Checked Nvidia's site and noticed new drivers and so I went ahead and installed them and rebooted. Tried a fresh new campaign game and it locked up after two turns. I've attached the dxdiag. Going to also try the video thread that you suggested.

Trey

I will update the drivers and get the information tonight when I get home. Appreciate the help.

Trey

I cannot seem to get past three turns before the game completely locks up the computer. It does not seem to be related to turn processing. Normally it happens when I walk away for a few minutes and come back and the the whole game is frozen. I cannot alt-tab out or anything and must do a reboot. It ...