Then, reset NVRAM and SMC and try if that help. I would first recommend creating a new user account and try there. It can be about software or hardware, it's hard to say. Otherwise, will take it to the shop - not keen to mess about with hardware even though it's out of warranty as the machine is still worth a fair bit I'd say.īackup first! Copy all your essential files, and make a Time Machine backup if possible.
Will open it carefully, hoping I'll find a busted fan or something silly like that. I think this indicates a hardware problem. Reinstalled OS X from scratch, but problem persists. Wondering if it is a heat-related problem. Having said that the components' temperatures seemed well behaved, I have started to notice that the problem occurs more readily when my room is warmer. OS X 10.8 (upgraded from Leopard, then Snow Leopard).I ran a temperature monitor in the background during use, and although it increased (as expected), it didn't seem to show unusually high readings for any components.Īnyone have any idea what could be wrong? Should I try reinstalling OS X from scratch, or is this definitely a hardware issue? I've censored (blurred out) some names to protect the innocent, but all the other glitches are part of the corruption. Somehow I managed to take a screenshot just before it went down, and I was surprised that it captured the carnage. Ultimately, the machine freezes or crashes. During "intensive" use (such as Photoshop, WebGL, etc.), the system starts to become very unstable, resulting in bizarre graphics corruption and other weird behaviour.
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