Mountain Lion screen crashes after returning from sleep [closed]

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http://serverfault.com – During the past 3 days I have experienced the following issue: when returning from sleep, I see an extremely garbled version of my desktop. The only thing that seems to help is a reboot. My first guess is that this is related to the video card. After looking into this issue, I found a lot of problems related to ML and returning from sleep, such as this post on AskDifferent: http://apple.stackexchange.com/questions/59859/how-to-stop-macbook-pro-r... but I think this is a different issue because it does not speak of a garbled screen. Some more (HowTos)