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How do I set up a dual boot with 10.8 and 10.7

539 Views 3 Replies Latest reply: Jan 29, 2013 1:18 PM by The hatter RSS
quantumgiant1 Calculating status...
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Jan 29, 2013 8:05 AM

I want to set u a dual boot system using so10.8 and os 10.7 I have my disk for 10.7 and 10.8 is curently my os. I have an empety hard drive partition I want to install 10.7 on to but when I try to start up my computer with the instalation disk it gives me the "this computer needs to restart please push and hold your power button" message. Can any one help?

 

Thank you

 

Mike

Mac Pro (Early 2009), OS X Mountain Lion (10.8.2)

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