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I can't partition my internal disk

Hi there

I want to partition my internal disk as I want to resintall macOS and there is no disk to select.

Once I click on partition , the + sign is greyed out and cant do anything.

What should I do? Can I restore the internal disk?

Thanks

iMac 21.5", macOS 10.15

Posted on Apr 30, 2020 1:00 AM

Best reply

Community+ 2024

Level 10

139,848 points

Posted on Apr 30, 2020 4:22 PM

You may need to boot from a different disk to partition the internal disk.

Some actions on the boot disk are not allowed or are limited.

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