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I have chosen a screen resolution that has corrupted the display and now I can't change it back.
John Savill
March 4, 1999
1 Min Read
A. When you try and change screen resolution, Windows NT asks you to test it, if you ignore this and set the display to a resolution that causes a problem your only course of action to to boot in VGA mode, and then once in VGA mode set the resolution back to something you know works.
Reboot the machine
Select the option
Windows NT Workstation Version 4.00 [VGA mode]
If you find you don't have this option edit boot.ini and add a line similar to your normal NT Workstation startup with the /basevideo /sos, e.g.
multi(0)disk(0)rdisk(0)partition(2)WINNT="Windows NT Workstation Version 4.00 [VGA mode]" /basevideo /sosThe machine will boot in base 16 colour VGA mode
Select the Display Control Panel applet (start - settings - control panel - display)
Click the Settings tab and change to a resolution you know works (use test)
Click OK
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