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i have a grey screen with a picture of a file folder with a question mark blinking. how do i load os

i have a grey screen with a picture of a file folder with a question mark blinking. how do i load os

Mac book air

Posted on May 17, 2015 9:22 AM

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1 reply

Level 10

83,916 points

May 17, 2015 2:23 PM in response to tmjjenk

Reset PRAM. http://support.apple.com/kb/PH18761

Reset SMC. http://support.apple.com/kb/HT3964

Choose the method for:

"Resetting SMC on portables with a battery you should not remove on your own".

Start up in Safe Mode. http://support.apple.com/kb/PH18760

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

Select Macintosh HD as the Startup Disk.

“Set the default startup disk” http://support.apple.com/kb/HT1310

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i have a grey screen with a picture of a file folder with a question mark blinking. how do i load os

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