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Released April 2010 / 2.4, 2.53 GHz Core i5 or 2.66, 2.8 GHz Core i7 Processors

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MacBook Pro 15" A1286 booting the " No entry sing" come on

Year 2010 Mac book Pro 15" Model : A1286

Boot up the Apple logo appear and process bar half way through replaced by " No entry sign" .

Follow youtube tips to reset SMC but no hlep..

Answer this question I have this problem too

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1 Answer

Do you have a backup of your data? A reinstall of the OS may be needed.

Are you able to see your harddrives if you hold down the alt key when booting?

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Comments:

Hi, thanks your respond. Yes, I can see the harddrives when hold down the alt key during booting.

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