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TS3926: OS X Lion: Installer reports "This disk cannot be used to start up your computer"

Learn about OS X Lion: Installer reports "This disk cannot be used to start up your computer"

TS3926 I try to install Mountain Lion and I can't. It says "This disk cannot be used to start up your computer"

7526 Views 34 Replies Latest reply: Dec 3, 2013 11:26 AM by Allan Eckert RSS
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JRodz26 Calculating status...
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Jul 25, 2012 1:18 PM

Today, after 3 hours downloading Mountain Lion, when I tried to install, thats what happens

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

I tried many ways to correct, but I can't.

 

Help Please!!

MacBook Pro, Mac OS X (10.7.3), 13-inch Late 2011
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