Screen flickering in Vista

So I've been having this problem with my laptop where everytime the computer comes out of sleep mode the screen flickers wildly. After searching for a fix I finally decided to download the driver for vista, lo and behold it fixed the problem. So for those of you running ATI xpress cards I can only assume that the fix for this problem lies in getting the updated driver for your card. For Nvdia cards I can't say much, more to come.