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I try to reinstall Mac Os ,but can not format my partition

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MacBook Pro, OS X Mavericks (10.9.1)

Posted on Feb 1, 2014 9:32 PM

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12 replies

Feb 2, 2014 9:17 AM in response to BestCup

If your Mac shipped with OS X 10.7 or later preinstalled, or if it's one of the computers that can be upgraded to use OS X Internet Recovery, you may be able to netboot from an Apple server by holding down the key combination command-option-R at the startup chime. Release the keys when you see a spinning globe. You should then be able to partition the drive.


Otherwise, you'll have to boot from another local drive.

I try to reinstall Mac Os ,but can not format my partition

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