Here’s the thing, I recently purchased my 1st built ASUS P7P55D INTEL Core i5 750 GSKILL DDR3 2x 2gb PC 1333 CORSAIR HX650 SAPHIRE HD5870 APC PSU battery Then we installed windows 7 with no hitch. I installed the drivers that came w/ the motherboard, then downloaded the latest driver for ATI...