I've been experiencing frequent and random crashes with my GeForce 6800 GT. The crashes don't seem to have any triggers, they do however only occur during game play. The crashes occur randomly, regardless of what game I'm playing, it could be fifteen minutes into a game or an hour. When the crash occurs the screen will freeze with a random color mosaic pattern. Sometimes the audio may loop, or continue playing. The crash is unrecoverable, and forces me to reboot the computer. I have tried just about everything I can possibly think of to fix this, but nothing seems to work. I've updated all drivers, tried old drivers, turned FastWrites off in BIOS, ran a memory test, etc. As far as cooling is concerned I don't believe that is the issue as the problem has just recently shown up, and I have made no changes to my cooling layout. The card runs idle at about 60 C to 65 C, and while gaming it can get into the 80's. If any extra info is needed, DXDiag info etc. I'll be more than happy to provide it. I really appreciate any input anybody can give me.