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Discussion in 'MacBook Pro' started by zooby, May 10, 2014.
what OS X version are you using? There was an update made some months ago (years maybe, i forgot the exact time) to address some of these, mine was fixed after the update. Otherwise it might be a hardware thing.
My case was fixed with a Lion update.
If I'm not mistaken, that's the Nvidia model, correct? If so, that could be early signs of the video chip failing. Not meaning to give you a scare, just mentioning as those models are notorious for failed video. Google Nvidia GeForce 8600m GT failure
While not as common as the 8600 failures, I have seen some of those fail as well. Try resetting the PRAM and see if that helps. On boot hold cmd + alt/option + P + R.