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Mac shuts down during start up

Tags:
  • Computers
  • Apple
  • Mac OS X
  • Macintosh
Last response: in Mac Os X
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August 6, 2014 8:06:10 AM

When I turn on my mac a white/gray screen comes up with the apple logo and a bar but before the bar ever loads, the computer shuts down.

More about : mac shuts start

August 6, 2014 8:16:36 AM

If this is a true Mac (i.e. not a Hackintosh), then Apple Support is probably your best bet.
Otherwise, it sounds like a power-related problem. Did you do any recent hardware upgrades?
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August 6, 2014 8:27:37 AM

Google "macintosh shuts down whilst booting". You'll find several hits with various suggestions of things to try.
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August 7, 2014 6:31:11 AM

it could be a system brick, i repaired this by reinstalling OS X on my mac
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August 25, 2014 12:37:36 PM

Depending on how old your mac is, it could potentially also be your hard drive starting to fail. Exhaust all other potential fixes before replacing it. And definitely take it to an Apple Store to check for you if you're unsure.
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