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Old Oct 15, 2012, 11:22 PM   #1
alec6542
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Question about installing OS X 10.8 on USB drive

So my brother's MacBook Pro has OS X 10.6 running on it. I want to install Mountain Lion on it, but our internet is too slow to download it and install it OTA. I have a copy of the Mountain Lion installer.app downloaded on my Mac. Can I simply copy the installer.app to a USB thumb drive, copy it onto the other computer, and install it? Or is it necessary to first make a "bootable" install drive of the OS on the USB drive (say, with LionDiskMaker?). What's the difference anyway?

Thanks for any help
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Old Oct 16, 2012, 12:01 AM   #2
Rob C
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Just use the LionDiskMaker, so easy to use and dont even need to think about anything, it does it all for you as if by magic!!
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Old Oct 16, 2012, 12:06 AM   #3
alec6542
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Thanks for your reply. I'm curious though whether or not the first method (simply copy and pasting the Mountain Lion installer.app onto a USB flash drive and pasting it to the other computer, and then clicking on it and installing Mountain Lion. What is the advantage of LionDiskMaker?
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