Here is a stab in the dark, do you have the latest Detenator Drivers?
You might also need to consider hardware compatibility issues with your Video Card. There might be some options in the BIOS you have to tackle for your Game to work properly. Sorry man, you might need to post again with more clear details as to what is happening. Also mension what drivers, codecs anything you have installed. Even better get a program like Fresh Diagnose
this will look at all your hardware specs and tell you everything you didn't or already did know about your system.