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Corrupt boot - PC Desktops

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More info, please: Which part of the boot process fails ?

POST, BIOS, master boot record, partition boot record, operating system kernel, some device driver, windows login ? ....

please be more specific.

Also we need to know what kind of a system you have, configuration, operating system.

IF you have a boot sector problem, it can often be repaired with the right utilities, but this is a complex and dangerous process which should only be attempted by professionals. You may do more harm than good. Also if your hard drive is physically damaged or logically corrupted, consult the drive's manufacturer for data recovery services. This gets VERY expensive though.


Martin

Posted on Apr 18, 2008

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Rom flash corrupt


When your computer won't boot there are several things that could be wrong. The first that is most common is a virus got on your computer and corrupted the OS. The second is the Hard Drive is failing and the third would be bad drivers or program got installed.

I would first reboot your computer and right before the Windows loading screen comes up, hit F8 every half a second until a menu comes up. The first thing on the menu to try is Boot Windows in the Last Known Good Configuration. If that doesn't work repeat the process and try booting in Safe Mode or Safe Mode with Network Connectivity. If your computer won't boot after trying each one, there is a possibility that there are hardware issues or the OS is to corrupt to start. If this is the case you will need to take it in for an IT Professional to look at. If you can get it to boot, then scan for viruses with a program called ComboFix from bleepingcomputers.com then make sure that you uninstall any recent programs.

Dec 05, 2013 | Compaq Evo D500 PC Desktop

Tip

Boot problems and their possible causes & resolutions


Symptoms:
Black screen
"Invalid Partition Table"
"Error loading operating system"
"Missing operating system"


Cause:
Corrupt Master Boot Record (MBR)

Resolution:
Boot into Recovery Console and run "fixmbr" to repair the MBR

--

Symptoms:
"A disk read error occurred"
"NTLDR is missing"
"NTLDR is compressed"


Cause:
Corrupt boot sector

Resolution:
Boot into Recovery Console and run "fixboot" to repair the boot sector

--

Symptoms:
"BOOT.INI is missing or corrupt"
"Boot device inaccessible"
"Windows could not start because the following file is missing or corrupt:
<Windows root>\system32\hal.dll"


Cause:
BOOT.INI missing, corrupt or out of date as a partition has been inserted

Resolution:
Boot into Recovery Console and run "bootcfg /rebuild" to repair the BOOT.INI

--

Symptoms:
"Windows could not start not start because the following file is missing or corrupt:
\WINDOWS\SYSTEM32\CONFIG\SYSTEM"


Cause:
Corrupt/missing system hive

Resolution:
1. Boot into Recovery Console and run "chkdsk C: /f" to check the system disk for errors and fix them, then reboot.
2. If the error continues and System Restore is enabled, copy the system hive from the last restore point into \WINDOWS\SYSTEM32\CONFIG
3. If the error continues, copy the system hive from \WINDOWS\REPAIR into \WINDOWS\SYSTEM32\CONFIG
4. If the error continues, perform a repair installation by booting from the Windows installation media


--

Symptoms:
"Windows could not start because of a computer disk hardware configuration problem.
Could not read from the selected boot disk, Check boot path and disk hardware."


Cause:
Boot volume (with Windows folder) is not accessible as defined in BOOT.INI

Resolution:
Check the boot volume is accessible

--

Symptoms:
Dual-boot 32-bit Windows and 64-bit Windows system reports "NTOSKRNL.EXE is corrupt" trying to boot into 64-bit Windows

Cause:
System volume contains an older boot loader than the boot volume requires - e.g. XP SP2 installed after XP x64

Resolution:
Copy NTDETECT.COM and NTLDR from XP x64 installation media to the root of the system volume

on May 03, 2010 | PC Desktops

Tip

NTOSKRNL.EXE is missing or corrupt.


Issue: NTOSKRNL.EXE is missing or corrupt.
Related errors:
Below is a listing of the full error message that may be related to this error.
Windows NT could not start because the below file is missing or corrupt:
C:\Winnt\System32\Ntoskrnl.exe
Cause:
  1. Keyboard issue
  2. Miscellaneous corruption
  3. Corrupt boot.ini file.
  4. Missing boot.ini file.
  5. Missing or corrupt ntoskrnl.exe file.
  6. Windows NT installed on a partition bigger then 7.8GB
  7. Corrupted hard disk drive or severely corrupted Windows.
Solution: Keyboard issue
This issue has also been known to be caused by a short in the ground wire in the keyboard cable. Make sure this is not the cause of your error by replacing the keyboard with a different keyboard or simply just disconnecting the keyboard from the computer.
Miscellaneous corruption
Before trying any of the below recommendations it's recommend that you attempt to load the last known good configuration. Additional information about doing this can be found on document CH000626.
Corrupt boot.ini file
This issue is often caused when the boot.ini is missing or improperly configured. This issue often arises after a user has recently added or removed an operating system on the computer or added or removed hard disk drives in the computer.
Make sure the line pointing to the operating system and its drive and partition is properly configured in the [boot loader] and [operating systems] section. Additional information about boot.ini can be found on document CH000492.
Missing boot.ini file
Microsoft Windows XP users:
If the boot.ini is severely corrupted or missing a user running Microsoft Windows XP can rebuild the boot.ini to resolve this issue. Additional information about rebuilding the boot.ini can be found on document CH000648.
Microsoft Windows NT and Windows 2000 users:
To restore the original boot.ini file in Microsoft Windows NT or Windows 2000 you will need an ERD and follow the below steps. If you do not have an ERD you will be unable to follow these steps.
  1. Boot the computer with your Windows NT three setup diskettes or the Windows 2000 setup disc.
  2. In the setup menu, type R to start the repair.
  3. When prompted for the ERD diskette insert the diskette and inspect the startup environment.
Missing or corrupt ntoskrnl.exe file
If the ntoskrnl.exe file is corrupt or missing this can also generate the error. To restore this file follow the below steps.
  1. Insert the Microsoft Windows XP CD. Note: If you have a recovery CD or a restore CD and not a Microsoft Windows XP CD it is likely the below steps will not resolve your issue.
  2. Reboot the computer, as the computer is starting you should see a message to press any key to boot from the CD. When you see this message press any key.
  3. In the Microsoft Windows XP setup menu press the R key to enter the recovery console.
  4. Select the operating system you wish to fix, and then enter the administrator password.
  5. Type expand d:\i386\ntoskrnl.ex_ c:\windows\system32
  6. You will then be prompted if you wish to overwrite the file type Y and press enter to overwrite the file.
  7. Type exit to reboot the computer.
Windows NT installed on a partition bigger then 7.8GB
If you are running Microsoft windows NT 4.0 on a partition larger than 7.8GB this issue can occur if the boot files are located outside this limitation. When this error occurs your computer will have the error message as shown below.
OS Loader v4.01
Disk I/O error status=00000001
Windows NT could not start because the below file is missing or corrupt: winnt\system32\Ntoskrnl.exe
Please reinstall a copy of the above file.
If your system partition is larger than 7.8GB you will need to delete the partition and recreate the partition to 7.8GB or less. Additional information about this issue can be found on Microsoft KB Q224526.
Corrupted hard disk drive or severely corrupted Windows
Attempt to check the hard disk drive for any errors by running the chkdsk program. To do this follow the below steps.
  1. Insert the Microsoft Windows XP CD. Note: If you have a recovery CD or a restore CD and not a Microsoft Windows XP CD it is likely the below steps will not resolve your issue.
  2. Reboot the computer, as the computer is starting you should see a message to press any key to boot from the CD. When you see this message press any key.
  3. In the Microsoft Windows XP setup menu press the R key to enter the recovery console.
  4. Select the operating system you wish to fix, and then enter the administrator password.
  5. Once at the recovery console type chkdsk /r
  6. Once completed type exit and see if issue is resolved.
If after trying all of the above steps you are still encountering the same issue it's likely that Windows is severely corrupted and it is recommended you attempt to reinstall Windows. Additional information about erasing the computer and starting over can be found on document CH000186.
Finally, if during the Windows installation you encounter errors it's likely that your hard disk drive is bad.

on Dec 27, 2009 | PC Desktops

1 Answer

I need restore program for compac presario sr1630nx


robert you don't give any details.you say registry is corrupt and windows don't BOOT.do the fans go,lights on the motherboard then windows boot.have any picture ? no maybe it's the videocard is brooken ? let me now

May 14, 2013 | PC Desktops

1 Answer

NTLDR compressed on a Compaq Presario SR105CL cant enter bios to set to boot


Step 1:
Which operating system ?

Computer is booting from a non-bootable source. Computer hard disk drive is not properly setup in BIOS. Corrupt NTLDR and NTDETECT.COM file. Misconfiguration with the boot.ini file. Attempting to upgrade from a Windows 95, 98, or ME computer that is using FAT.32 New hard disk drive being added. Corrupt boot sector / master boot record. Seriously corrupted version of Windows 2000 or Windows XP. Loose or Faulty IDE/EIDE hard disk drive cable. Failing to enable USB keyboard support in the BIOS. Many times this error is caused when the computer is attempting to boot from a non-bootable floppy disk or CD ROM First verify that no Floppy Diskette or CD is in the computer, unless you are attempting to boot from a diskette. b> Note: This error has also been known to occur when a memory stick is in a card reader and the computer is attempting to boot from it. If you have any card reader or flash reader make sure that no memory stick is inside the computer. Additionally disconnect all USB drives, cameras, ipods, iphones, etc. from the computer. If you are attempting to BOOT from a floppy diskette and are receiving this error message it is likely that the diskette does not have all the necessary files or is corrupt. If you are attempting to install Windows XP or Windows 2000 and are receiving this error message as the computer is booting verify that your computer BIOS has the proper boot settings. For example, if you are attempting to run the install from the CD-ROM make sure the CD-ROM is the first boot device, and not the hard disk drive. Second, when the computer is booting you should receive the below prompt. Press any key to boot from the CD

Mar 10, 2013 | Compaq Presario sr1055cl PC Desktop

1 Answer

I HAVE A GATEWAY DESKTOP COMPUTER WITH AN ERROR MESSAGE SYSTEM32\NTOSKRNL.EXE. HOW DO I FIX THIS PROBLEM?


NTOSKRNL.EXE is missing or corrupt. Issue NTOSKRNL.EXE is missing or corrupt.
Related errors

Below is a listing of the full error message that may be related to this error.

Windows NT could not start because the below file is missing or corrupt:

C:\Winnt\System32\Ntoskrnl.exe
Cause

  1. Keyboard issue
  2. Miscellaneous corruption
  3. Corrupt boot.ini file.
  4. Missing boot.ini file.
  5. Missing or corrupt ntoskrnl.exe file.
  6. Windows NT installed on a partition bigger then 7.8GB
  7. Corrupted hard disk drive or severely corrupted Windows.
Solution

Keyboard issue

This issue has also been known to be caused by a short in the ground wire in the keyboard cable. Make sure this is not the cause of your error by replacing the keyboard with a different keyboard or just disconnecting the keyboard from the computer.

Miscellaneous corruption

Before trying any of the below recommendations it's recommend that you load the last known good configuration.

Corrupt boot.ini file

This issue is often caused when the boot.ini is missing or improperly configured. This issue often arises after a user has recently added or removed an operating system on the computer or added or removed hard disk drives in the computer.

Make sure the line pointing to the operating system and its drive and partition is properly configured in the [boot loader] and [operating systems] section.

Missing boot.ini file

Microsoft Windows XP users:

If the boot.ini is severely corrupted or missing a user running Microsoft Windows XP can rebuild the boot.ini to resolve this issue.

Microsoft Windows NT and Windows 2000 users:

To restore the original boot.ini file in Microsoft Windows NT or Windows 2000 you will need an ERD and follow the below steps. If you do not have an ERD you will be unable to follow these steps.

  1. Boot the computer with your Windows NT three setup diskettes or the Windows 2000 setup disc.
  2. In the setup menu, type R to start the repair.
  3. When prompted for the ERD diskette insert the diskette and inspect the startup environment.

Missing or corrupt ntoskrnl.exe file

If the ntoskrnl.exe file is corrupt or missing this can also generate the error. To restore this file follow the below steps.

  1. Insert the Microsoft Windows XP CD. Note: If you have a recovery CD or a restore CD and not a Microsoft Windows XP CD it is likely the below steps will not resolve your issue.
  2. Reboot the computer, as the computer is starting you should see a message to press any key to boot from the CD. When you see this message press any key.
  3. In the Microsoft Windows XP setup menu press the R key to enter the recovery console.
  4. Select the operating system you wish to fix, and then enter the administrator password.
  5. Type expand d:\i386\ntoskrnl.ex_ c:\windows\system32
  6. You will then be prompted if you wish to overwrite the file type Y and press enter to overwrite the file.
  7. Type exit to reboot the computer.

Windows NT installed on a partition bigger then 7.8GB

If you are running Microsoft windows NT 4.0 on a partition larger than 7.8GB this issue can occur if the boot files are located outside this limitation. When this error occurs your computer will have the error message as shown below.

OS Loader v4.01
Disk I/O error status=00000001
Windows NT could not start because the below file is missing or corrupt: winnt\system32\Ntoskrnl.exe
Please reinstall a copy of the above file.

If your system partition is larger than 7.8GB you will need to delete the partition and recreate the partition to 7.8GB or less. Additional information about this issue can be found on Microsoft KB Q224526.

Corrupted hard disk drive or severely corrupted Windows

Check the hard disk drive for any errors by running the chkdsk program. To do this follow the below steps.

  1. Insert the Microsoft Windows XP CD. Note: If you have a recovery CD or a restore CD and not a Microsoft Windows XP CD it is likely the below steps will not resolve your issue.
  2. Reboot the computer, as the computer is starting you should see a message to press any key to boot from the CD. When you see this message press any key.
  3. In the Microsoft Windows XP setup menu press the R key to enter the recovery console.
  4. Select the operating system you wish to fix, and then enter the administrator password.
  5. Once at the recovery console type chkdsk /r
  6. Once completed type exit and see if issue is resolved.

If after trying all of the above steps you are still encountering the same issue it's likely that Windows is severely corrupted and it is recommended you reinstall Windows.

Finally, if during the Windows installation you encounter errors it's likely that your hard disk drive is bad.


http://www.computerhope.com/issues/ch000646.htm

Mar 02, 2012 | Gateway GT5026E PC Desktop

1 Answer

Got everything installed with a new biostar mcp6pb m22B but can't boot from the dvd to install windows 7. Keep getting bootmgr image is corrupt message. Help!


The dvd which you placed int he drive to be booted from is corrupted so the bootmanager is not accepting the disk so try to boot your system with another dvd

thanks

May 15, 2010 | PC Desktops

1 Answer

Error: windows root>\system32\ntoskrnl.exe


Issue: NTOSKRNL.EXE is missing or corrupt.
Related errors:
Below is a listing of the full error message that may be related to this error.
Windows NT could not start because the below file is missing or corrupt:
C:\Winnt\System32\Ntoskrnl.exe
Cause:
  1. Keyboard issue
  2. Miscellaneous corruption
  3. Corrupt boot.ini file.
  4. Missing boot.ini file.
  5. Missing or corrupt ntoskrnl.exe file.
  6. Windows NT installed on a partition bigger then 7.8GB
  7. Corrupted hard disk drive or severely corrupted Windows.
Solution: Keyboard issue This issue has also been known to be caused by a short in the ground wire in the keyboard cable. Make sure this is not the cause of your error by replacing the keyboard with a different keyboard or simply just disconnecting the keyboard from the computer.
Miscellaneous corruption Before trying any of the below recommendations it's recommend that you attempt to load the last known good configuration. Additional information about doing this can be found on document CH000626.
Corrupt boot.ini file This issue is often caused when the boot.ini is missing or improperly configured. This issue often arises after a user has recently added or removed an operating system on the computer or added or removed hard disk drives in the computer. Make sure the line pointing to the operating system and it's drive and partition is properly configured in the [boot loader] and [operating systems] section. Additional information about boot.ini can be found on document CH000492.
Missing boot.ini file Microsoft Windows XP users: If the boot.ini is severely corrupted or missing a user running Microsoft Windows XP can rebuild the boot.ini to resolve this issue. Additional information about rebuilding the boot.ini can be found on document CH000648. Microsoft Windows NT and Windows 2000 users: To restore the original boot.ini file in Microsoft Windows NT or Windows 2000 you will need an ERD and follow the below steps. If you do not have an ERD you will be unable to follow these steps.
  1. Boot the computer with your Windows NT three setup diskettes or the Windows 2000 setup disc.
  2. In the setup menu, type R to start the repair.
  3. When prompted for the ERD diskette insert the diskette and inspect the startup environment.
Missing or corrupt ntoskrnl.exe file If the ntoskrnl.exe file is corrupt or missing this can also generate the error. To restore this file follow the below steps.
  1. Insert the Microsoft Windows XP CD. Note: If you have a recovery CD or a restore CD and not a Microsoft Windows XP CD it is likely the below steps will not resolve your issue.
  2. Reboot the computer, as the computer is starting you should see a message to press any key to boot from the CD. When you see this message press any key.
  3. In the Microsoft Windows XP setup menu press the R key to enter the recovery console.
  4. Select the operating system you wish to fix, and then enter the administrator password.
  5. Type expand d:\i386\ntoskrnl.ex_ c:\windows\system32
  6. You will then be prompted if you wish to overwrite the file type Y and press enter to overwrite the file.
  7. Type exit to reboot the computer.
Windows NT installed on a partition bigger then 7.8GB If you are running Microsoft windows NT 4.0 on a partition larger than 7.8GB this issue can occur if the boot files are located outside this limitation. When this error occurs your computer will have the error message as shown below. OS Loader v4.01
Disk I/O error status=00000001
Windows NT could not start because the below file is missing or corrupt: winnt\system32\Ntoskrnl.exe
Please reinstall a copy of the above file. If your system partition is larger than 7.8GB you will need to delete the partition and recreate the partition to 7.8GB or less. Additional information about this issue can be found on Microsoft KB Q224526.
Corrupted hard disk drive or severely corrupted Windows Attempt to check the hard disk drive for any errors by running the chkdsk error. To do this follow the below steps.
  1. Insert the Microsoft Windows XP CD. Note: If you have a recovery CD or a restore CD and not a Microsoft Windows XP CD it is likely the below steps will not resolve your issue.
  2. Reboot the computer, as the computer is starting you should see a message to press any key to boot from the CD. When you see this message press any key.
  3. In the Microsoft Windows XP setup menu press the R key to enter the recovery console.
  4. Select the operating system you wish to fix, and then enter the administrator password.
  5. Once at the recovery console type chkdsk /r
  6. Once completed type exit and see if issue is resolved.
If after trying all of the above steps you are still encountering the same issue it's likely that Windows is severely corrupted and it is recommended you attempt to reinstall Windows. Additional information about erasing the computer and starting over can be found on document CH000186. Finally, if during the Windows installation you encounter errors it's likely that your hard disk drive is bad.

Oct 18, 2008 | PC Desktops

2 Answers

How do I...


NTOSKRNL.EXE is missing or corrupt.

Related errors:

Below is a listing of the full error message that may be related to this error.

Windows NT could not start because the below file is missing or corrupt:
C:\Winnt\System32\Ntoskrnl.exe

Cause:
Keyboard issue
Miscellaneous corruption
Corrupt boot.ini file.
Missing boot.ini file.
Missing or corrupt ntoskrnl.exe file.
Windows NT installed on a partition bigger then 7.8GB
Corrupted hard disk drive or severely corrupted Windows.
Solution:
Keyboard issue
This issue has also been known to be caused by a short in the ground wire in the keyboard cable. Make sure this is not the cause of your error by replacing the keyboard with a different keyboard or simply just disconnecting the keyboard from the computer.

Miscellaneous corruption
Before trying any of the below recommendations it's recommend that you attempt to load the last known good configuration. Additional information about doing this can be found on document CH000626.

Corrupt boot.ini file
This issue is often caused when the boot.ini is missing or improperly configured. This issue often arises after a user has recently added or removed an operating system on the computer or added or removed hard disk drives in the computer.
Make sure the line pointing to the operating system and it's drive and partition is properly configured in the [boot loader] and [operating systems] section. Additional information about boot.ini can be found on document CH000492.

Missing boot.ini file
Microsoft Windows XP users:
If the boot.ini is severely corrupted or missing a user running Microsoft Windows XP can rebuild the boot.ini to resolve this issue. Additional information about rebuilding the boot.ini can be found on document CH000648.

Microsoft Windows NT and Windows 2000 users:

To restore the original boot.ini file in Microsoft Windows NT or Windows 2000 you will need an ERD and follow the below steps. If you do not have an ERD you will be unable to follow these steps.
Boot the computer with your Windows NT three setup diskettes or the Windows 2000 setup disc.
In the setup menu, type R to start the repair.
When prompted for the ERD diskette insert the diskette and inspect the startup environment.
Missing or corrupt ntoskrnl.exe file
If the ntoskrnl.exe file is corrupt or missing this can also generate the error. To restore this file follow the below steps.
Insert the Microsoft Windows XP CD. Note: If you have a recovery CD or a restore CD and not a Microsoft Windows XP CD it is likely the below steps will not resolve your issue.
Reboot the computer, as the computer is starting you should see a message to press any key to boot from the CD. When you see this message press any key.
In the Microsoft Windows XP setup menu press the R key to enter the recovery console.
Select the operating system you wish to fix, and then enter the administrator password.
Type expand d:\i386\ntoskrnl.ex_ c:\windows\system32
You will then be prompted if you wish to overwrite the file type Y and press enter to overwrite the file.
Type exit to reboot the computer.
Windows NT installed on a partition bigger then 7.8GB
If you are running Microsoft windows NT 4.0 on a partition larger than 7.8GB this issue can occur if the boot files are located outside this limitation. When this error occurs your computer will have the

error message as shown below.

OS Loader v4.01
Disk I/O error status=00000001
Windows NT could not start because the below file is missing or corrupt: winnt\system32\Ntoskrnl.exe
Please reinstall a copy of the above file.

If your system partition is larger than 7.8GB you will need to delete the partition and recreate the partition to 7.8GB or less. Additional information about this issue can be found on Microsoft KB Q224526.

Corrupted hard disk drive or severely corrupted Windows
Attempt to check the hard disk drive for any errors by running the chkdsk error. To do this follow the below steps.

Insert the Microsoft Windows XP CD. Note: If you have a recovery CD or a restore CD and not a Microsoft Windows XP CD it is likely the below steps will not resolve your issue.
Reboot the computer, as the computer is starting you should see a message to press any key to boot from the CD. When you see this message press any key.
In the Microsoft Windows XP setup menu press the R key to enter the recovery console.
Select the operating system you wish to fix, and then enter the administrator password.
Once at the recovery console type chkdsk /r
Once completed type exit and see if issue is resolved.
If after trying all of the above steps you are still encountering the same issue it's likely that Windows is severely corrupted and it is recommended you attempt to reinstall Windows. Additional information about erasing the computer and starting over can be found on document CH000186.
Finally, if during the Windows installation you encounter errors it's likely that your hard disk drive is bad.

Oct 09, 2008 | Dell OptiPlex GX110 PC Desktop

1 Answer

ACER DESKTOP COMPUTER


Issue: NTOSKRNL.EXE is missing or corrupt.
Related errors:
Below is a listing of the full error message that may be related to this error.
Windows NT could not start because the below file is missing or corrupt:
C:\Winnt\System32\Ntoskrnl.exe
Cause:
  1. Keyboard issue
  2. Miscellaneous corruption
  3. Corrupt boot.ini file.
  4. Missing boot.ini file.
  5. Missing or corrupt ntoskrnl.exe file.
  6. Windows NT installed on a partition bigger then 7.8GB
  7. Corrupted hard disk drive or severely corrupted Windows.
Solution: Keyboard issue This issue has also been known to be caused by a short in the ground wire in the keyboard cable. Make sure this is not the cause of your error by replacing the keyboard with a different keyboard or simply just disconnecting the keyboard from the computer.
Miscellaneous corruption Before trying any of the below recommendations it's recommend that you attempt to load the last known good configuration. Additional information about doing this can be found on document CH000626.
Corrupt boot.ini file This issue is often caused when the boot.ini is missing or improperly configured. This issue often arises after a user has recently added or removed an operating system on the computer or added or removed hard disk drives in the computer. Make sure the line pointing to the operating system and it's drive and partition is properly configured in the [boot loader] and [operating systems] section. Additional information about boot.ini can be found on document CH000492.
Missing boot.ini file Microsoft Windows XP users: If the boot.ini is severely corrupted or missing a user running Microsoft Windows XP can rebuild the boot.ini to resolve this issue. Additional information about rebuilding the boot.ini can be found on document CH000648. Microsoft Windows NT and Windows 2000 users: To restore the original boot.ini file in Microsoft Windows NT or Windows 2000 you will need an ERD and follow the below steps. If you do not have an ERD you will be unable to follow these steps.
  1. Boot the computer with your Windows NT three setup diskettes or the Windows 2000 setup disc.
  2. In the setup menu, type R to start the repair.
  3. When prompted for the ERD diskette insert the diskette and inspect the startup environment.
Missing or corrupt ntoskrnl.exe file If the ntoskrnl.exe file is corrupt or missing this can also generate the error. To restore this file follow the below steps.
  1. Insert the Microsoft Windows XP CD. Note: If you have a recovery CD or a restore CD and not a Microsoft Windows XP CD it is likely the below steps will not resolve your issue.
  2. Reboot the computer, as the computer is starting you should see a message to press any key to boot from the CD. When you see this message press any key.
  3. In the Microsoft Windows XP setup menu press the R key to enter the recovery console.
  4. Select the operating system you wish to fix, and then enter the administrator password.
  5. Type expand d:\i386\ntoskrnl.ex_ c:\windows\system32
  6. You will then be prompted if you wish to overwrite the file type Y and press enter to overwrite the file.
  7. Type exit to reboot the computer.
Windows NT installed on a partition bigger then 7.8GB If you are running Microsoft windows NT 4.0 on a partition larger than 7.8GB this issue can occur if the boot files are located outside this limitation. When this error occurs your computer will have the error message as shown below. OS Loader v4.01
Disk I/O error status=00000001
Windows NT could not start because the below file is missing or corrupt: winnt\system32\Ntoskrnl.exe
Please reinstall a copy of the above file. If your system partition is larger than 7.8GB you will need to delete the partition and recreate the partition to 7.8GB or less. Additional information about this issue can be found on Microsoft KB Q224526.
Corrupted hard disk drive or severely corrupted Windows Attempt to check the hard disk drive for any errors by running the chkdsk error. To do this follow the below steps.
  1. Insert the Microsoft Windows XP CD. Note: If you have a recovery CD or a restore CD and not a Microsoft Windows XP CD it is likely the below steps will not resolve your issue.
  2. Reboot the computer, as the computer is starting you should see a message to press any key to boot from the CD. When you see this message press any key.
  3. In the Microsoft Windows XP setup menu press the R key to enter the recovery console.
  4. Select the operating system you wish to fix, and then enter the administrator password.
  5. Once at the recovery console type chkdsk /r
  6. Once completed type exit and see if issue is resolved.
If after trying all of the above steps you are still encountering the same issue it's likely that Windows is severely corrupted and it is recommended you attempt to reinstall Windows. Additional information about erasing the computer and starting over can be found on document CH000186. Finally, if during the Windows installation you encounter errors it's likely that your hard disk drive is bad.

best regards wish u give me a good rate ^^

Aug 15, 2008 | Acer PC Desktops

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