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How can I delete everything from my MacBook Pro before selling it?
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MacBook Pro turned off and won't turn on!
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How to set (restore) the com.apple.quarantine attribute?
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Mac OSX update broke booting Ubuntu
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My computer boots to a black screen, what options do I have to fix it?
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Boot stuck at logo screen after upgrading to 14.10
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How to bypass "Verify your account" (Factory Reset Protection)