The SSD boots perfectly when connected over USB, but is not found when connected internally. I made a clone with carbon copy cloner from the original HDD to the new SSD (ca. I want to do a clean install instead of cloning the hard drive because she has lots of stuff that she no longer needs on her computer, so I figure we might as well start fresh. I tried replacing my internal HDD by an SSD (crucial m550 - 256Gb) on my Mac with the latest OS running. I'm going to be putting a new SSD in my wife's MacBook Pro (mid-2012) and I want to make sure I understand the process of installing OSX onto the hard drive correctly.
