Computer Support Forum

No boot sector on hard disk

Question: No boot sector on hard disk

No bootable device-strike F1 key to retry boot, F2 for set-up utility

Both of these errors are what I get when trying to start up my laptop.

Well to start off I should probably say that I am trying to install a new hard drive. My last one kept giving me a blue screen when trying to boot up so I bought a new hard drive. So after installing the new hard drive and more memory I put the Window's XP cd and this message is as far as I get. Can anyone help???? I do not have any access to the internet while at home so I am having to go to the local library to get on the internet. Not really to much fun so I would greatly appreciate any help that I can get

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Preferred Solution: No boot sector on hard disk

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: No boot sector on hard disk

If this is a brand new drive that did not come in a fancy box, you likely need to go to the drive manufacturer's web site to download their setup utilties. They are usually required on new OEM drives that are not sold in regular places like Wal-Mart, Best Buy, CompUSA and such.
Once setup with the manufacturers software, which takes less than a minute, you should expect no further trouble.
Otherwise, it was probably damaged in shipment, and will be covered under warranty.

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first of all i would like to say hello as this is my first post.

Ok now to my problem. i was given a dell latitude D600 laptop from a friend the only catch is that the hard drive wasent working.

i went out a brought a western digital 80gb hard drive and intalled that. i checked the bios and the board now reads a drive as been there but when i put in my windows XP boot disk i get an error that says

No boot sector on hard disk
No bootable devices strike F1 to retry boot, F2 for setup utility

i have looked around for a solution but most i find use windows to fix and since i cant get windows on there i have a problem.

one thing i would like to know is wether or not i need to intall somthing for the new drive to create a boot sector? ( if thats even possible)

or if the mother board needs somthing to run it?

i would be greatful for any help i can get.

Answer:No boot sector on hard disk

press f2 for setup utility..under setup(cmos setup) find boot order..put your hard drive in the first and exit can test it if will work...

if nothing happens...repeat your installation using windows xp cd, once you got into the windows setup just follow the screen..since your hardrive is new you can format your drive using NTFS file system quick installation.

or else check the jumper first located on the drive should be set to master

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Someone please help, I am a total retard. I got this laptop (well most of it) but it didn't have a hard drive. I got it free so no jokes.... Anyway I went and bought a hard drive for it, Seagate ATA 20Gb, and put it in. The guy at the store obviously lied, but I can't take it back because I bought it in NY on vacation, and I live in KY. HE said all I had to do was plug it in and it would work. Well I put it in and all my laptop would do is keep saying "no boot sector on hard disk". Can anyone pleae help me, keep in mind I am a total ***** to this, I thought I had to atleast get dos or something on it before installing an OS. It is an older laptop, Dell Latitude CPt but has good memory, and a basic processor. Not bad for free I guess, but what do I need to do to make "no boot sector on hard disk" go away?

Answer:No boot sector on Hard Disk

get a retail version of Wndows, install the CD and boot from it.

This will start the install process and solve the MBR issue and give you a running

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Hi all

This is my first post here and I just want to say hi before I get stuck into my problem of I cant boot my laptop. Please please can some one help me?


Answer:HELP PLEASE!!! No boot sector on hard disk

Does it give any error messages when it fails to boot ? also could you post what your specs of the laptop are plus the operating system that your using.

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Hi, I have just recently gotten a new computer which came with Vista. Previously what I have done with any new operating system I got was installed it into my old computer. However, I came to find out you can only have one computer assigned to each cd, unless I wanna buy another one, which is unecessary.

I wanted to get rid of Vista and return to XP but the XP disc would not install because of multiple errors, such as missing ntldr.

So I decided to use deriks boot and nuke to clear the hard drive, and that went smoothly.

Now, here is my problem... When I insert the XP cd it spins for a while and eventually comes to an error screen with:

"no boot sector on hard disk"
"CARDBUS NIC boot failed"

30 seconds or so later I also get this message

"No bootable devices"
Also, when I just start the computer normally, it does go to a screen that says no operating system found, which makes sense.

The weird thing is that the Windows Vista CD still starts up and goes to the installation area when I boot from CD drive, So I know my CD drive is working properly.

I have tried the XP CD in another computer and it works fine.

The computer with the problems is a Dell Inspiron 8500.

Sorry if this has been answered somewhere but I grew tired of reading through threads only to come to a very general solution of booting from the XP disc, which wont work.

Since I used deriks boot and nuke, I have not formatted and repartitioned the drive ( I don't know i... Read more

Answer:Solved: Windows XP Disc won't boot - no boot sector on hard disk..

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Ive just got my laptop back from repair. They have fitted me a new hard drive. I have just put the old one in to get all my work of it only for it to say.hard disk boot sector invalid press H to retryhard disk.What does this there anyway i can get my work backPlease helpThanks in advanceLee

Answer:hard disk boot sector invalid????

Sounds like the MBR is corrupt on the drive. If you are Fat32 you can use this click here after loading it to a floppy disc, then start computer with it

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Hi Guys

Firstly I am apologising that this is so long but I was not sure what info you needed. SORRY (Can you tell I am new to this)

I purchased an EI system laptop (4431) from pc world a few years ago with a 5 year warranty. During the time i had it i had to have 2 hard drives and 3 2 cd/dvd drives. So when it started running really slow even after I restored to factory settings I bought a new dell from pc world and let the warranty lapse on the other. Then a friend of mine wanted to learn computing and I said she could do this on my old one. I started up the machine and it worked ok but slow. I had some pictures on there I didn't want to lose and wanted to put them on a disk but my disk drive was playing up again so another friend of mine told me to disable my internal cd drive and use my external drive. I did this and when I switched the machine on it came up with the following message HARD DISK BOOT SECTOR INVALID - PRESS H TO RETRY HARD DISK, ANY OTHER KEY FOR FLOPPY

I knew something was wrong as it was ok before I disabled the CD drive or was that just a coincidence. I decided the best thing to do was a full system recovery. However when I did that it would only go so far and then come up with PROBLEM IN EXTRACTING PROCESS: FILE WINDOWS\ING\MDMZYXEL.ING, I pressed and it would go a bit further and come up with another file that it could not extract. Eventually it took me bask to the original error screen. I tried again this time it didn't even... Read more

Answer:help!! Error Message - HARD DISK BOOT SECTOR INVALID

Argh Now it is asking me for the Windows Professional CD Rom when I use Home Edition on this machine

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Well, I hope this is the correct forum considering I don't actually have XP Pro installed yet!

Many moons ago (June 2004) I purchased a Dell Inspiron 8600 to take to college. It served faithfully (including after The Great Red Bull Spill of 2006) until several weeks ago when the hard drive failed. No big deal, it's mainly my Netflix computer anyway. However, I'd still like to have it back up and running, so I purchased a refurbished 40gb hard drive off Ebay. I installed the new hard drive and checked to see that it was recognized by the BIOS (it is). When I booted up the computer it said "No boot sector on hard disk. No bootable devices -- strike F1 to retry boot, F2 for setup utility." Of course, I understand that's normal because the hard drive doesn't have anything on it yet.

Here's where the problems begin.

I have the Dell-issue XP Pro installation CD. I changed the boot order in the BIOS so that it would first boot from the CD drive. However, I got the same "No boot sector on hard disk. No bootable devices -- strike F1 to retry boot, F2 for setup utility" error. Well, that CD drive has a history of acting up (despite being recognized by the BIOS), so I went out and got a USB CD drive (the kind with two USB plugs; one is for extra power I guess). Again, I changed the boot order in the BIOS to start with USB. I got the same "No boot sector on hard disk. No bootable devices -- strike F1 to retry boot, F2 for setup ut... Read more

Answer:Solved: "No boot sector on hard disk" while trying to install XP Pro

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I have a Dell Inspiron 600m, Windows XP home SP 2. This morning I dropped my laptop and the removeable hard drive came loose. I pushed it back and when I tried to reboot, it gives a "no boot sector on hard disk. no bootable device, strike F1 key to retry, F-2 for set-up utility" message. After several trials in restarting and pulling the hard drive out and put it back in, it gives an error message saying file system corrupted/missing. I put in the Dell Reinstallation CD, that I used for the current installation, to repair Windows. In the command prompt, when I typed chkdsk /f it says the parameter is not valid. I decided to just do a fresh installation. I chose to install Windows but in the next screen it shows 28616MB disk 0 at Id 0 on bus 0 on atapi [MBR]. It lists only 28616MB unpartitioned space. Why isn't there any list and even any option to delete the previous partitions? Does anyone have any ideas how to fix this?

Answer:how to fix "No boot sector on hard disk"?

Have you run the Dell diagnostics to rule out device failure ( including the hard drive )

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hey guyss i m here again when i m in problem.. sorry for being selfish.. but i m lil busy these days..

anyways .. since last month my laptop is givin me troubles.. like when i switch it own, after the tab screen it gives be black blank screen instead of giving windows logo..

and the screen remains black until i take its battery off, or press the power button for more than 5 secs..

i i have to do it thrice or four times, after i restart or turn it off and then on.. also i have showed it to some repair center, they say motherboard is pretty ok..

now i doubt if my HDD has got some bad sectors,,,

can u guyss recommend me any tool to check that out.. cause it is from hitachi and that too is of 20Gb and i know it is time to upgrade, but jus wanted to make sure, if it is the HDD which is faulty for that black screen..

on hitachi's website i found some useless tools which never worked... can u guyss recommend any diagnostic tool, which can detect and can fix bad sectors..

thanks in advance


Answer:hard disk bad sector

C:\chkdsk /r

checks bad sectors

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Hi All,
I am having Dell Inspiron 1510 with Windows 7 64bit. For the last few months I am having issues with my OS like:
1. I find "The driver detected a controller error on \Device\Ide\IdePort0" error logged into the Event Viewer almost everyday
2. Almost once in a month my system goes to the "Startup Repair" mode and after some diagnostics it says it was unable to fix the error automatically. I tried to restore it to a previous point but I found a error that No OS found.

In the last 4 months, I had to re-install OS 4 - 5 times. Yesterday I ran HD Tune on my hard disk which shows a bad sector (screen shot attached).

Is it the bad sector which is causing above mentioned 2 problems? If so how can I get rid of it?

Answer:Bad sector in the hard disk

Hi neouser,

Please run the on-board 'Hardware Diagnostics' to verify 'Hardware Functionality'. You may refer to the following 'web article': Run Built-In Diagnostics for Your System

If no 'hardware issue' is detected, you may check the disk and repair an attempt using option 2 in the the following tutorial: Disk Check
Hope this helps. Do reply with the findings; would be glad to assist.

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Hi, I bought my ThinkPad T61 5 months ago. But now my lenovo T61 has 4 KB in Hard disk bad sectors. So, I format my lenovo using its recovery (2nd hard drive). After formatting and recovering, there was no bad sectors but using after more than 10 hrs, it showed again 4KB in Bad sectors. So, how can i remove the bad sectors from the hard drive ? And how can I know these are logical or physical bad sectors. With regards,

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i want to know that can i repair bad sector hard disk
hard disk regenarate application it is true or fake

Answer:Hard Disk Bad Sector Error

Use the built in disk check. If it does not fix the bad sectors, other software will not be any better.
Number 4 check both boxes
Disk Check

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how do i fix boot sector problems? i do an AVG scan and results read partition table (MBR) error and boot section of disc C: error please help

Answer:boot sector of disk C:

go here for info...

more here..

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Hi Guys Firstly I am apologising that this is so long but I was not sure what info you needed. SORRY (Can you tell I am new to this)I purchased an EI system laptop (4431) from pc world a few years ago with a 5 year warranty. During the time i had it i had to have 2 hard drives and 3 2 cd/dvd drives. So when it started running really slow even after I restored to factory settings I bought a new dell from pc world and let the warranty lapse on the other. Then a friend of mine wanted to learn computing and I said she could do this on my old one. I started up the machine and it worked ok but slow. I had some pictures on there I didn't want to lose and wanted to put them on a disk but my disk drive was playing up again so another friend of mine told me to disable my internal cd drive and use my external drive. I did this and when I switched the machine on it came up with the following message HARD DISK BOOT SECTOR INVALID - PRESS H TO RETRY HARD DISK, ANY OTHER KEY FOR FLOPPYI knew something was wrong as it was ok before I disabled the CD drive or was that just a coincidence. I decided the best thing to do was a full system recovery. However when I did that it would only go so far and then come up with PROBLEM IN EXTRACTING PROCESS: FILE WINDOWS\ING\MDMZYXEL.ING, I pressed and it would go a bit further and come up with another file that it could not extract. Eventually it took me bask to the original error screen. I tried again this time it didn't even enter the recovery mode it j... Read more

Answer:Hard disk sector invalid message

There may be a number of causes for this problem; one certainly is a HDD failure.Have you tried booting in "Safe Mode"? If so with what result?Have you tried a "Repair" click hereNot knowing exactly how old the laptop is, have you replaced the CMOS battery? Sometime a bad/weak/flat battery causes such problems.It could also be a bad connection, a problem with the IDE controller or a simple(?) corrupt system file that would normally be corrected using chkdsk /f /r or sfc /scannow.

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I am having troubles with hard drives nowadays lol

I got a seagate 1000GB HDD and I started hearing noise after few days

Replaced it with another new one, and I heard some sounds after 4 days of using it

so I tested it using:

Seagate seatool
HD sentinel

the tests say that everything is fine except that it has 2 reallocated sectors

CrystalDisk gave me a Caution with 2 bad sectors

HD sentinel says health is excellent 98% with 2 bad sectors

Seagate tool says there r no problems at all

How can I fix those 2 bad sectors??? I am tired of replacing it and re-installing windows and drivers and my progs so I am trying to fix thos 2 bad sectors on my own

Answer:Hard Disk Reallocated sector count 2

Hello lebdorz!

You actually can't fix bad sectors. You can isolate them so that the system doesn't write to them, but once bad sectors occur they continue to do so and the drive eventually degrades completely. Although, only two bad sectors is not that dangerous or bad even.

Your three softwares have concluded that the drive is healthy. Besides, it's normal for drives to make sounds. Some of them are bad news, but drives make sound at spin up, spin down, at intensive read/writing processes, they are soft windy sounds, not high pitched.

So in my opinion if you keep back ups of that drive and don't see any performance issues, you are good to go and continue use it.


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im buying a defective hard disc for 4 dollars and i want it to be restored using a software

is this possible?

what software to use?

prayer are the only answer for this

just finding my luck

Answer:restoring undetected hard disk have bad sector

if it is physically defective, then software won't help

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Hey there, so I play online games so I disable my firewall and such to increase speed but my roommate must have went onto a bad site/downloaded an infected file or something and now I have this bad problem.

It first started when I would login the desktop load would take like 3 minutes... so I ran adaware, zonealarm, avg free, mcaffee stinger, and regclean. I kept finding little problems, but I thought that I fixed them.

Then firefox and internet explorer wouldn't open. it would go immediately to "program has encountered a problem and needs to close"

So then I ran avg free again and it shows Boot Sector of Disk C: (result: change)

I have tried to run cmd -> sys /scannow, but it says I need a cd for that, though my laptop doesnt.

I can't defrag or error check on C: and I have no idea how to fix this problem. I have my laptop so I can download programs and use an USB to transfer to my desktop, and I've asked friends for an XP o/s cd as I lost mine.

What else can I do.

Thanks so much,

Answer:Boot Sector of Disk C: Problem. Please help

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It always fails to Clone/copy my current hard that has bad sectors, to a new hard disk. My present HDD is a 320GB and its health is really bad. I bought a new 500 hard disk and tried to clone and copy the whole HDD. I tried Paragon HDD Manager, O&O disk image and other two Software. All of them failed to clone or copy my old hard disk to new one.

What is the best solution. Paragon, copied data partially and gave an error at 80%. I tried few times and the same thing happened

Answer:Always fails to Clone/copy old hard disk with bad sector

Maybe try running

chkdsk {drive letter} /f
as in
chkdsk D: /f

on the older drive it will identify and lock out the errant sectors. The "/F" means "Fix" so run it first without that and see what it returns as "Bad Sectors" then try the clone.

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Hi Guys,
i am using a hard disk of 80GB, only for running OS.
Yesterday i got "PC Ran Into Error" or blue-screen death.
i ran sfc /scannow , it was unable to repair error
but with DISM online command, it was 100 repaired system files.

after that i ran chkfsd /f /r /b :C , then it say 4Kb in bad sector.

Now i want to know that is there something to worry about HD
can i continue to use it to run just OS ?

here is checkdsk report...

TimeCreated : 18-Sep-15 12:13:02 PM
Message :

Checking file system on C:
The type of the file system is NTFS.

A disk check has been scheduled.
Windows will now check the disk.

Stage 1: Examining basic file system structure ...
155648 file records processed.
File verification completed.
788 large file records processed.
0 bad file records processed.

Stage 2: Examining file name linkage ...
205650 index entries processed.
Index verification completed.
0 unindexed files scanned.
0 unindexed files recovered. ... Read more

Answer:Hard disk bad sector, PC ran itno error screen

help please

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I am having a problem with my Hard Disk Drive & it seems to be very hard to be fixed as I have tried using Windows Disk Check "CHKDSK Command & "Check Now" button under "Error checking" section under "Tools" Tab, Tune Up Disk Doctor, and Total Format (Not "Quick Format").

Steps I have taken with Windows Disk Check :

Step 1 :
Right Click "Propreties" => "Tools" Tab => "Error-Checking" section => "Check Now" button.

Step 2 :
Checked both the boxes (i.e. "Automatically fix file system errors" & "Scan for and attempt recovery of bad sectors")

Step 3 :
Started scan & it went on for a long while finised without giving a report.


Steps I have taken with Tune Up Disk Doctor :

Step 1 :
Started "Tune Up Disk Doctor" => selected the drive.

Step 2 :
Selected "Thorough analysis" and started the scan.

Step 3 :
Clicked "Finish" button after it turned out to say "No Errors were found".

Steps I have taken with Windows Format :

Step 1 :
Right clicked the volume or the partition through "My Computer" and clicked "Format".

Step 2 :
Kept the "Quick Format" check box unchecked & pressed "Start" button.
And it ended up with some error.

Thanking TSGF and those who are willing to Help me,
&n... Read more

Answer:Error in part of a Sector of a Hard Disk Drive.

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Missing operating system.

That is the message I get when attempting to load windows 7 ultimate. Hard drive is 1 tb samsung, broken up into 3 partitions. The primary/system partition has the windows on it. That is the ONLY one that has a problem. Other 2 partitions unaffected and work perfectly.

Using my installation disc I attempted to run startup repair, it could not fix it. I attempted to run some bootrepair commands from the console of windows recovery to no avail. I am fairly certain this problem is fixable without formatting the hard drive. I have already backed up 2 the other partitions, but would really like to get the "unformatted" partition up and running long enough to get the data off it. TIA for any suggestions.

I found this site by using some tips from this ealier post w a very similar problem i belive

Corrupt Boot Sector for system disk Partition i

Answer:boot sector for system disk is corrupt

I would do a re-install of the OS as that may be quicker and more likely to succeed.

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Hi. I am a newcomer here and looking for help with my Dell Studio xps 13 laptop running W7 sp1.

System will not boot up.
System repair does not work.
Will not boot in SafeMode.
System Restore cannot find a restore point.
Factory Image not found, and unable to reinstall from disk.

I tried the steps below (from Poyol) and got further in the start up process and I actually thought it was going to boot up but still won't open os.

Is there any hope for this Hard drive or is it dead?

Or is there a way to fix the corrupt boot sector?

Thank you in advance for your help.



First things first I'll need you to;

1) Insert your Windows 7 DVD into the disk drive
2) Boot your computer up - if necessary press any key to boot from disk
3) Click on 'Repair your computer' at the bottom of the window that appears.
4) On this screen select 'Command Prompt'

On this new screen type in;

bootrec.exe /fixmbr
bootsect.exe /nt60 all /force
Once this has done type in the following;

attrib -h -s C:\boot\BCD

del C:\boot\BCD
bootrec.exe /rebuildbcd
Hopefully you should see a success message, letting you know that the BCD has been rebuilt successfully

If so;


shutdown -r -t 0
THEN turn your computer back on, remove the Windows 7 DVD, and hopefully this should have fixed your problem.

Once you have carried out these steps, please let me know of the resolution, be it good or bad!

Thank you


Answer:boot sector for system disk is corrupt

Hello Mark, Welcome to TSF

How old is your Dell Studio xps 13 laptop?
For the amount of money that Dell are selling them for, I would expect that it might still be under factory warranty at least, or if not, did you purchase an extended warranty when you bought it?
Another thing, did you get any installation discs with this machine, because they will do the trick; if not, you might be able to contact Dell Customer Support for a set.
They might cost anything up to $50, but don't quote me.
Let us know.

Kind Regards,

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i have coplue of drives in my computer. i installed vista on my new western digital disk, but for some unknown reason boot sector is on seagate disk!!!!!!! and that disk will die soon, so i would like to move boot sector to WD. how do i do that, and that i do not loose any information?

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Here is my predicament: Have a netbook with Windows 7 Starter. It dualboots with Linux. My plan is to remove the Linux partition to make space on the hard disk. Obviously then the boot information, which is a GRUB, should be corrected. How can you edit this ahead of time, to allow a boot with a single entry? A netbook has no disk drive, so there is no repair disk available. Are there utilities like BCD easy or something like it? Thanks in advance for your tips.

Answer:How to correct boot sector without repair disk

You can create a bootable flash drive and use it to fix the MBR.

Looks like the easiest method is to use Universal USB Installer ? Easy as 1 2 3
. Select Windows 7 from the drop down menu and your off.

Here is a link to all versions for download from Digital River: Download Windows 7 ISO (Official 32-bit and 64-bit Direct Download Links)

Download the one that matches what you have use the .iso to create a bootable flash drive 94GB or larger).

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My computer rebooted on its own one day, i was afk but i noticed it, so i went through the windows system log, and saw a hard disk read error so i scanned my disk, there was some errors, i got some of them fixed by using a sea tools boot disk (it is a seagate disk). it fixed some of the errors. but im still getting this..

Is this bad? and if yes how bad is it? I ran chkdsk /x /f /r /b on all partitions of the disk, and i did a defrag too....

Is my hard disk dying?

Answer:Hard Disk Reallocation Sector Count - 0000000000-0541

Use the built in check disk. Use the second option. It will take at least an hour but will fix the problem. If the hard drive is bad additional problems will occur quickly.
Be sure to check the second option, scan and attempt recovery of bad sectors Disk Check

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Hi, iv'e been downloading few programs and games.

Anyway, 2 days ago i received this:

Iv'e reinstalled Windows XP with a full format on C:\ aswell as a format on the partition on the same hard disk drive and nothing helps removing it.
Iv'e tried writing a new mbr still picks up this trojan....
I installed XP and nod32 without anything else and still receive it.....
Iv'e ran COMBOFIX and didn't find anything so.......

What can I do to remove it, try kapersky or diskepper?

I'm going to install Vista Nvidia Edition on my Sata and see if it's fine on there. If so I will have to completely format the IDE drive and delete the partitions.

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Hi! I'll go straight to the point. My OS is Windows 7 x64. I have a 500GB Seagate HDD. I have 4GB of Kingston RAM (DDR3), and MOBO is Asus (not sure about the brand since I am not at home now).

I was using Win2Flash when my desktop suddenly froze. Even the task manager would not appear. I had no choice but to reset it. When it was back on, it would not boot to Windows anymore. All I'm getting is "Reboot and select proper boot device". I have tried to do a repair using the DVD that was used to install onto my desktop. Tried doing startup repair (by following this: Startup Repair) three times with a reboot on each interval. All I'm getting is the same message that says:

"SystemDisk = \Device\Harddisk0
Windows Directory =
Number of root causes = 1

Tests Performed
Name: Check for updates
Result: Completed Successfully
Error Code: 0x0

Tests Performed
Name: System Disk Test
Result:Completed Successfully
Error Code: 0x0

Tests Performed
Nameisk failure Diagnosis
Result:Completed Successfully
Error Code: 0x0

Tests Performed
Nameisk Metadata Test
Result:Completed Successfully
Error Code: 0x0

Root Case Found: Boot sector for system disk partition is corrupt.
Repair Action: Boot sector repair
Result: Failed
Error Code: 0x490".

Thought I'd try what was instructed here: Repair Install starting from Step# 8. I ran an error after following Step# 11 ("The computer started using the Windows installation disc. Remove the install... Read more

Answer:Boot sector for system disk partition is corrupt

Many folks use RECUVA to retrieve files. It is reported to be able to compile your data from drives with a missing/corrupted file system.
You would need to run this on another PC, of course, and it takes quite a while.
There are other programs, some free, some paid, that can do the job also.

On the problem PC, does it boot? Can you get into the BIOS settings?
Is the problem hard drive a SATA drive or a PATA (IDE) drive?

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startup repair wont completeeRecovery total sytem replace wont finalize either...stops at 98-99% and says not enough hard drive space for temp files?

Answer:boot sector for system disk partition is corrupt

What is your model number and Windows version?

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startup repair wont completeeRecovery total sytem replace wont finalize either...stops at 98-99% and says not enough hard drive space for temp files?

Answer:boot sector for system disk partition is corrupt

What is your model number and Windows version?

3 more replies
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Hi All,

My netbook has failed to boot up - it asks me to insert the Windows disc and use Repair Computer

I've loaded this up and ran Startup Repair which in turn has come up stating it can't repair the computer, and I get the following Root Cause:

Root cause found:
Boot sector for system disk partition is corrupt

Repair action: Boot sector repair
Result: Failed. Error code = 0x17
Time taken = 3682mc

My Windows installation is on D:\ drive

Hope somebody can help - I know how to go open up CMD prompt so if anyone has steps from there that would be great.

Answer:Boot sector for system disk partition is corrupt

First Step is to backup your important data. From another PC if possible.

Download Ubuntu Live CD ISO image and burn the ISO image to a cd using Imgburn (how to burn an ISO image using Imgburn). With the newly burned cd boot with it then select "Try Ubuntu" not "Install Ubuntu" access the Windows partition or what ever partition or hdd you which to backup files from by going to the panel on top, select "Go" click on "Computer". Select the partition, or Hard drive then directories, and files you wish to back up, Backup the files to DVD, an external hard drive or thumb drive(s).
Reboot or turn on the machine. As soon as you see your machine's name logo splash screen keep tapping F8. Go to "Advanced Options" or "Repair Computer" Select your language then "Repair Your Computer" An installation of Windows should be detected after that select "Next"

If that does not fix the issue. Do the same as before go to Next again go to command prompt type in


hit enter.

This will take time be patient let it finish.

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Hi all,
I've been searching the net and quite a fair bit of people have this problem but i can't find a fix to it. Also well reading through the articles, I'm not sure if it is a virus or if its something wrong with NOD32 software. I'm using NOD32 antivirus software and it keep popping up with this message "MBR sector of the 1. physical disk contains probably unknown TSR.BOOT virus Can't be cleaned."

The reason I'm thinking its a virus is cause my computer just froze and wouldn't go pass the user login. So i formatted the bootable HDD and the message was still there. I have 2 HDD both partitioned into 2 parts each. So 4 partitions over the 2 drives. I unplugged the slave drive and tried fixmbr and fixboot on the master drive. Booted up with the slave drive still unplugged and ran the virus scan with no virus found. So i turned off the computer and plugged the slave drive back in and booted up the computer and ran the virus scan again. There is was the same virus message.

So I'm pretty sure the virus is on the slave drive, but is there anyway to fix it without formatting? and even so would formatting and doing the fixmbr and fixboot solve the problem?

Please help its driving me crazy as the slave drive has files i would like to keep and theres like 250GB worth of stuff that i would have to back up.
Thanks in advance.

Answer:MBR sector of the 1. physical disk contains probably unknown TSR.BOOT virus

lil_lyly said:

Hi all,
I've been searching the net and quite a fair bit of people have this problem but i can't find a fix to it. Also well reading through the articles, I'm not sure if it is a virus or if its something wrong with NOD32 software. I'm using NOD32 antivirus software and it keep popping up with this message "MBR sector of the 1. physical disk contains probably unknown TSR.BOOT virus Can't be cleaned."

The reason I'm thinking its a virus is cause my computer just froze and wouldn't go pass the user login. So i formatted the bootable HDD and the message was still there. I have 2 HDD both partitioned into 2 parts each. So 4 partitions over the 2 drives. I unplugged the slave drive and tried fixmbr and fixboot on the master drive. Booted up with the slave drive still unplugged and ran the virus scan with no virus found. So i turned off the computer and plugged the slave drive back in and booted up the computer and ran the virus scan again. There is was the same virus message.

So I'm pretty sure the virus is on the slave drive, but is there anyway to fix it without formatting? and even so would formatting and doing the fixmbr and fixboot solve the problem?

Please help its driving me crazy as the slave drive has files i would like to keep and theres like 250GB worth of stuff that i would have to back up.
Thanks in advance.Click to expand...


Ok I'm pretty sure its a virus now as its coming up... Read more

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soltek k8t800 939 board
athlon 3000+
10k rpm raptor
corsair cmx512 3200c2pt
xfx 6600gt agp
thermaltake purepower 420w

this is the first build from the ground up ive done, i installed everything correctly as far as i know.

bios posted fine, i proceeded to install win xp and i get BSOD
BSOD message was 0x0000007b, bad boot sector.

What i've tried so far:
tried the raptor first, no go, i tried a blank IDE, no go,
i tried a IDE with copy of xp to see if it would go to the options screen, it did, kinda strange?,
i mean i know it wouldnt load up to desktop, but if it was something with the controller would it have went that far?
maybe theres something im missing with the BIOS
maybe an option i've overlooked
if somebody has run across this before id appreciate the help,

i spent way beyond my means to get this rig, and it sucks to get BSOD first time you turn it on.

Answer:win xp wont install, boot disk sector error

Anyone got any ideas on this one? It was posted in the Hardware area, but I thought it might better be helped here.

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I have read another thread with this same issue but I openly admin this above me so I am having to ask for info in smaller chunks.

My wife shout down her computer this morning took it on remote location for work today but never booted it up. When she got back home tonight it wouldn't boot up. I don't know what to call these screen but some Startup Repair screen. Just says Repair action: Boot sector repair, Result: Failed.

I downloaded and burned to CD the boot CD for the MiniTool Partition Wizard Home Edition but I don't know what disk I am even looking for. I see 3 partitions listed for one disk.

The only one with a label is BDEDrive and it's 300 MB. The other two have *: as what I would call a label. One is 297.79 GB and the other is 12.34 MB. The BDEDrive is the only with with status of Active. NTFS on that partition and Other on the big partition.

Can some guide me through what I should do next?

Thanks in advance.

Answer:Boot Sector for system disk partition is corrupt guidance.

Startup Repair

System Repair Disc - Create

Startup Repair - Run 3 Separate Times

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This is my problem

- I added a SSD to my computer.
- Windows 7 Home was installed at my C-drive (harddisk)
- I succesfully installed Windows Home at my new A-drive (SSD)
- When I startup I can choose between two Windows 7 installation
The first is the new installation, the second is the old one

- Now I want to remove my old C-drive
But when I do this Windows does not start up.
I tried booting from the installation DVD, tyring repair, but my new installation does not appear in there, so I cannot repair that installation.

Someone told me I had to repair the bootrecord on my new SSD, but I don't know how.
I DON'T want to reinstall windows. I only want to repair or copy the bootrecord on this new SSD so that I can remove the C-drive

Whenever I replug the C-drive everything still works fine. That disk and that installation is fine as well.

Can I copy it from that installation?

Thank you

Answer:create or repair boot sector on an already installed windows disk

Hello Floris I don't know if either of these will help you our but worth a try


Use Bootrec.exe in the Windows RE to troubleshoot startup issues
not having to have to do either of these I am not really sure but they do look similar to each other.

I just found this too wasn't sure if I had seen it but read this MBR - Restore Windows 7 Master Boot Record

NB Remove the old drive first

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Hello,I had a non-system disk installed on my computer, NTFS formatted, ~75 GB. I had to disconnect it, and then when I reconnected it, it was not recognized. After fiddling around with the computer management console, it finally recognized it, but through my efforts, I seem to have corrupted something, boot sector, or partition table, or something, because now it is inaccessible. If I click on it, it wants me to format it.Using various software on the web, I have basically ascertained that it is now comprised of an unknown partition of 74.5 GB, and an unallocated partition of 2.49 MB.Any advice on how to repair this problem, without paying?Any help would be greatly appreciated.

Answer:corrupted boot sector or partition table in non system disk

Try using Disk Manager.... but its an Seagate Software

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I have Windows 7 Professional installed on a Dell Latitude E6510 laptop, and it has a corrupt boot sector on the disk partition. Unfortunately, I was unsuccessful in my repair attempt. Here's how far I got:

When I typed in: bootrec.exe /fixmbr
It responded with: The operation completed successfully.

Good! However, with the next command: bootsect.exe /nt60 all /force
It responded with:
Could not open the volume root directory:
The parameter is incorrect.

Before I attempted the steps above, I utilized the 'Startup Repair' utility. It yielded the following Problem Signature (if this is useful):


Problem Signature:

Problem Event Name: Startup Repair Offline
Problem Signature 1:
Problem Signature 2:
Problem Signature 3: unknown
Problem Signature 4: 0
Problem Signature 5: unknown
Problem Signature 6: 1
Problem Signature 7: unknown

OS Version: 6.1.7600.
Locale ID: 1033


I really don't want to reformat the hard drive, and I was wondering if there were any other method(s) I could utilize. Thanks and my appreciation in advance!

Thanks and take care.

-- KGM1973 --

Answer:Corrupt boot sector for system disk partition (Windows 7 Pro)

If at all possible, I would recommend that you do a full backup of the drive just in case. Like maybe taking the HDD out, plugging it into another computer as a secondary drive, and using DriveImageXML to take a copy of the contents which you can then browse the content of, for later on if you really need to.

Try off a Ubuntu CD or USB (links are in my signature), and then this:
How to fix your Windows MBR with an Ubuntu liveCD*|*ArsGeek

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Hi,My hard drive T60 has bad sector and could not boot, so I could not do rescue and recovery. I want to change to new hard drive, but I want to have all the settings as before. Is there a way? Is there any software from Lenovo can help? Thanks 

Answer:T60 - hard drive has bad sector and can not boot.

Hopefully you created the RnR discs when you got the machine, because you can boot from disc 1 and invoke the recovery/backup process. 

Presently with an X201 and a T500/T410 comboI've owned everything from a 701c up to present which equal a ton of ThinkPads

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Hi, I have recently installed a new Hard Drive for my Studio laptop 1735 as my last one died. When I start the computer i get the above message. Is there some kind of download that I need. I am presently using a friends laptop so would have to use a cd rom on that computer. I don't have any cds other than the original Dell OS disc which says that it is "already installed on my laptop".

Any help would be appreciated as I have been on the dell website for the last two days trying to find out what i should do. I need an *****s guide actually as i do not know alot about the workings of computers!

Many thanks in anticipation osolve this problem.

Answer:No Boot Sector on Hard Drive

Check your notebook's bios and see if you can change Hard Disk settings; probably you'll need to enable something like "IDE Emulation" or "AHCI" for your SATA HDD in bios.

The topic message appears because there is no partition(s)/bootable os on your hdd at the moment.

However, I am unsure why your dell disc's give you that message. Let me know if the above tip helps you or not.

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First of, thank for the help you guys may give. I have a lenovo thinkpad edge. intel core i3 laptop that runs on windows 7.

it was working fine since yesterday. today, after entering the log in password, the computer goes into startup repair mode. after running it, message appears saying windows cannot repair this computer automatically. in diagnostic and repair details, it says root cause found: Boot sector for system disk partition is corrupt. error code 0X490.

I have lot of important data on this laptop that I need. please help!

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I was researching startup programs in Msconfig start tab, comparing those programs to info in Pacs-Portal website. I unchecked two Toshiba bloatware programs and had not select apply. I left the laptop for about one minute and upon returning the “Hard Drive Wipe in Progress” message was in large font on the screen. I pressed and held down the power key until a forced shutdown occurred. At the next Win 7 Home Premium start, the Windows screen showed briefly then Startup Repair commenced. The startup repair diagnosis resulted in message "Boot sector for system disk partition is corrupt", repair boot sector repair action, and 0x490error.

I researched the Windows Seven Forum and found “Troubleshooting Windows 7 Failure to Start”, Published by gregrocker, 15 Mar 2012. I performed these actions in this order:
Bootrec command: Used /FixMbr then restarted the OS. The Windows screen showed briefly, Startup Repair opened and the boot sector repair failed. The same message occurred, “Boot sector the system disk partition is corrupt.” Then used /FixBoot with the same results.
Drive W:, the Linux partition, did not show.
Chkdsk: Ran once and command ran for about two minutes. Messages were “Correcting error in index $I30 for file XXXXX”. This message would repeat once, then “Sorting index $I30 in file XXXXX.” 569,595 index entries were processed. Restarted OS w... Read more

Answer:0X490 error, “Boot sector for system disk partition is corrupt”

It sounds like you somehow triggered Factory Recovery which should have offered you several choices before beginning to wipe your hard drive like that. But if it clearly said that it was wiping your hard drive, then I doubt if it's recoverable even after aborting it.

If Partition Wizard Partition Recovery Wizard is unable to recover the deleted partitions then you can try rescuiing your files to see if they are still there using Copy & Paste - in Windows Recovery Console or Paragon Rescue Kit Free Edition 11.0 Free.

Then you can either attempt to run again Toshiba Factory Recovery, or as a consolation you can do a much better install than the one you had following these steps to Clean Reinstall Windows 7.

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I have this hard drive that I would like to use... only the boot sector appears to be damaged. I recall reading some where that there is a program that can re-allocate the boot sector to a different location on the hard drive (could be virtual - not sure). Does this sound familiar to anyone? Is there a program that can fix / repair / move the boot sector? Thanks in advance.


Answer:Hard Drive Boot Sector Error

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Hey! I have a DELL with Windows XP. My computer has been very slow lately until yesterday when she "died". I'm not computer literate so please be patient!! It started with the regular DELL screen and immediately I get this message: "No boot sector on internal drive - No bootable devices strike F1 to retry, F2 to setup utility". I tried F1and it gave me the same message again. I tried F2 and I get the System screen and I have no idea what to do once I get to the System screen. Thanks!!

Answer:Help - No boot sector on internal hard drive

If your computer was running slow before this could be malware related.If you're getting an error message that there is no boot sector on the internal drive, then being able to boot into Windows may be a problem...since there is no boot sector.Have you tried booting into Safe Mode?  Reboot your computer and before it gets to the Windows boot screen...continually press the F8 key on your keyboard to boot into Safe Mode menu.  Once there, select Safe Mode and press the Enter key on your keyboard.  Let us know if you were able to do this, successfully.If not, then there's a pretty good chance the Windows installation is corrupt and needs to be repaired...and/or the hard drive needs to be re-partitioned, formatted and the operating system needs to be re-installed.Please note:  Before you do the need to be aware that re-partitioning and reformatting your hard drive will result in the loss of all data on that drive.  You will NOT be able to recover any data once you do this.Also, do you have the system recovery CDs that came with this Dell computer?Please keep us posted.

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I was on Facebook and joined a new application then 10 minutes later l get a blue error screen and then the laptop restarted and l did a pre-boot self assessment which found no problems. I then tried to repair my laptop ( an inspiron 1525 windows vista home premium 32BIT SP1) and that failed saying:

"Root cause found:

Unspecified changes to system configuration might have caused the problem.

Repair action: System restore
Result: Failed. Error code = 0x3

Repair Action: System files integrity check and repair
Result: Failed. Error code = 0x490"

I also tried to restore my laptop to a previous setting but that didn't work either. When l try to boot up it goes past the dell page goes onto a microsoft incorporation loading page and then restarts and sometimes it asks me if l want to repair, carry on to windows normally but other times it says:

"No boot sector on internal hard drive

No boot devices-strike F1 to retry boot, F2 for setup utility
Press F5 to run onboard diagnostics"

Setup utlity menu has:
Onboard Devices
Power Management
POST Behavior
-each one has sub sections.

I sometimes get another menu which looks more up-to-date not like the setup menu but has images as well. It has the options to repair, restore to a previous computer setting, factory mode or open up an adminstrative command/cmd window with black background and white writing.

I have just restarte... Read more

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Shut down and went to start up next day and got 'invalid system disk' used another hard drive to pull up my main drive, rann all the virus scans and malware on drive and nothing.. I think I have a bad boot sector on the drive. all programs were working on it when I checked it. still get same message when I make it Master. So how can you replace the boot sector on it to make it work?? Running windown ME...thank you

Answer:damaged 'boot sector' on hard drive

Did you run a scan disc on it?

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I have a Dell Inspiron that is running Win7 Home premium 64 bit and I am getting an error message while booting up it states
"No boot sector on internal hard drive"
"No bootable devices--strike F1 to retry boot"

When I hit F1 it does nothing. I am not worried about losing data on this computer because I have everything backed up. I would just like to fix it so I can use it again. When I first received this message I was able to strike F1 and it would boot just fine but then I tried to fix it on my own. I think I killed the boot sector altogether. I must warn you that I am new to the MBR set up so you will have to walk me through it one step at a time.

Answer:No Boot sector main hard drive

Have you run the Dell diagnostic tool?
If NO, Press F12 at boot, & run the Dell diagnostic tool.

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Hi guysI am running a w2k intel laptop. about a week ago I got a really bad malware prog that completely took over my comp....figured I'd just back up, and reformat my drive...inserted w2k disk, followed install intructions until i got to the "press d to delete selected partition" pressed d and i tryed the recovery console, typed format c:/ then yes and now I get thisCPU speed = 1400 mhzIntel processor update rev 005h completeL2 Cache: 1 mb installedHadr disk boot sector invalidPress 'H' to retry hard disk, any other key for floppyhit H, just repeats the last 2 lines from aboveany other and I get a boot device screen in which nothing worksI have made sure that my boot device is my CD-ROM, from BIOS, but it wont runany help is greaty appriciated!

Answer:hard drive boot sector invalid

What make is the laptop? Some Toshibas and maybe others need you to hold down the C key when trying to boot from a CD.Is your Win2k CD an original or a recovery disk?

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I need to view and search the contents of a disk, sector by sector. I have done this before; but, it was on a FAT32 partition. This one is NTFS.

We're looking for something that was not overtly saved to the disk but that may be in the free space.

Free would be nice; but, cheap will do.

Answer:Need to view the contents of a disk, sector by sector

Look around here, maybe you'll find something useful.

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Yesterday, I was browsing on my computer and heard a weird clicking noise when the CD drive was running. About a few minutes after that, Firefox froze so I did a hard reboot, and up comes this message:

"No boot sector on internal hard drive

No bootable devices--strike F1 to retry boot, F2 for setup utility
Press F5 to run onboard diagnostics."

I have no idea what it means, and I've been everywhere trying to do System Restore using the Windows 7 reinstallation disk, but unfortunately I couldn't create a restore point because my jump drive doesn't have enough space and Startup Repair couldn't solve my problem. I've even tried the bootrec.exe on Command Prompt but I had no idea what to do. This is the first time that this has happened to me. My laptop is a Dell Inspiron 1545 and I have Windows 7 Home Premium 64-bit.

I'm on a tight limb about this problem right now because my warranty expired in early June this year, and I don't have the money for them to look at it, let alone buy a brand-new hard drive. If anybody could help me with this problem soon I will be really grateful, seeing as I use my computer for school and I start my new classes next Monday evening.

Thank you!

Answer:No boot sector on internal hard drive error

I would Check the hard drive with the manufacturer's diagnostic tools.
Hard Drive Diagnostics Tools and Utilities (Storage) - TACKtech Corp.
HD Diagnostic

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hey ,
fixboot is not writing the boot sector properly from the windows xp recovery disk. it claims to but everytime i restart it says its missing the ntldr file right after POST.
chkdsk claims one or more unrecoverable problems.
any idea on what might securely replace that file?

system :
motherboard : gigabyte ga-m55sli s4
cpu: amd athlon 2.6ghz soc 755
hdd: WD 320gb
OS: xp sp3

Answer:Missing ntldr file from boot sector, fixboot not writing properly from recovery disk

You could copy the file over manually using the recovering console, a Linux Live CD or an XP PE CD. Sounds like there may be an issue with the hard drive that should be addressed first.

If there is something wrong with the HD, you need to copy the important data off before it gets any worse.

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hello all,
my laptop recently failed to boot. I decided as it is 3 years old to be rid of the laptop and just kept my hard drive as it has VERY important info on there that i would like to retrieve

i have wired the hard drive into my desktop computer via usb and i cannot get into the disk... windows prompts me to format the disk

in the disk management my hard drive is showing up as RAW and not NTFS (i dont understand what this means) ... i used cmd to run a chkdsk /r and nothing has been fixed

i then downloaded TestDisk and the results have come back as "boot sector BAD"
so i am now running a rebuild boot sector... promblem is, it says
"search mft 196608/976771057"
and i am stuck at this number, it wont go any further than 196608

if anyone has any ideas why this is or any other alterantive methods to rebuild my boot sector to working NTFS so i can actually get my data back that would be great
if anyone would like further information please just ask me. I am desperate to get my data off that hardrive as it has important work files on and i cannot afford to take it to a professional, thanks

- sonny

Answer:hard drive data recovery, boot sector repair HELP!

With a raw drive, you will need to format then use a program like recuva to retrieve the files.

Recuva - Undelete, Unerase, File and Disk Recovery - Free Download

A raw drive would also explain why your computer would not boot.

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We had a 3-week power outage. Before that, I got no warnings for this virus from my antivirus program (Avira Antivir). When I came back 5 days ago, Avira popped up saying it caught a virus/malware program in the boot sector of my second hard drive (Drive letter D) called "BOO/Whistler.A". It did this several times, even though I hit "remove" on the popup. Here's events from the avira logs:

"A virus or unwanted program 'BOO/Whistler.A' [virus] was found in Boot sector of drive 'D:'.
Action executed: Deny access"

"A virus or unwanted program 'BOO/Whistler.A' [virus] was found in Master boot sector of drive 'Master boot sector HD0'.
Action executed: Deny access"

"The file 'Boot sector 'D:\''contained a virus or unwanted program 'BOO/Whistler.A' [virus]
Action(s) taken:
Contains code of the BOO/Whistler.A boot sector virus."

"The file 'Master boot sector HD0' contained a virus or unwanted program 'BOO/Whistler.A' [virus]
Action(s) taken:
Contains code of the BOO/Whistler.A boot sector virus."

At the time it was happening, the notification popped up enough for me to do a full system scan. Avira found Whistler once more, and again denied access. It had another line in the summary about trying to update it's software to deal with this, but my internet was off too at the time. I couldn't update it.
However, I wasn�... Read more

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I recently lost all my data that I backed up onto my seconday drive because of a bad parameter in my boot sector of my secondary hard drive and it now shows up as a raw drive with nothing on it. My primary C DRIVE is healthy and working fine. Microsoft told me I can not use the recovery console to repair a bad parameter on a boot sector located on a secondary non-partioned drive. My question is that is there any free or trial 3rd party software that can repair this bad parameter in the boot sector of my secondary drive? I downloaded a data recovery demo software called Magic Recovery and it was able to retrieve all my lost data, so I know my files are still in tact, but I still want to fix the bad parameter in the boot sector of this secondary slave drive, but Magic Recovery does not offer a tool that can fix that. Can someone please tell me how I can fix this bad parameter thats residing on my secondary hard drive?
The bad parameter in my boot sector is located between 34500 > 32768 on my secondary backup slave drive.

Answer:Bad paramater in boot sector is on my slave secondary hard drive

If it's a Western Digital, they have free software tools for that. Check the drive's manufacture website and see if they offer anything.

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I am using a Lenovo G460 Laoptop with Windows 7 ultimate, Core i3, 3 GB Ram configuration.

As my computer had become slow, I decided to format and re-install a fresh copy of Windows 7 last month. After installation, it displayed an error for a fraction of second saying, windows couldn't install properly. I couldn't read the full message properly as it appeared just for a fraction of second. However, as the windows worked fine, i did all my drivers installations and switched off my laptop. The next day, it was unable to start and automatically did a chkdsk operation and found out many unreadable files and got stuck in the middle during the operation. I had to press the switch on/off button to restart it again and again did a windows installation. Since then, I have to install a fresh windows near about everyday when i switch on my laptiop. On doing the chkdsk operation, sometimes it shows no problems and sometimes it shows many unreadable files.

I am in a state of confusion whether its due to some bad sector/ some hardware malfunction/ any boot sector virus or any other problem. I think if it would be a bad sector then every time the chkdsk operation should detect it, which it doesnt. Please help.

Answer:Confused whether its a Bad Sector/ Boot Sector Virus/ Other problem

If you run chkdsk without the /r switch, nothing is accomplished. You must run chkdsk /r

Alternatively, you can download the hd diagnostic utility from you website of the hd manufacturer, burn it to cd, and run that.

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hi everybody!
I have a dell studio 1536 my hard disk got corrupted a month ago and tried different software could not make it to work so, decided to buy another HD .
my new hard drive is (used) bought in ebay and SMART shows 100% health also tested on dell diagnosetic utility and all tests passed .
So, here comes my problem , the very first time when i poped (new/used) HD into the laptop and started, it showed me the above error ''no bootsector on internal hard drive'' and gave me 3 options F1 retry , F2 setup , F5 dell diganose utility. I ignored it as you all know a HD without system files, partion , or windows would do exactly the same , and i went ahead and somehow sorted windows vista to install . When setup expanded files, it restarted and when dell logo and flash screen passed where it was supposed to boot from C: it gave me this error again , but the vista disk was still there i thought let the cd take care of it as the HD may not have been used after couple formating and wiping. So thought it,s normal, all installation went normal finally restarted again with same error above .
Now if i put windows cd or whatever bootable madia i can get to my windows if i dont hit any key but first it will show the above error and then it will boot other media , even i can access to windows by pressing F1 ''retry'' after message appears and it will boot successfully fast and flawlessly but, windows cant find boot section by its own .
Installed vista and windows 7 four times but same... Read more

Answer:No boot sector on internal hard drive while AHCI enabled installation

When AHCI mode is enabled, is the first boot device changed? it's as if it's trying to read from say a USB stick or memory card slot first, then moving on to the next boot device of Hard disk or Optical when that has failed.

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My company's computer needs to be patitioned and reformat. The system is still working well. I mean, nothing wrong with anything (weird huh?). Ok the hard disk just need to be 'split'. I mean, make drive C & D on the hard disk. I know how to do that... easy... Then the HD need to be formatted & reinstall windows XP. Ok, easy too..

But the main problem occured before I do anything (partition & format). I have my own bootable CD that I usually use for partitioning & formatting.

Ok, i insert the CD & restart.
I went to BIOS & changed the boot order (1st boot: CD-ROM, 2nd: HDD-0 & 3rd: Floppy). Then restart again.
Ok the bootable CD is excellently loaded.
I typed fdisk, then came the first problem. it says something like 'no fixed disk'. I exit fdisk.
Then I typed format c:, 2nd problem occured. it says something like, 'invalid drive'.
I forgot the error message because the pc is in my office right now. I'm currently at home 'begging for help' So the error message is not accurate. sorry..

I think, if I run the CD, the hard disk will not be loaded (or should I say, hard disk failure). & If I take off the CD & restart again, change the BIOS (1st boot: HDD-0) then windows will load! Weird right?

I don't think my CD is 'corrupted' nor broken because I tried to run the CD from another PC. Yes, I can access the C drive from that PC.

Does anyone have any idea of the ... Read more

Answer:Can't format hard-disk nor do partition when using boot disk. Hard-disk failure

It sounds like it might be the bootable CD you've created is not picking up the HDD's/partitions.
To eliminate this as a posibility travel to bootdisk and grab the WinME bootdisk and boot from there. If it picks up the HDD you can FDISK and Format from there.
The other option is to boot using the XP CD and let it handle the formatting/partitioning duties...


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I tried formatting my hard drive using the provided software from the company I bought the computer from, but it did not install correctly. Now there is no Windows or any files of Windows showing up on my hard drive whatsoever.

Whenever I pop in the Windows CD to try and repair or re-install, I get an error that states "Disk Boot Sector is to be modified! Press Y to continue, any key to abort" and once I do, it seems like the Windows options are about to come up, but then it just shuts down my computer. Any thoughts or possible fixes? I'm not sure of the correct location for this thread so I put it here. Thanks in advance!

Answer:ERROR: "Disk Boot Sector is to be modified! Press Y to continue" then crash?

I'd try a bootable hard drive diagnostic that's available from the support website of the manufacturer of your hard drive. That'll let you know if the hard drive is failing and we can move on from there.

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Windows XP sp2 wont boot from hard disk.

After much to do turns out my computer doesnt recognise the hard disk.

I have a seagate 500Gb SATA hard drive, its about a year old, the computer doesnt get hot in the slightest and it shouldnt be dead. I checked the wiring, as far as i can see, its all fine.

only conclusion i come to is that my hard disk is kaput which it shouldnt be. Can anyone give me any other possible solutions to try out before i cry and/or spend money on a new one? theres a lot of data on it i dont want to lose.

If not, ill plug it in to another computer to check, i havent done that yet because it will take me hours - i can only unscrew the hard drive from one side without rearranging the room.


Answer:Hard disk boot failure -> computer won't recognise hard disk

Is your Seagate the 7200.11 series?

We've been seeing a lot of harddrive issues layely that has nothing to do with the drive itself but bad SATA cables aas the cause. Do you have another one you can switch out?

When you say the computer doesn't recognize it we're talking the BIOS here, correct?

Another suggestion is what you have already suggested but I would "slave" it in antother system and see if you can access it that way.

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"no boot sector on hard disk" message - please help


My hard disk broke so I bought a new one and have just restored a backup I made previously with Norton Ghost. The problem is that after re-starting the system I get the message "No Boot Sector on Hard Disk". I assume this means that Norton Ghost didnt copy this over or couldnt so I put the XP CD in, went to the Recovery Console and typed "fixboot" (someone told me this would fix the problem).

Now when re-starting I get no message but just a blinking "-" and nothing happens. Should I have used the "fixmbr" command? or is something else wrong. Sorry im a little bit clueless!

I have now restored the ghost backup again but still get this blinking "-" symbol on startup and using a dos boot disk the computer doesnt even think the c: drive exists.

If anyone has any ideas I would be eternally gratefull

Thanks for your time


Answer:"no boot sector on hard diksk" message - please help

Welcome to TechSpot

I'm not sure about Norton Ghost (I use Drive Image instead).
It would not hurt to format that HD first in NTFS. Make the partition the same size as the backed-up one. If there is any space left, use that for a second partition.
Then do your Ghosting.

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my hp dv6443 laptop harddrive was erased by killdisk to get rid of scripts or whatever was causing the sluggish performance. The windows version was Vista home. When trying to reboot from the original disk recovery cd to get the maching working again, the err2err3 displayed at start up. I have read about creating a bootable cd with partition recovery, but have been unable to figure out how to create one. I can drop the free partition builder programs onto a cd, but I don't know how to make it "bootable". But I may be going down the wrong path. Any ideas? Is this problem fixable, or should I just throw the computer away. Thanks!

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when starting my computer, and no boot disk is inserted, i get the error message:"HARD DISK BOOT FAILURE INSERT SYSTEM DISK PRESS ENTER" when a boot disk is inserted, windows xp starts up if no button is pressed after a boot disk is inserted. I cant work out how to boot from hard disk immediately, and it is set as primary boot device. ANY help would be greatly appreciated!!!

Answer:Hard Disk Boot Failure Insert System Disk Press Enter

Just go into the Bios and (For my motherbaord) in Advanced BIOS Features, set primary, seconday etc boot devices as you like.

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Hi i have a 74 Gb western digital hard drive with C: and D: drives (i partitioned them)
the D: drive has all my gaming applications on it and the C: drive has all the files for windows/and other crap like firefox, etc.

I was once reformatting to XP from Vista and in the middle of reformat my computer shut down causing a major problem. the answer was my graphics card died... now i have an EVGA 256Mb 8600GT with DX10. I brought the drive to my neighbors house and he can use it just fine, it boots and everything... but... the problem is that when i bring it to my house, and i insert the drive it goes to the Nvidia Boot Agent and after a while displays HARD DISK BOOT FAILURE INSERT SYSTEM DISK AND PRESS ENTER. My current BIOS Boot order is Floppy, CD, and then Hard Disk. I don't know why it wont boot, but the copy of XP has been verified and it works great on my friends computer... why won't it start on mine?
Please help me !

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hi sir,im vijay..
im usin 2tb segate new hard disk my system i cant able to boot my os and also my hard disk ...its showin that hard disk boot failure insert system disk press enter ...i restarted many times its sayin the same my gigabite mobo bios my hard disk is not get detected sir....the problem is that wen im installin the new os for 2nd time its all went nice only sir but at the completion of the os it wil ask for the user name and password but in my system its frozen sir fully of black screen and i cant able to do anythin so i restarted my system from that im gettin this error as hard disk boot failure insert system disk press enter.....that my new hard disk and all of my data is in that hard disk only..this problem arises wen im installing the os for 2nd time sir...till now its showin the same error sir...

plz help so confused..

Answer:hard disk boot failure insert system disk press enter

Repair MBR:

Boot From the Windows Install Disc
The first thing you?ll need to do is boot off the install disc, and then click through until you see the ?Repair your computer? link in the lower left-hand corner.
You?ll need to choose the correct installation of Windows and then click the Next button.
And then you?ll get to the System Recovery Options screen, where you can get to the Command Prompt.

Repairing the Master Boot Record:

If you want to restore the master boot record, you can simply type in the following command:

bootrec /fixmbr

You can also write a new boot sector onto the system partition with this command (which is often more useful):

bootrec /fixboot

And of course, if you just use bootrec /? you?ll be able to see all the options.

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I formatted my hard drive today and after a reboot I got the message: "Hard Disk Boot Failure Insert System Disk And Press Enter" If I insert my Vista disk, hit f8 at startup and go to boot screen, click on boot from CD, then bypass the boot from CD option it will start Vista. I have checked my boot sequence and it shows booting from the right drive. My hard drives are SATA. Im stumped fellas......

Asus M2N-SLI Deluxe Motherboard
Two Hard drives but the second just for backup (not in RAID)

This is what my system information tool says on the hard drives:

Type Vendor Model Size Interface Temperature
Direct Access Device HDS72258 0VLSA80 SCSI Disk Device 82 GBytes IDE RAID
Direct Access Device Western Digital WDC WD16 00AAJS-60PSA SCSI Disk Device 160 GBytes IDE RAID
Direct Access Device SanDisk SanDisk U3 Cruzer Micro USB Device 1019 MBytes USB USB
DVD TSSTcorp SanDisk U3 Cruzer Micro USB Device USBSTOR RAID

Answer:Hard Disk Boot Failure Insert System Disk


Changed my partition to active and re-booted, gave me this: "BOOTMGR missing"

Tried to repair with CD and the operating system was showing up on D:, dont know if this is usual but thought it show show C:

Went to Cromt in repair option and tried to rebuild bootmgr with this command:
"bootrec/rebuildbcd" restarted computer............BOOTMGR missing

Was then able to boot from second hard drive (D from boot screen.......finally gave up and formatted fine now.

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Hi everybody
Recently i had to repair Southbridge on my laptop by a technician but after that, My laptop is unable to boot from nothing but HDD. despite changing all available settings on mobo(enabling boot from CD/DVD,USB HDD and etc) seems that none of them are being enabled.Is there any possible solution?
My Laptop Specs are as follows
Acer Spire 5738G
OS: Win7 professional 64bit
Memory: two 4GB modules
ATI Mobility Radeon HD 4570 Graphics
CPU: Intel Core 2 Duo T6600 (2.2GHz, 800 MHz FSB)

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Please help
I have a problem with my Compaq PC ...will explain from beginning !!
At first when i boot the PC it used to come one message like " splash screen error run rompaq.." and below that black screen F1 to boot....when i press F1 used to boot windows and i can work comfortably the problem...before last two days when i tried to start my PC it won't boot ..instead it shows the same message press F1 to boot (i suspect by mistake i deleted some system file..but it was a normal shutdown i made last time)...after that i made one start up disk from another computer and tried to boot from it ..but i can't ..while booting from floppy it begins the booting but windows not shows like
A:\> mode can code page prepare=((720) ega4.cpi)
failure to access code page font file
A:\> mode con code page select =720 code page not prepared
A:\> keyb us,, keyboard.sys
code page specified has not been prepared
I can enter to C:\ or D:\ etc also can use dir like commands..please help me to solve this problem

Answer:Windows Xp Can Not Boot Both From Hard Disk And Start Up Disk

You have some serious troubles, and need to do some intensive reading on how Windows works, and what happens when a hard drive is corrupted or damaged or mis-installed..
It would be helpful for you to tell us computer, install discs, installed hardware, connection, hardware configuration you have, as well as the age of everything, and the recent history of failures and difficulties..

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Hi there!. I was wandering if anyone could help me out. I am running XP pro and although i recently updated with SP2 the PC appeared to be ok. Now when i try to boot up i get DISK BOOT FAILURE, INSERT SYSTEM DISK AND PRESS ENTER. If i put my operating disk in it loads the various files and proceeds to windows setup if i chose to set up windows XP now ie re -install the whole system it goes to the licence agreement then to the windows xp professional setup offering options either to set up windows on the selected item or create a partition or delete the partition . Most imporantly in the box below it states 57240 mb disk o at Id on bus 0 on atapi and underneath <setup cannot access this disk> which is worrying. In the bios it appears to be able to detect the fact that there is a hard disk drive available. If i do press enter at this stage a darker blue screen appears stating that a problem has been detected and that windown has shut down to prevent damage. It then goes on to suggest things that are not possible ie boot into safe mode ofr update or disable drivers it gives the following technical information which for me as a beginner is as much use as a wooden eye. It say ***STOP: 0XOOOOOOO8e (OXCOOOOOO5,OXF99C6CFD, OXF95 A5800, 0X00000000)
*** Setupdd.sys- adrress F999C6FD base at f999d000, datestamp 3d6dd67f
whatever that means
If there is anyone who can help i would appreciate it. I assume the hard drive is ok and the connections are too.

Answer:Disk boot failure and the missing hard disk

Moved to Windows. This is not a business applications issue. Good luck!

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I bought a f500 series Compaq laptop... ok, It's originally with VISTA but the previous owner installed Windows 7 Ultimate in it. Runs ok and everything but I want my lappy to be in its original state. OK... here's the problem I spent HOURS and hours trying to solve without success...
I can't boot my Laptop from USB, CD-ROM, USB FLASH DRIVE nor External disk drive. I checked BIOS. I set the boot order like I'm supposed to, DISK > USB > HDD. Nothing happens.
I hit f10 for BIOS setup... or ESC for Boot order and I only see Hard Drive as boot option. No CD, USB... I tried to "repair computer" (F8) and I get no repair option, only restore option with restore points.
I have use Partition manager to check partitions. I am unable to install RECOVERY MANAGER. I get missing "HardDisk.dll" or when I install hdd.dll, I get error code that Recovery Manager is unable to run.
I have recovery Disks for both VISTA X 64 and WIN 7 X 64 and both are no use since I can't access those.

I tried to upgrade my BIOS F1.71 >>> Running the BIOS upgrade software I got from HP official site... I get to the point where the Software tells me it is creating a FLASH BIOS and I get immediately the blue screen with "memory dump" message. This happens every time I try to upgrade.

I'm not too knowledgeable in computers but I can troubleshoot easily with good instructions... I've tried everything and I come across with a problem after a problem. It's so frustrat... Read more

Answer:Unable to boot my laptop from DISK, USB, ANYTHING but Hard [email protected]#%

There has to be a setting in the BIOS that is stopping you from booting from the USB or CD/DVD drive. That is IF those to thing actually work.

Have you checked to see if the USB and CD/DVD drive work?

As to the memory dump when trying to update the BIOS. You are doing this from inside Windows? I would suspect that because of the memory dump error.

99% of the time the computer/OS BSODs from memory errors. Memory errors come from bad memory.
If the notebook has 2 sticks of memory remove one of them then try the BIOS update. If it still BSODs put that stick back in and remove the other.
If it still BSODs then try it from a Safe Mode boot or from a Command line boot.

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Only when plugged in and running, the lapop shuts down.  On reboot, Boot Disk Not Found  Hard Disk (3F0) Never happens on battery only. Today, I Performed a hard reset and Restored BIOS default settings.   Tested the hard drive using HP PC Hardware Diagnostics UEFI. Also ran HP PC Hardware Diagnostics UEFI on power supply, system board, and memory.  No problems found.   Happened again tonight. Heat? 

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Thought to keep this post separate from my previous one as to not create confusion.When checking event log to search for a hardware installation problem, I have come across scores of error events due to a bad block on disk.I have tried going through Error Checking / Scan for and attempt recovery of bad sectors in C/Properties/Tools but this goes as far as finishing phase 3, then at the beginning of phase 4 nothing else happens and PC eventually restarts after a few minutes showing a "system recovered from a serious error" message.I have sent this to Microsoft and the reply has been that this is due to the installation of a new driver? ( I have indeed tried to install an all-in one device)Have removed all software and references to this device and retried but this is still giving the same result.Any help welcome.

Answer:Bad sector on disk?

I Had the same problem with both sata hdds on one of my sli machines after I tried the new Nvidia all in one drivers.As you have tried, I uninstalled them but the problem remained. The bad news is that the only way around this was to re-format and re-install XP using the older driver package.... I hope you have not got too much data to back up!

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Hi, I really need some help here.

My system has two drives:
1) SSD (C: drive) where my win7 OS boots from (call this normal_win7)
2) HDD (D: drive) where I keep my data

I created a D:\virtual_win7.vhd file and installed win7 on it (for testing purposes) following these instructions:

Virtual Hard Drive VHD File - Create and Start with at Boot

When I boot, I get no boot menu asking me to choose either between normal_win7 or virtual_win7 install. By default, it boots into virtual_win7. To boot into normal_win7, I need to press F11 at reboot to enter into Boot Menu and select it. I thought I would be presented with a boot menu at reboot each time? Those instructions I followed in the link told me the boot manager would be present. So I got a feeling something went wrong somewhere.

These are some things I observed:

1. I installed EasyBCD within normal_win7 and it only has one entry listed in the bootloader:

HTML Code:
Entry #1
Name: Windows 7
BCD ID: {current}
Drive: C:\
Bootloader Path: \Windows\system32\winload.exe
2. Within System > Advanced System Settings > Advanced > Startup and Recovery, there is also only one entry.

3. In Disk Management (within normal_win7), the vhd does not appear.


What do I need to do to get the boot menu manager going when I reboot my system to allow OS selection?

Why doesn't the vhd appear in Disk Management within normal_win7? Is it because it is being dynamically mounted each time it is booted into? I thought th... Read more

Answer:Boot issues with virtual hard disk. No windows boot manager

I guess everyone is using win8 these days, or my question is at the cutting edge of technology that no one knows the answer

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My computer will not boot. Boot device not found Hard Drive (3F0) I have a G7-3ried reset4OUS WINDOWS 7 64 bit. I have tried to reset BIOs  HELP

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I yesterdy tonight fitted an HP e-pc C10 with a new hard disk, and the disk
has been partitioned, formatted and set as primary. Using the HP
Recovery CD which came with the machine, I installed Windows 2000 on to
the new disk.
The install went without hitches until the very first full boot. Admin
sign-on is completed, then Win 2k spontaneously shuts down and
re-starts. On the re-start we get an error message: Boot failure, disk
not recognised. Press any key to restart the OS.
On pressing the key the boot once again fails. This is very hard to
understand, as the machine successfully booted in to the install
programme twice. Furthermore, the bios detects the hard disk as a
Primary IDE correctly. Yet, at the crucial moment of finalising the OS
boot the system fails.
Anyone any thoughts?

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I've seen other posts on the same theme. I have TWO usb drives, 1 tera and 500 gb, with NON vital info. Non vital but it took me lot of time to gather the info, so, if possible, I would like to keep it.....
Now I understand that bad sectors 'Won't' be repaired, but 'marked' as bad, so the drive will not use them again..... so Checkdisk does the job, only it takes forever..... but also, wouldn't be advisable to retrieve the info BEFORE?
If YES, I don't know which program to use.
Can you correct me and guide me?
Thank you.

Answer:disk sector recovery

Have a read through the following link:
DjLizard's data recovery guide

The method outlined in the article would be my preferred choice of recovering your data. I have used it and found it to work extremely well.

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I have a HP DV6600 with a fresh HP factory install of Vista SP1. Newest Bios update, and virus free. When I boot up i see the HP screen with boot options down across the bottom(F2, F9, F10 etc) then it goes to a black screen with a blinking cursor in upper left corner. The hard drive lcd does not blink at all. If I reboot and press F9 to select boot options that menu comes up. The only option there is Internal Hard disk or Enter Setup. If I select Internal Hard disk it will boot every time and run great from there on out, untill I go to restart it again. Any suggestions?

Answer:I can only boot with select boot device- hard disk

Sounds like your hard not your first boot should be.


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I'm making a image for installation of windows 10.
I make a USB flash drive with WINPE. and once the device starts into WINPE, it will automatically start to install windows 10 by calling "dism /apply-image".
Normally i just shutdown the computer after installation, but now i want to reboot the device and boot into the windows i just installed. But i can't, because if i reboot the device, it will boot into WINPE again and start another turn of installation of windows.
How could i temporary boot into my windows 10?

Answer:How to temporary boot into hard disk if my first boot option is USB?

Seems like you are doing it backwards. Set the hard drive as the primary boot device and temporarily boot the USB flash drive the first time. Then on restarting the first time during the Windows 10 install it will boot to the hard drive and ignore the USB flash drive.

1 more replies
Relevance 52.89%

I'm making a image for installation of windows 10.
I make a USB flash drive with WINPE. and once the device starts into WINPE, it will automatically start to install windows 10 by calling "dism /apply-image".
Normally i just shutdown the computer after installation, but now i want to reboot the device and boot into the windows i just installed. But i can't, because if i reboot the device, it will boot into WINPE again and start another turn of installation of windows.
How could i temporary boot into my windows 10?

Answer:How to temporary boot into hard disk if my first boot option is USB?

Seems like you are doing it backwards. Set the hard drive as the primary boot device and temporarily boot the USB flash drive the first time. Then on restarting the first time during the Windows 10 install it will boot to the hard drive and ignore the USB flash drive.

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I need help with using a hex editor called hex editor.

What im trying to do on a blank floppy disk, basically I need to change the "first five bytes of sector 2" to this 4B 45 59 00 00

So I have no problem loading the newly formatted floppy disk with the hex editor program and but where the heck is sector 2? Then which way does the bytes go down or side ways I dont get the layout of the hex editor, anyone can help? Thanks

Answer:Need help with an hex editor Im looking for sector 2 on floppy disk....

Right after the first sector? It's been awhile, but I remember that depending on the layout, the numbers would be on the left hand side, the binary in the middle and the literal gibber jabber would be on the right hand side. Probably goes, 00 01 02 03 ... etc. So, it would be 01. I'm guessing based on experience years ago, fiddling with hard drives.

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I am running windows me, I am trying to create the start up disk and every time I put the floppy in ..I get a message saying the Disk Sector not found....I have no idea what this is can any one help and what might i be doing wrong?/
Any help would be appreciated...Thanks Cindoo

Answer:(Solved) Disk Sector not found????

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Hallo an alle / Hellowie kann ich nach einer enttäuschenden Windows 8 Installation den Recovery-Modus des Q 180 zwecks Neuinstallation von Windows 7 aufrufen?how to reinstall Windows 7 from the recovery partition if windows 8 was testet?Vielen Dank / best regards NF 

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I have a Gateway PC that has been stuck in a Windows Update loop....installing 3 of 3.....for several days now. I am unable to change the boot device order due to the following error: "Failed w/ user password to Load Boot Menu. Press F1 to Resume."

Safe mode repair failed....last known good mode w/ command prompt failed. Upon hitting F1 the system goes back into the update loop.

I contacted Gateway support and they gave me instructions for doing a "Restore from Factory Default" using ALT+F10. I am immediately presented with this error: "BootSector Write!! VIRUS: Continue (Y/N)?"

I'm at a loss. I know how to clean boot sector viruses; however, I don't have a clue what to do if I can't boot to an optical drive. Any ideas??


System Specs: Vista Home Premium 64-bit w/SP1
Gateway desktop DX4300
Norton Antivirus 2009

Answer:Solved: Boot Sector Virus but can't boot to optical drive

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I have a laptop which has odd startup behaviour and which reflects the behaviour of another laptop, my sisters laptop that I was fixing.  I copied files from my sisters laptop to my laptop but scanned her disk before hand, but think now I've copied across a boot sector virus or something worse.
The beheviour of my laptop is when I press the start key, the button and power light come on, the fan comes on at a low speed, the dvd is checked, and then it repeats this behaviour with the lights going off, then after about 30 times on/off, it finally comes on, with the fan constantly on. But no screeen, no boot.
My sisters laptop reported almost the same behavioir. My laptop Windows 10. The other laptop Window 8.

Answer:Laptop will not boot, suspect boot sector virus or worse.

I've moved this to the more suitable forum,

Am I infected? What do I do?
This is now closed.

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Ok first off I want to say I've searched and searched and searched to no avail in trying to find a solution to this I've come to the conclusion it's software and not hardware based. Let me start from the top.

I've had an older computer (HP Pavilion a408x) out of commission for a while due to a 'sploded psu. I finally get around to ordering one, install it and everything is good. I bring it back to my office and hook it up to the internet and as expected there's updates. So I up date it and after the updates are installed the computer restarts automatically (weird yes) and as it's coming back on it detects errors and runs CHKDSK. So I let it run and it gets to part 2 of 3. At this point in time my partner is really needing to print sometime and all computers print through this computer. So after about 45 minutes CHKDSK is still on part 2 at only 15%. So I'm like "screw it" and manually shut down and restart. It's at this point I get a "primary master hard disk failure" at the boot screen. Letting start up continue I get a "Stop : c000021 unknown hard error \systemroot \system 32 \ntdll.dll" At this point I realize something is delectably wrong.

Found this thread, which didn't help much. At some point the c000021 error stops and I start getting "disk boot failure insert system disk and press enter" and I found this thread, which didn't help much either. I have also been searching other sites as well.

Here's what I found ou... Read more

Answer:Hard Drive not found "disk boot failure insert system disk and press enter"

Anything would be super helpful, even if it's bad news. I just need to know if I can get this remedied or not.

Another thing I noticed is that the HDD activity light on the front of the computer does not blink or show any activity.


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I am trying to recover my laptop with the CD. It ran all night and now gives me: Write sector failure 1 drive = 128, sectors 3722527-3722591. What do I do!?

My HDD is a Toshiba MK6021GAS. I tried to run the Hitachi diagnostic test, but its not a Hitachi disk drive. I have this posted in older versions of windows but I am confused what I have here...on the bottom of the laptop it shows XP, but I saw "starting windows 98" yesterday..

Answer:Recovery Disk--Write Sector Failure

Using another PC, download and burn the Ultimate Boot CD. This self-booting CD has several manufacturer's HD diagnostics. It sounds like your HDD is going south ...

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Earlier tonight I got the message saying Windows has detected a hard disk problem and wasn't really sure what to do. I downloaded Eassos PartitionGuru since it seemed like it would give me a detailed description of things and doing a scan informed me that my computer has only one bad sector. Well over 99% of my sectors were "Excellent" a small amount were "Good" but one was labeled "Damaged" with the message "IO Device Timeout." I've seen some places saying to get a new hard drive or wipe this one clean if you have a bunch of bad sectors, but I'm not sure what to do with only one in total.

Also, if I "repaired" this sector, would it wipe my entire hard drive clean? I've seen some say that you should backup data near that sector but I honestly have no clue what data is near this sector whatsoever or how to figure any of that out.

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Hello, I recently got the 'blue screen of death' whilst trying to start my computer. I tried using the windows CD to fix the problem, but on my computer I get an error saying a .sys file is corrupted (Is that the file corrupted on my computer or on the CD?). But when I tried the same process on another computer it worked fine. When ever I try to enter safe mode on my computer I get the unmountable boot volume error.
Please help me on this, I have lots of school work on that computer and I need it by next wednesday!
I realy hope I dont have to completly reinstall windows cause nothing is backed up.

Answer:Unmountable boot volume, boot sector virus?


Which sys file? What's the BSOD error exactly - 0x000????? - give us some clues ?

Which Windows version and Service Pack?

Is the CD the same type (Home, Pro, etc.) and SP level?

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Hi All,

I have a Dell Laptop with Win 7.

I recently used TestDisk to try to recover a lost data partition (not my system partition) but when I rebooted the Dell system utilities partition booted (not Windows).

Some digging has revealed that Windows was on C:\ but is now on F:\.

I have tried a number of things to set things straight including:Boot Windows recovery CD and run "Startup Repair" Wizard - this made some changes but now the system just continually reboots without displaying anything after the BIOS screen
bootrec.exe /FixMbr - completed successfully
bootrec.exe /FixBoot - ERROR: "The volume does not contain a recognised file system."
bootrec.exe /ScanOs - does not find any Windows installations
bootrec.exe /RebuildBcd - does not find any Windows installations
bootsect /nt60 all - completed successfully

Any further ideas or any diagnostic info I can provide to assist?

Thanks in advance!

Answer:Boot problems - boot sector messed up using TestDisk?

Boot free Partition Wizard CD to post back a camera snap of the maximized Drive Map and listings. This will be immediately revealing so we can help you best.

Screenshots and Files - Upload and Post in Seven Forums - Windows 7 Forums

Absent that your next best steps are described in Step 8 in Troubleshooting Windows 7 Failure to Start

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I run a home-built dual boot system. Specs:
W2K Pro + all service packs current. Win XP Pro + SP 3. Intel P 4 2.4Ghz, ASUS P4B266-C mobo, 80GB HDD, 2GB DDR RAM.
On the W2K Pro partition, I have Avast AntiVirus installed with all signatures current. On the XP Pro partition, I have AVG with all signatures current. I also run Spybot S & D. I run FireFox on both partitions.
Iwas on the XP Pro system today and was booted off FireFox and my system rebooted. During a reboot, I always get the option to either boot to W2K Pro or WXP Pro. At that screen, I get a warning that I have a boot sector virus on my hard drive. I am advised to put a clean floppy in and reboot and asked if I want to continue.

Long story short, I was able to get past the prompts and boot up to W2K Pro. I ran my Avast AV and came up clean. I also ran SpyBot and came up clean. I was able to get back to the XP Pro partition and ran an AV scan a it found a couple things:

MsUpdate.exe and Trojan Horse downloader.generic7.AOVP

It also changed/cleaned up:


The PC seems to work fine except for the 'boot sector virus' warning and prompts when I boot. I'm a bit reluctant to shut down at this point. Any ideas how to proceed?

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Hi All,

My XP computer has repeatedly reported "minor inconsistencies on the C drive" every time that I run a Check Disk (as per the illustration below) -

Is the issue that I am seeing specific to a damaged hard drive (e.g.: bad sectors), or a corrupt Windows installation?

Any advice here will be greatly appreciated.

Kind Regards,


Answer:Is my disk issue a bad sector or a corrupt Windows installation?

If the hard drive is getting old and having problems it might be a good idea to replace it before it goes completely. anything you dont want to lose should be saved to a cd/dvd or an external hard drive so it isnt lost forever.if theres any bad sectors in a hard drive its just a matter of time before they all go bad. you cant fix a hard drive just replace it.

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Greetings:  Wonder if anyone can assist me with a data recovery problem?
XP machine with 200GB hard drive. 
As the machine is old, the power button broke, and the owner was having other issues with software operation, so I opted to move the hard drive to a newer machine.  Pulled the drive, and using IDE to USB adapter in laptop was finally able to see the drive. 
Using Spinright to attempt data recovery, the error message is "error reading partition table disk 1 sector 0".
The sector 0 error makes me think virus.  Is there anything to be done to recover the owner's data?

Answer:Error reading partition table disk 1 sector 0

I don't think it is due to virus. I suspect bad sectors in the HDD surface. You will have better luck by attaching the HDD to an IDE port and then running Spinrite. Programs like Spinrite are using the SMART commands directly to interface with the HDD. Using a USB case will limit the functionality of these programs. 
Spinrite FAQ -

SpinRite provides complete interaction with IDE-interface PATA (parallel ATA) and SATA (Serial ATA) drives, and it can also be used with any other type of drive — SCSI, USB, 1394/Firewire — that can be made visible to DOS through the addition of controller BIOS or add-on DOS drivers. To obtain the best performance, IDE drives can be temporarily removed from their external USB or Firewire cases and attached directly to the PC motherboard.

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While trying to reinstall XP through the recovery disks I am getting this message:
write sector failure result = 1 drive = 128 sectors 14975-15039
and am unable to continue.

I would like to clean the disk using Darik's Boot and Nuke (DBAN), but can't get this to boot. The only software that has booted properly is Puppy Linux (which runs on RAM as a live-CD), so it is not really installing on the HDD.

Have noticed that there is option 2 on the recovery disk: Expert Recovery Mode, but I don't know how to use this.

Any ideas?


Answer:Re: Satellite M30 Recovery Disk Write Sector failure

When you use recovery media you have two options there, standard and expert mode. When you use standard mode OS will be installed on one partition and you cannot define anything before installations starts. The whole HDD will be erased.

Using expert mode you can create own partition and also install OS on already persisting partition.

To be honest expert mode will not help you at all. If the HDD is not defective standard mode installation should work too.
I am afraid the HDD is problem there.

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