Question mark startup.
I was trying to factory reset my computer and I may have wiped the wrong disk. My computer continuously flashed a question mark when I start it up.
MacBook Air
rance20 Said:
"Question mark startup.: I was trying to factory reset my computer and I may have wiped the wrong disk. My computer continuously flashed a question mark when I start it up."
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What to Try:
Go Here: If your Mac Starts Up to a Question Mark - Apple Support