Windows NT Starts in VGA Mode After You Update to SP4

ID: Q197537

The information in this article applies to:

Microsoft Windows NT Workstation version 4.0
Microsoft Windows NT Server version 4.0
Microsoft Windows NT Server, Enterprise Edition version 4.0

SYMPTOMS

After you apply Windows NT 4.0 Service Pack 4, Windows NT may start in VGA mode.

CAUSE

This problem has been observed with the following video adapters:

Number Nine Revolution 3D AGP graphics Accelerator

NeoMagic MagicMedia 256AV Multimedia Accelerator

RESOLUTION

A supported fix that corrects this problem is now available from Microsoft, but has not been fully regression tested and should be applied only to systems experiencing this specific problem. If you are not severely affected by this specific problem, Microsoft recommends that you wait for the next Windows NT service pack that contains this fix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information on support costs, please go to the following address on the World Wide Web:

http://support.microsoft.com/support/supportnet/default.asp

The English version of this fix should have the following file attributes or later:


   Date      Time                 Size    File Name     Platform
   -------------------------------------------------------------
   10/27/98  04:41p               25,104 Videoprt.sys  (x86)
   10/27/98  04:41p               32,816 Videoprt.sys  (Alpha)

NOTE: If you contact Microsoft to obtain this fix, a fee may be charged. This fee is refundable if it is determined that you only require the fix you requested. However, this fee is non-refundable if you request additional technical support.

For more information about eligibility for no-charge technical support, see the following article in the Microsoft Knowledge Base:

Q154871 Determining If Your Product Is Eligible for No-Charge Technical Support

STATUS

Microsoft has confirmed this to be a problem with Service Pack 4 for Windows NT version 4.0.

Additional query words: sp4

Keywords : kbbug4.00 kbfix4.00
Version : WINNT:4.0
Platform : winnt
Issue type : kbbug