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User profile for user: saman20
saman20 Author
User level: Level 1
4 points

Erasing MacOS

I erased MacOS to reinstall a different version, but when I try turning it on, a folder with a question mark keeps popping on and off.

MacBook Air 13″, macOS 10.15

Posted on Jun 22, 2020 4:55 PM

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User profile for user: BobTheFisherman
BobTheFisherman
User level: Level 10
81,541 points

Posted on Jun 22, 2020 4:57 PM

If your Mac starts up to a question mark - Apple Support

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Erasing MacOS

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