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My iMac won't wake up after sleep or screen saver.

178 Views 0 Replies Latest reply: Apr 5, 2013 5:34 PM by DaniRodriguez RSS
DaniRodriguez Calculating status...
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Apr 5, 2013 5:34 PM

For the last couple of days my late 2011 iMac (21 inch) has had this issue. If I press the power button, a dark screen will appear with the white cursor (*** apple?) and after a few seconds go back to sleep mode. The fans are running and the only way to turn it back on again is to force it by pressing the power button for 10 seconds or unplugging it.

I have tried reseting the SMC and PRAM, tried to repair the disk, deleted the Cashes and Cookies folders as shown on this post. I have updated the software from Mac OS X (10.7.2) to Mac OS X (10.7.5), showing no satisfying results.

My computer has never had an issue as serious as this one, as I can no longer just leave it there in standby without having to worry about an unsaved file or anything of the sort. What can I do?! Please help!

iMac, Mac OS X (10.7.5)

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