Download this tool. It'll tell you all you want to know about your computer, and some.EVEREST Home Editionhttp://www.softpedia.com/get/System/System...e-Edition.shtml
EVEREST Home Edition is a free system diagnostics, system information and benchmarking solution for home PC users, based on the award-winning EVEREST Technology. If you don't know what type of video card you have, or anything else about your computer, then you'll need this.
Where you see the question mark, you can safely delete it from the list, and just reboot, and hopefully Windows will install the drivers for it.