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Problem with waking from sleep with 10.8.2

85592 Views 263 Replies Latest reply: Mar 10, 2014 5:56 AM by Slinky09 RSS Branched to a new discussion.
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SusanLake Level 1 Level 1 (0 points)
Currently Being Moderated
Sep 21, 2012 1:53 PM

My Mac Pro (early 2009 2.66 GHz Quad-Core Intel Xeon) won't wake from deep sleep after installing OS X 10.8.2 . I have the default setting set for sleep. The only way to "wake" the machine is to hold the power button down to shut down and then restart. I've reset NVRAM (pram) and tried removing power cable. Nothing helps.

Mac Pro, OS X Mountain Lion (10.8.2)
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