Seems like a problem with the card to be honest. Almost seems like the card is just dying at this point.
Given that the 5870 works fine, I think it's safe to say your PC is fine.
I would say that as a last resort, try the video card out in another mach...
Given that the 5870 works fine, I think it's safe to say your PC is fine.
I would say that as a last resort, try the video card out in another mach...