I asked about this issue on another forum, and here's there answer. I tried it, and it worked beautifully, so I thought that I would mention it here: goto start -> run and type in 'devmgmt.msc' without the quotes. Open the drill down menu for Display Adapters and it should tell you what card you hav...

Sorry for activating a dead topic, but I have been having this problem too - except I have Windows XP.