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Level 1

5 points

how to reinstall my Mac OS system

reinstalling my os system

iMac 21.5″, macOS 10.15

Posted on Oct 8, 2021 12:04 PM

Top-ranking reply

Level 7

23,711 points

Posted on Oct 8, 2021 12:29 PM

Restart you Mac in recovery mode (press and hold the ⌘R keys at startup).

Then select reinstall macOS and launch the process.

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