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Q: OS X Yosemite Instalation

I have downloaded OS X Yosemite and attempted an install on my 2008 mac book pro. There seem to be a problem because for the last 1 hour the intro is sounding every 2 to 3 minutes but the screen remain black. It seems to be attempting to restart but failing?. Can anybody assist?

MacBook Pro, OS X Mountain Lion (10.8)

Posted on Mar 11, 2015 10:26 AM

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Q: OS X Yosemite Instalation

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