I had similar problems with G2. Try upgrading your Direct-x. If you go to the main G2 menu, there should be a box there to click on itand it will take you to a page to download/upgrade your software. Also, there is an icon there, I can't remember exactly what it's called, but you can test various things to see if your video cards are causing the problem or what. I'm at work right now (SHHHHH) or I'd tell you what it was for sure. Lemme check when I get home and see if I can find what I'm looking for and describe it better. G2 gave me fits for a long time, but finally it's working great for me and I am beginning to enjoy it!