I have an MSI gtx 460 1gb on a new gigabyte p45 mobo that keeps freezing at the windows login screen. reinstalling the drivers a few times fixes it but if the computer freezes again (which isn't hard to do), the problem comes back. is this related? I've tried: not overclocking my cpu 4 different sets of drivers not using audio on the hdmi reinstalling windows 3x used two other cards (nvidia 9600gt and ati 4870) both works great everything is perfectly stable without the drivers. so I think the switching from 2d to 3d clocks is what causing the problems. videocard also works fine on a P35 system.