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Crash upon waking from sleep on 24" Intel iMac

by Akopman / September 8, 2009 11:20 PM PDT

Just after my warranty expired I developed what I suspect will be an expensive problem. Upon awakening from sleep my computer cannot recognize the internal HD. I total freeze. If I power down & reboot everything works.

If I boot the computer from an external HD clone of my internal HD a can put the computer to sleep and wake up without a problem EXCEPT:When I do this the computer removes the internal HD icon from the desktop and Iget a dialog box informing me that the internal HD was improperly disconnected.

Any ideas where the problem may lie. I fear it may be the logic board.


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Would sound a little like
by mrmacfixit Forum moderator / September 9, 2009 6:36 AM PDT

a very tired hard drive that does not recognize the wakeup call.

I would seriously consider making sure my Time Machine backup was up to date and consider replacing that drive. Although drives are cheap,(ish) there is a fair amount of working involved in getting it into the iMac.

Not as expensive as a logic board replacement though


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Sleep problem
by Akopman / September 9, 2009 10:16 AM PDT

Unfortunately, a "tired" HD was my idea also. Relpaced it with a new HD. Same problem.


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that's not good,
by mrmacfixit Forum moderator / September 9, 2009 11:19 AM PDT
In reply to: Sleep problem

there's not a lot left now.


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Apart from the obvious,
by mrmacfixit Forum moderator / September 9, 2009 11:21 AM PDT
In reply to: that's not good,

Leave the beast unplugged from everything for 30 mins, plug it back in and fire it up
Find the Sleep prefs and trash them


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