What the title says. I'm trying to delete all the data off my macbook air. I pressed command+r, went to disk utilities, selected my disk in the slot to the left, went to the erase tab. The "erase" button is faded so I can't click it. Format is at Mac OS Extended (Journaled) already, but it's also faded out. Almost every option is faded. What's wrong? Why won't it let me erase the disk?
protected by Community♦ Nov 16 '15 at 8:30
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