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Erase or permanently delete all files from a hard drive

Once I have migrated all files from an old computer to a new computer, How do I permanently erase the hard drive on my old computer (2008 Silver Macbook, OS Yosemite version 10.10.5)?

MacBook, OS X Yosemite (10.10.5)

Posted on Jul 26, 2018 12:33 AM

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Question marked as Top-ranking reply

Posted on Jul 26, 2018 2:49 AM

Follow the steps here What to do before you sell or give away your Mac - Apple Support

You'll need your original install discs in order to properly erase the old Mac.

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Erase or permanently delete all files from a hard drive

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