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I held down all four keys and let them go after the second start up sound and then the screen with the file folder and question mark reappeared

When I go to reinstall macOS no start up disc appears and it said to reset the NVRAM and this screen still appears

MacBook Air 13″, macOS 11.2

Posted on Apr 21, 2021 10:53 PM

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I held down all four keys and let them go after the second start up sound and then the screen with the file folder and question mark reappeared

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