Hey guys. I'm new to the whole computer thing, and I am having problems with my new vid card. When I play video games (I.E. Americas Army), eventually my computer will freeze up totally after a period of time, which can range anywhere from 15 mins of play, to 1 hour of play. My computer will freeze up, and I can't do anything but manually shut down the computer. A program I have running in the background (TeamSpeak) still operates, and I can hear people who are on it talking back and forth, but they can't hear me. Also, when the game is about to freeze, the screen sometimes goes black, but I can still see the display surrounding the actual game screen, i,e., the amount of ammo, and grenades or whatever. My computer is: HP 2800+2.08GHz AMD Athlon XP processor 512 MB DDR SDRAM 120GB HD Video Card: Nvidia Chaintech Geforce 6600 256MB P.S. When I run the game using the graphics that came with the computer (Nvidia GeForce 4 MX 64MB DDR Shared Video Memory), the game doesn't freeze up. Is there something in the BIOS I have to do???