How to install Mac OS X onto an external drive http://support.apple.com/kb/ht5911 http://support.apple.com/kb/ph11273 http://www.hongkiat.com/blog/clean-install-mountain-lion/
Learn MoreHow to install Mac OS X onto an external drive http://support.apple.com/kb/ht5911 http://support.apple.com/kb/ph11273 http://www.hongkiat.com/blog/clean-install-mountain-lion/
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