Installing a New Driver After Updating with a U.S. Service Pack

 Last reviewed: November 4, 1994
Article ID: Q122365
The information in this article applies to:
  • Microsoft Windows NT operating system version 3.1
  • Microsoft Windows NT Advanced Server version 3.1
  • Microsoft Windows NT Workstation version 3.5
  • Microsoft Windows NT Server version 3.5

SYMPTOMS

When you install a new driver on a Windows NT computer, Setup may request that you place the CD-ROM in drive A.

CAUSE

Even if you initially installed Windows NT from floppy disks, if you updated Windows NT with a Service Pack on a CD-ROM, the .INF files that were updated now expect future updates to be from the CD-ROM.

WORKAROUND

Replace the .INF file associated with the driver you are installing with the .INF file from the Windows NT floppy disks. and then expand that file from the appropriate floppy into the SYSTEM32 directory.

NOTE: For additional information on .INF files, please see the following article(s) in the Microsoft Knowledge Base: 

   ARTICLE-ID: Q101233
   TITLE     : Description of Windows NT Information Files (*.INF)

   ARTICLE-ID: Q103972
   TITLE     : Changing Setup Media, Description of Setup Information Files

Additional reference words: prodnt 3.10 3.50 Change Media
KBCategory: kbsetup
KBSubcategory: ntsetup

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Last reviewed: November 4, 1994
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