unplugged it and checked around. The power supply felt very warm but other than that everything seemed fine.

It does not boot up at all. I press the power button and the fan lights blink for half a second, the side an top fans spin for half a second, an it turns off. No sounds or anything.

I tried pluggig it into a different outlet, same thing.

Please help why did this happen? My computer is cooled properly and the temps are always good to my knowledge

Answer:Computer won't turn on

What temps are you getting? I do not think this is heat issue.

Try turning off your PSU or pulling the plug, pressing the power button to release any charge. Put it back the way it was and press the power button.

If nothing works, disconnect and reconnect everything internally. Look for anything out of place, blown capacitors, charring on anything.

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Hello everyone,

I have a 5 year old machine, a gateway, with an Intel Pentium 4 - 3GHz. Windows XP Pro SP3.

Here's the problem: A few days ago, I noticed that my computer was off, when I thought I had put it on "stand by", but then it started normally when I pushed the button. This happened a few times, then I noticed the clock was off by an hour. And then it wouldn't turn on at all, I checked that it was getting power, and it was, I plugged it back in, pressed the button and it booted up normally.

OK so I thought the battery was on its last leg, so I replaced it. I thought the problem was solved, but it isn't. With the box open, and the power on, I noticed a very high pitched sound maybe coming from the motherboard (I can't be sure). there is this green LED on the motherboard, and the only way to start the computer is to disconnect the power for a few seconds (until the green LED goes off) and then reconnect the power and push the button.

So I wonder if I should replace the motherboard or the power supply. I ran a benchmark with the CPU at 100% for ten minutes and everything stayed cool (thanks to the 13.5 Cm. cooling fan) and the voltages stayed normal, so I don't think its the power supply.

Is there any other way to diagnose this problem? I know the power supply is usually the first suspect, but the on/off switch goes to the motherboard, so it controls the PSU.

Thanks in advance for your advice.
Aloha
 

Answer:My Computer won't turn on

power supply even when it keep voltage. change battery on motherboard the clock after replacing should stay at all time. Why power supply?? tell me the brand. check brand and google feedback about it propably is the cheapest one
 

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Hi guys, I need help with Packard Bell Windows xp sp3 around 4 years old, cant remember specs sorry. I bought off auction site 1 year ago and after running ok for 2 months it started turning off randomly and then would be fine for another few weeks then we couldn't turn it on at all. Moved house and decided to reconnect again after it being idle for 4 weeks and it worked great but realised it only turned on if we disconnected power supply completely the night before. Run Everest and overheating was not a problem so decided to put new power supply in but did not solve the problem. However a couple of weeks ago my daughter did not pull out plugs when turning off and now it will not turn on at all. From my research online I suspect its mobo but wanted to check with you guys before expanding my skills to replace my first mobo....
 

Answer:And now computer will not turn on

Hello Kiwi, lol.

I assume this is a desktop?

One of the main indicators for a bad motherboard are swelling and or leaking capacitors which look something like:

Blown and Swollen to extreme

Swollen and leaking

Another indicator can be that no "lights" are coming on the mobo when your turn it on.

If you pull it apart further try and get any info of the mobo that you can like "MSI-7060 Ver.1" for example.

If you do think you are going to have to replace it you will need a similar one if you want to recycle all of the other parts.
 

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Please just someone help me











Solved!
View Solution.

Answer:Can someone help me my computer just won't turn on I tried c...

So something is wrong with my computer it just won't turn on I tried charging it but the light won't turn on id everything to make it work but nothing so just please help me

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Hey, I'd really appreciate some help on this.

My computer will not turn on after it's been disconnected from mains power. Normally, if it's off (standby) it will turn on as normal at the press of the power button, but not when it's not had mains power for any length of time. I've opened it up and the connections seem good. Also, the motherboard light is on.

This is not the first time this has happened too. When this has happened before I had to press the power button dozens of times until it came on (and afterwards worked perfectly) but I must've pressed the button a hundred of times and it shows no intention of turning on.

Thank you in advance.
 

Answer:Computer won't turn on

As i have the same problem with both my PCs I leave them on 24/7. On the rare occasion I do turn them off I don't unplug them because if I do have them unplugged for more than a few hours I will then have to plug them back in but not attempt to boot them for at least a day before they'll reboot. I'm guessing at some sort of capacitive effect coming into play. So unless someone else can come up with a definitive answer (in which I'd be interested) I'd suggest at the least leaving them plugged in, with the power switch on the back left in the 'on' position ans just use the "power" button on the front to turn the PC off.
 

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My computer started to turn off and back on all by itself and now it will not go on at all. I have tried plugging it in to other electrical outlets in the house but it still will not work. I flip the switch and all that happens is I here a faint humming. I get any light or anything.
 

Answer:The Computer will not turn on

Hi Allen,
Welcome aboard, Not much to go on but if the problem was off and on before and it does do something now [faint humming] I would say the power is getting to the primary of the powersupply at least and the problem could be in the secondary&rectifier section or the connections between the powersupply and the devices it supplies. Someone will have to open the case and do some checking.Power supplies are not very expensive and a loose connection shouldn't be too hard to find .
Good luck, Bob
 

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Why won't it turn on? I have a HP desktop (DC7100c) and I turned it off last night and now it won't turn on. There is a green LED light on the motherboard that blinks approximately twice every second. I've tried jumping the PSU (Power Supply Unit) and the fan turned on.. Hmm.. So the Motherboard is on, blinking green, and the power supply works but I still can't get it to boot?? Why??? I'm COMFROOSED.

I've also tried to hold down that button in the inside with CMOS on the side of it but still, no luck.

I wish I had the money to get this fixed but sadly I don't. Hopefully someone can help me here. I also have Yahoo messenger (Phone call optional) if someone think they can help me with this problem.
 

Answer:My Computer won't turn on?

Do you get any beeps when you switch it on?
 

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Okay, so this is a little embarrassing, but my desktop won't turn on. It was working fine yesterday, so I opened up the side panel and after blowing out a little dust, making sure things were connected, I tried again. It looks like the power source is working just fine as there's a light on it when it's plugged in, so I don't think it's the problem.

I don't know what else it could be. Any help would be appreciated!

Answer:Computer won't turn on

is there a led lit on the mobo? this would confirm a proper connection to the Mobo.

could start re-seating devices. there could be a short somewhere.

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I had just recently purchased this computer;
http://www.newegg.com/Product/Product.aspx?Item=N82E16883229340&nm_mc=AFC-C8Junction&cm_mmc=AFC-C8Junction-_-na-_-na-_-na&AID=10446076&PID=4082247&SID=skim3687X620620Xb850093c847b4a3fb46e88d1dfdf50b4

I had only used it for a day and then the next day it wouldn't even turn on. I have tried everything that I can think of to fix it. From unplugging it and plugging it back in, changing out the power cord with a different one, trying to plug it into a different location in the house, turning the surge protector on and off, etc. I opened the side up and everything seemed to be in place and nothing was obviously unplugged.

Any suggestions / ideas? We do have a warranty but when we called we got put on hold for an hour + and gave up. We will probably call them again Monday I just wondered if there was something else that I should try before calling it quits and switching the computer out completely.

Thanks for any help~!

Answer:Computer won't turn on.. ):

Time to go write a review.

Is the switch on the back of the power supply on?

Totally Dead?

Warranty, then do nothing that could give them an way out of the warranty.

Good Luck
Roger

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My daughters computer will not turn on
Windows xp
acer
windows media edition
 

Answer:computer will not turn on

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I decided to upgrade my computer so I bought:
QDI P2PE/800 Pro Pentium4 478pin DDr400 Motherboard (533FSB)
Intel Celeron 2.0 Ghz 128K 178Pin 400FSB OEM Processor
Dynatron Heavy Duty Haetsink & Fan w/ Thermal Paste
512MB PC2700 333Mhz DDR &
Dynex 300 Watt ATX12V Power Supply
Well I put my antistatic wrist wrap on and put it all together. I checked all wire connections and was good to go. I turn on the power supply (the red light on the motherboard light up so I knew I has power) then I hit the power button, the green LED light flashed. and nothing happened. I know the connection are right I triple check. So any ideas??????
 

Answer:Computer won't turn on

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I am not sure what happened, but this is the story. My son put together a new computer for me. I wanted to keep the old one for the kids for school and older games. He transferred some info from the old hard drive to the new, and put the old one back. I turned on the old computer and it started up and ran fine, but I noticed a rhythmic clicking the whole time it was on. The nest day we used it again and there was no clicking. The third time we tried to turn it on, nothing. No power at all. I had a feeling the computer was on it's last legs, that's why my son put together a new one. It had been making a lot of noise for many months. I don't know where it was coming from, but it was kind of a grinding sound. It did not do it all the time either. I would really like to get it running again so it could be used any ideas as to where to start? Is it the power? Is it the motherboard? Is it the hard drive? Is there a way to check these things before purchasing new ones? Thanks!
 

Answer:computer won't turn on

It sounds like the power supply. Most computer shops will test your power supply for a small fee. If it's just going to be a beater computer, then a cheap power supply will suffice for about $30.00. Make sure it outputs at least 350W though.
 

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A friend of mine has a dell dimension 4550.When she starts up her comp she receives 6 beeps.She says they are long beeps.According to the dell website tech service 6 beeps is a keyboard controller failure and to try and reseat the keyboard connector.I was just curious if it may possibly be something else.Thanks in advance
 

Answer:computer will not turn on

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P4 2.8
1gig ram
XP


I know there will be alot of different possible answers but I figured I would at least post it up. I built my own computer a few years ago and it's been running great. I was having a heat issue at one point but I layed down some arctic silver and that fixed the problem.

Well two days ago my computer just started freezing randomly. I'd have to turn it off and back on only to have it freeze whenever it felt like again. (It could be 3 minutes in or 2 hours in).

I opened up the case and blew a bunch of dust out. Was hoping that it would fix this issue. It didn't.

I took the heatsink off the cpu and figured maybe I should clean off the CPU and heatsink and place new arctic silver onto it. Well when pulling off the heatsink the CPU was stuck to it and I bent two prongs. After swearing at myself I carefully straightened them out so they looked like all the others. After that I completly cleaned off the heatsink and top of the cpu. I place the arctic silver on, spread it out evenly and placed the CPU back on the motherboard. It fits back into it's spot nice and the little lever goes down to hold it in place. I attached the heatsink, closed up the case, re-attached all the cords, flipped the swith in the back of the computer, hit the power button..... and nothing! I checked to make sure everything was plugged in ok and everything seams to be in tip-top shape.

Now I know that it could be a multitude of things ... Read more

Answer:Computer won't turn on!

1. did you slapping yourself loudly? If you does, can we have a video of that?

2. Welcome to Techspot, Fetter.

3. Sound like your power supply is shot. Please have the power supply tested to confirm that problem. If it does, here you go. Buy another one, it should cost you 20 to 40 bucks for generic one ( last 5 to 1 years ) or you will have to fork over 50 dollars for a quality one, such as enermax.

4. Like you explained, that you have a heat issues in the cpu area, i suggest you to go out and buy the dual fan power supply to eleminate the air circulation waste.

5. Did you bent your Pentium 4? Did you break off any pins? Can you please take it off and confirm that?

6. To make sure, your motherboard and power supply is on, you will need to refer to # 5 and # 3. Try # 3 first.

7. If you have to buy new pentium 4, the used pentium 4 should cost 15 to 70 dollars, no big deals. Make sure to check it up on tigerdirect.com

By the way, I can see the Pentium 4 3.0gHZ for 77 bucks. It is affordable. Plus, I don't think you have a HT compatible motherboard, since you haven't indicate what kind of board you are using. Please give us your motherboard information, so we can determine if you are able to run in HT.

Here is the link.

Thank you and please come back here more often.

Regards Lucan
 

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About a few days ago i was playing a game on my computer then it froze so i had to manually shut if down by unplugging it .

And now it wont turn on at all , whenever i press the power button a green light just blinks and dies . I checked inside the computer and all there was inside was a little green light in the motherboard . No fan no nothing . I tried removing graphics card , hard drive and reconnecting everything , cleaned everything and it still wont boot .

Im new to this forum by the way , so please tell me if im doing anything wrong
 

Answer:Computer won't turn on, help

We need to know the brand and model, as well as age, and configuration including operating sytem, cable connections, switches, batteries...
 

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My brother needed to use the computer this morning and when I came down he said the power button got jammed. So, then I turned my power supply off and then got the power button un-jammed. However, When I switched the power supply back on and pushed the power button which seems to work fine. The PC doesn't turn on. Help. Any Suggestions would be nice.

(a green light is blinking on the mother board near the cable that connects to the power switch.)

This is my beloved computer.

Thanks for any help again.
 

Answer:Computer Does not turn on!

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I have hp hour pavilion dv7-6163us computer. It's 5 and half years old. I am not sure if it's 32 or 64 bit. It won't turn on but white light flashes where the plug goes. I haven't had any problems other than loud fan noise which has been for about a year. I have tried removing the battery and pressing power button for 20 seconds, then replacing battery and trying to turn it on, but that didn't work. Please let me know if there is anything else I can do. Should I start with a new plug and see if that works? Thank you.

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Here is what happened. I was plugging in all the cords in the computer and turned on the power. Then I pushed the computer in under my desk ( the computer is on a carpet floor). As I pushed it in, I saw a spark from the back of the computer and the computer turned off. Now I cant turn on the computer anymore. I mean nothing happen, like there is no power at all or anything. I mean if the video card is burnt, you still be able to turn the cpu on and see some kind of power right? But in my case, there is no sign of power.

So Im wondering what could it be. It seems like the power supply is messed up but Im not sure. If anyone can help me please reply. Im greatly appreciated. Thank You
 

Answer:My computer won't turn on

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Story: I was performing a factory reset on my computer because it was running slow and I have all my work saved on Google. During the reset, I thought it was frozen at 31% completion. Me being an idiot, I pressed the power button to turn it off. Now it won't turn back on. I can get to different boot up menus, that is about it. I also got a Windows 10 recovery disk to get it back but the computer doesn't want to read the disk when it is in. Can somebody please help me? I have an HP Pavillion 23".

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HI everyone.

Recently i bought a new custom made computer from the online store Nirv Australia through ebay. I used it well for 1 day just installing anti virus and a few games and such nothing major, and then last night i went to dinner with the computer on and when i came back 20 mins later it was off. I cannot turn it on now. Although everytime i hit the reset button on the motherboard or turn the power off and then on and try to start it up all the fans and the blue lights will start up for a split second, (the lights flash blue and the fans move a tiny bit).

I've contacted the maker through email but they havn't replied and i was wondering if it was a small issue that could easily be delt with from the help of someone on here.

Has anyone ever encountered such a problem or can anyone help me with it?

Thanks so much.
 

Answer:New Computer won't turn on!

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I fear that I've done something extremely stupid to the CPU. The CPU cooling fan has been extremely noisy, so I was wanting to change it. I'm living in Kenya and finding a fan to replace it was not as easy as in the USA.

Someone suggested using WD40 on the fan. So I removed the fan (No I didn't spray WD40 inside the computer!). Wiped the fan dry and allowed it to sit for a few hours. Then I connected the fan to the MB (only the electric connection, I didn't put the heat sink or fan on the CPU) and covered the fan in a paper towel to catch any WD40 that might spray out. I turned the computer on for maybe 30-60 seconds maximum to allow the fan to spin. The computer shut itself down. It never did begin to boot. It gave me an odd one line message that I can't remember. It seemed to mention something about pooling.

Now it won't restart at all. Sometimes when I push the on switch, it lights up briefly and the internal fans begin to spin, but for 1-2 seconds is all. Then nothing as if there is no current. I've checked all the electrical connections, the UPS, etc.

Could I have ruined the CPU? Any other possible sources of this problem?
 

Answer:Computer won't turn on - CPU?

Um, well i can say unless you ran it for hours you shouldnt have damaged the cpu. I acidentally ran a P4 for 1 1/2 hrs with the fan off because of a bad fan port on the mobo didnt hurt it just really bad performance. Try clearing the CMOS by pulling the battery or moving the jumper that is around the battery over and back.

and wd40 attracts dust its like a film of dust grabbiness, i put it on my ceiling fan to see if it worked and it attracts dust...
 

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Hi I was on my computer this morning (Hp Pavillion Running windows 98 ) And I went to click on a link and the screen turned black I thought it might have been the monitor but now the computer won't even turn on .Is it fried ?I hope not because there is stuff on that computer that I can't get from this one

Thanks
Cindy
 

Answer:Computer Won't Turn On

MAKE SURE ITS PLUGGED IN IN THE WALL AND THE BACK OF THE PC!
if that doesnt work, open up the case and make sure all the connections are connected good.
if that doesnt work, the power supply has probably gone bad.
i would try swapping them out if you have a different PC or buying another one and try that.
 

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when i turn on my computer all that happens is the fans start turning and that's it
 

Answer:computer won't turn on

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Ok, so a few weeks ago I tried turning on my computer and nothing happened. Someone told me it's probably the power supply, so I got a new 500W one, (had a crappy brand 450W before), but the problem still remains. When I connect the power supply to everything besides the hard drive the computer turns on ok, but when I connect the hard drive as well it won't turn on. (I know it's not a problem with the power supply, since thef ans move for a sec. when I try to turn on).
Anyone got any idea what might be the problem?
 

Answer:Computer won't turn on.

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Hi,
recently, i had my PSU literally blown up.
i hooked it up, and it started i dunno, i guess blowing up is the best word to describe it.

So, afterwards, (it was a 650 Cooler Master PSU) i got a 250W PSU and plugged it in.
the light in the mobo turns on, the little green electricity indicator, but the computer wonīt turn on.
i press the power button a million times, but it wont turn on, no light will turn on, no fan will turn, no little electricity sounds... nothing.

So, what is it? i dont think my mobo or anything else on my pc was fried, so can it be that the new 250w PSU isnīt comptaible with my pc?

I have a Radeon HD4670 512 Vram, m2n4-SLI mobo, an athlon 64 x2 5200+, 2 HDīs 1 is 80 gb and one is 300 gb, and two 1gb ram sticks.

Thanks guys.
 

Answer:Computer won't turn on

"recently, i had my PSU literally blown up"...

Now your motherboard is blown up
 

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My computer shut down on it`s own, i thought it was up-dateing, but when I turned it back on a black screen came on saying about a cpu fan, but before I could finish reading it ,it went back off an now I can`t get it to turn on...my computer is windows 7 and it`s a compaq.it was a year old in may....what can I do to fix it?
 

Answer:My computer will not turn on

Hi srw112457 :wave:

Welcome to :grinthumb

You can read how to post a new thread in this Guide.

Before posting you should read all the Posting Guidelines.

To access technical support you may go to the Forums.

Many users like to post system specs in their Profile.

System Specs are always helpful when you seek support, (see the first two suggestions).
And helpers may ask that you post some of your specs in your thread.

You can access many other online TechSpot guides Here.

Enjoy your Stay
 

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I am rebuilding my little bro's computer and it decided that it does not want to turn on? I installed a new geforce 7800 gs video card two dvd drives and another hard drive. I made sure that one was a slave and one was a master. It is an older comp. it is a pentium 4 with a 300 or 350 ps, think its socket A, 1 gig of ram. I know the power is working because the motherboard has a light on it which lights up whenever i turn the ps on. I have tried to disconnect both the dvd drives and it still did not trun on???? I neeed some help!!!!!!
 

Answer:Computer Will Not Turn on

Are the front case switches correctly placed on the motherboards front panel connector? Did the system power up before you applied the upgrades?
 

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Well, i've had my laptop for about 2 and a half years. i don't use it much for anything, just writing, typing, checking e-mail, listening to music. I was on it one day. I lft and came back and the blue power light was on, but the screen was black. i turned it off and on again, but it was still black with only the lights on. a few hours later, i tried to turned it on and it worked! After that, it would do it again randomly and i'd have to wait two weeks. then it'd be normal with all of my stuff still on it. now i've trying to turn it on for about 2 months and it's only come one twice! yeah. i'm so confused, the compurter is barely used!
 

Answer:My computer won't turn on!!

If you shine a strong light on the screen with the screen blank and laptop on, do you see a faint version of what you expect to be normally seeing?
 

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when i plug my computer to the wall it turn on by itself and doesn't turn off. can you give any idea what wrong thank you.
 

Answer:my computer turn on by itself

Check your BIOS settings, which power management options. The feature you stated is desireable, for example for a kiosk so it would recover automatically when a power outage ocurred.
 

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Ok, I've just got home and my computer will absolutely NOT turn on. I press the power button and nothing happens. Tried checking the power button connection to the motherboard and that the plug socket works correctly but all seems in order.

What's going on!??
 

Answer:Computer won't turn on :(

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