HT202731: Using Apple Diagnostics
Learn about Using Apple Diagnostics
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Helpful answers
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Dec 10, 2014 10:39 AM in response to Oasis13by Niel,If you're asking how to restart the computer, do so from the Apple menu.
If you're asking how to reset it to its factory settings, click here and follow the instructions. If the computer originally shipped with Mac OS X 10.6.8 or earlier, when you reach step 5, insert its original disk, restart with the C or Option key held down, use the Disk Utility to erase the internal drive, and install a fresh OS.
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