i'm running windows 7 ultimate 64 on a m4a79xtd evo mother board. have 8 gigs of ram. amd readeon 5770 graphics amd phenom quad core 955 blk.
i bought a amd radeon 5770 to go with the one i already have (for crossfiring) when i put both cards in (crossfired or not) i get bsod after about 20 mins. if i take out the new card, no problems. take out old card, cash. done everthing i can think of. antythoughts