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Level 1

4 points

mac book pro 4,1 running 10.7.5 will not,reset pram.will not start up after chime.

the computer won't start up. never encountered this symptom before.Also tried disconnecting all, and holding down power key no result. Thanks for your help. Thomas

Mac Pro, Mac OS X (10.7.5), 17 inch

Posted on Jul 29, 2015 5:57 AM

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