Microsoft KB Archive/255046

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Situations in Which Windows 2000 May Not Start in Safe Mode


The information in this article applies to:

  • Microsoft Windows 2000 Professional
  • Microsoft Windows 2000 Server


You can use Safe mode to start Windows 2000 using a minimal set of drivers and services. If a faulty driver or program is causing problems, you may be able to use Safe mode to bypass the problem and start Windows 2000 so you can diagnose the problem. However, Safe mode may not work in all situations.


Safe mode may not work in these situations:

  • A mass storage driver (SCSI or IDE) is damaged or has been accidentally removed.

  • The Ntoskrnl.exe or Hal.dll file is damaged.
  • A program replaced system files that are critical to the operation of Windows 2000.

To attempt to diagnose a problem with Safe mode, follow these steps:

  1. Try all versions of Safe mode to see if Windows 2000 will start.
  2. If no version of Safe mode will start, try using the command console to replace or rename a fault driver or to disable or enable a service.
  3. If the command console does not resolve the issue, you may need to restore the system from a backup.

For more information about the command console or other Windows 2000 recovery options, please consult your Windows 2000 documentation.

Additional query words:

Keywords : kbtool KBW2KHOME
Issue type : kbinfo
Technology : kbwin2000Serv kbwin2000ServSearch kbwin2000Search kbwin2000ProSearch kbwin2000Pro

Last Reviewed: October 24, 2000
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