I have an 20" imac G5. Video Games have just rescently begun crahing my computer, even though gameplay had operated normally for several months. A game will Freeze after a couple of minutes of gameplay. After being frozen for a minute, a grey box, that tells me I need to restart my computer, comes up. The computer starts up fine, and all other programs, and the internet run without problems. I ran a hardware check, and there were no errors. What's going on?
Thanks,
Mitch
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