Hi, my MacBook Air starts to a gray screen. Upon safe start, it is hung up on disk Os2: I/o error. How can I fix this?

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Kgripp Author

Level 1

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Hi, my MacBook Air starts to a gray screen. Upon safe start, it is hung up on disk Os2: I/o error. How can I fix this?

Hi,

My MacBook Air starts to a gray screen. It is hung up on diskO s2:I/o error.

How can I fix it?

MacBook Air

Posted on Jan 2, 2013 6:13 PM

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Answer 1

BGreg

Level 6

17,552 points

Jan 3, 2013 5:41 AM in response to Kgripp

See this Apple Note on solving boot problems with gray screen. When it talks about running Disk Utility, if you have OS X 10.7 or 10.8, boot holding the command and r keys down which will bring up the recovery menu, where you can use Disk Utility to repair the hard drive.

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