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Boot Camp 5 Mabook Air 2010 install Win7 using USB drive no longer possible in Mountain Lion?

658 Views 3 Replies Latest reply: May 13, 2013 8:08 PM by keithleyson RSS
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May 12, 2013 8:14 PM

In previous versions og OSX Snow Leopard and Lion, I was able to install Windows 7 via USB on my Macbook Air 2010 with the help of Boot Camp Assistant creating the partition and then using reFit to allow me to install once I restarted the Mac. Now this process is no longer working. I did some searching, and most people say that in Macbook Airs with Mountain Lion you can directly create your Win7 USB via your Win7 ISO. So I went ahead with the process. The problem Boot Camp will not detect my USB or the ISO. It will always search for the DVD. Can anyone please point me into the right direction how to go about installing Windows 7 via Boot Camp with Mountain Lion?


Some background:

Mountain Lion was downloaded from the Mac AppStore and isntallESD image used to create a USB installer.

Mountain Lion installed from scratch on a single partition drive (SSD).


Any help would be much appreciated.

MacBook Air, OS X Mountain Lion (10.8.3), Boot Camp 5.0.2


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