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Can't install Mountain Lion, says "This disk cannot be used to start up your computer."

432 Views 1 Reply Latest reply: Aug 22, 2012 4:27 AM by mende1 RSS
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Aug 22, 2012 4:19 AM

I'm running Mac OS X version 10.6.8 (Snow Leopard).


Size of my disk is 249.72 GB. Available space is 161.36 GB.


I have deleted my partition already. Also repaired disk permissions but to no avail.



MacBook, Mac OS X (10.6.8)


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