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Q: iMac with a grey screen - won't boot

I downloaded some Apple updates.  Now when I turn on my iMac, I get a grey screen, spinner, and progress bar.  When the progress bar finishes, the computer shuts down a short while later.  I'd appreciate any help.

iMac

Posted on Apr 27, 2014 8:21 PM

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Q: iMac with a grey screen - won't boot

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