Should I refomat external harddrive?

Started Apr 7, 2012 | Discussions thread
benross
Contributing MemberPosts: 826
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Re: Should I refomat external harddrive?
In reply to Jen Yates, Apr 9, 2012

I just thought I could share something to this thread based on my own experience. Although the cause of not being able to boot from my external HD could be something else and now it is too late to figure that out, this would be my conclusion to initial question:

Yes, it might be a good idea to reformat your new HD if you are not sure it has GUID partition table and you have an Intel processor. Apple does not officially support APM for Intel processors.

But it does not help with opening up some room in your HD since there will always be a small portion of the capacity used for formatting and making it usable for your computer.
Fair enough?

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