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Level 1

12 points

macOS Big Sur cannot be installed on "Macintosh HD"

I recently reset my Mac and installed MacOS sierra. I am now trying to install MacOS big Sur, but I get the following error -"macOS Big Sur cannot be installed on "Macintosh HD".

Posted on Sep 2, 2021 2:07 AM

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PRP_53

Level 10

86,605 points

Posted on Sep 2, 2021 7:05 AM

Restart in Recovery Mode >> Command + r << and do a Repair Disk and try again.

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macOS Big Sur cannot be installed on "Macintosh HD"

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