Product specifications

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90 • Installation & Administration Guide
Chapter 7 • Managing Your Windows NT Workstation
Creating a Windows NT Repair Disk
A Windows NT Repair Disk can be used to recover from a system failure in
which the operating system has become corrupted. You should create a Repair
Disk after any addition to the system, be it software or drivers.
To create a Windows NT repair disk
1. Go to Start > Run.
2. Under Open, type rdisk /s (note the space) and click OK.
A Saving Configuration progress indicator is displayed.
3. When prompted, insert a diskette, and click Ye s .
The Windows NT repair disk is created.
You can make duplicates of the diskettes or save their contents on another
storage device for added security.
Critical Windows NT System Files
The following three files are critical to the Windows NT operating system.
Should they be destroyed or corrupted, Windows NT will not boot or let
users log in.
• C:\Boot.ini
• C:\Ntdetect.com
• C:\Ntldr
• C:\WinNT\system32\Ntoskrnl.exe
Copy these files to a diskette, and store it in a safe location.
To replace these damaged files on a corrupted system
1. Start up the system using a DOS boot diskette.
2. Copy the above files to the root directory of the C: drive.
When Windows NT crashes with a blue screen, it is often due to
corruption of the Ntoskrnl.exe file. Using the above method to
replace the corrupted file often recovers the operating system.