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Level 1

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I cannot start up Mac air it shows folder and question mark on it

MacBook Air, OS X Mountain Lion (10.8.3)

Posted on Apr 20, 2014 1:09 AM

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1 reply

Level 10

83,916 points

Apr 20, 2014 4:08 AM in response to AAung

Go step by step and test.

http://support.apple.com/kb/ts1440

Startup Manager to select Startup disk.

http://support.apple.com/kb/HT1310

Repair Disk

Steps 2 through 8

http://support.apple.com/kb/PH5836

Reset PRAM.

http://support.apple.com/kb/PH4405

Reinstall OS X

http://support.apple.com/kb/PH13871

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