In safe mode - the PC uses the lowest settings possible - so it wont allow you o change the display settings to anything higher.
So the only way to do that would be to boot up in normal mode
(I take it you mean windows 98SE)
WPA2 Hack Latest News: How Secure is your Wi-Fi?
Photoshop CC 2018 released with new Curvature Pen and better brush tools
Best kids apps for iPhone & iPad
Comment utiliser Twitter ?