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Installer reports "This disk cannot be used to start up your computer"

782 Views 4 Replies Latest reply: Nov 7, 2012 6:26 PM by Yuengdog1983 RSS
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Nov 7, 2012 7:49 AM

My software is up to date...and all I need to do is install Mountain Lion.  I get all the way to the choosing a disk(the only ones that shows up, Machintocsh HD...then this message pops up..."This disk cannot be used to start up your computer" ***?.....


Yep, I need some assistance please.  Can anyone help me?.....


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