Hi! The problem ocured on my Asrock G 41 M-S motherboard, after purcasing this video card (dit some benchmark testing first-was Ok), after a day I tried to power on the PC: booting, windows 7 logo, black screen, no signal input. I've tested the Mb with other video card, worked perfectly. I' ve changed even the power suply, nothing. after a while, i've changed my Pc: Asrock 970 extreme 3 R.2, Amd Fx 8350, thinking it was the old motherboard's fault. I've instal;led fresh windows 7 (working but lagging due the missing drivers), but after updating latest drivers, and restart:: BSOD, POWER ON again: loading windows logo, black screen, restarting. Can't even get into safe mode: loading to infinite, but after trying and trying i've managet to get to safe mode and unistal drivers. After that, the computer is booting, image lagging (no drivers) but every thing working ok. installed gpu gadget: doesn't even se my video card, zeros everywhere. I've tried startup repair, everything, please help! Ps: Inno 3D I Chill Nvidia GeForce 560 Ti, GeForce 331.82 Driver Whql