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Random sleep mode after Mountain Lion install

Hello, I have a MacBook air 11" late 2011.

after installing Mountain Lion I get random sleep modes, usually right after a waking up the computer.

that has never happened before so I assume that it is a sotware issue.


I do not have a hot corner for sleep (have checked)


anybody else has the same problem

MacBook Air, OS X Mountain Lion, MacBook air 11" late 2011

Posted on Aug 1, 2012 2:55 AM

Reply
111 replies

Aug 1, 2012 3:00 AM in response to paul-sweden

There is a setting which may be on by default to sleep the computer after n minutes of activity, but that shouldn't kick in right after waking up. Check anyway, its here:


 > System Preferences.. > Security & Privacy > General | Advanced


(you may have to click the padlock first to activate the 'Advanced' tab)


If that's not causing it, try resetting the PRAM and SMC.

Random sleep mode after Mountain Lion install

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