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BLARGiAMdEAD

GTS 450 Screen Tearing (and other issues)

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Since I updated to Mountain Lion I've been noticing quite a few issues with my GTS 450 graphics card. The computer doesn't sleep, but after waking from display sleep, I either have bizarre tearing issues or a blank grey screen with a mouse pointer and nothing else (in which case I have to reset the computer). The tearing seems to be more common; it primarily seems to affect Safari or the desktop picture. Restarting Safari or logging out fixes it. The old random freeze bug also seems to be back, and I'm experiencing the blue screen on resolution switch that some other people have mentioned. I switched to the DP3 rollback graphics kexts, but that doesn't seem to have changed anything (although everything seems generally faster with them; faster than Lion, definitely). I'm using Chameleon's Graphics Enabler.

 

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