I just installed an Arctic Cooling NV Silencer 5 onto my BFG 6800GT OC. Used AS5 on the gpu and ceramique on the ram. i'm just letting you know what I've done before problems occured. So I put the video card in and then all of a sudden windows doesn't boot up. it just stays at the windows xp loading screen forever. so i reset and chose the "last known configuration that worked" setting from the boot menu. then windows boots up but my video card isn't noticed. so i uninstall the 67.02 drivers i had installed and reinstall the 66.93 drivers. reboot, and still no luck. when i go to the device manager, it notices the card indicates that there is a problem. what did i do wrong? how do i fix this?