Hello, Building new pc and I am getting random blackscreens. Some times before windows7 starts sometimes hours after windows has beeen running. My mobo is ta760gm2 with athlonx2 4850, corsair tx750, ocz fatality 2x2gb, velociraptor 74gb hd and wd caviar black 1tb hd. CPU never gets over 46c I have tryied reinstalling the os several times and got many updates completed.