9 Replies Latest reply: Oct 15, 2012 5:12 PM by Gregory Kane
chuckepoo Level 1 (0 points)

After installing Mountain Lion in my Mac Pro it won't wake up after long periods of sleep. I have tried unplugging it for 15 seconds and plugging it back in and starting it back up. No help. I've reset the Pram with no change.


Mac Pro, OS X Mountain Lion (10.8.1)