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Unformatted disk partition macOS Sierra

Hi I was wanting to know if anyone could help me with this problem when I was trying to remove a partition but then when I removed it a unformatted partition appeared and it was pretty much locked down I couldn’t do anything with it even if I tried to erase my main drive it would just display an error. I have a MacBook Pro early 2011.




MacBook Pro 13″, macOS 10.12

Posted on Oct 29, 2020 6:05 PM

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6 replies

Oct 30, 2020 1:22 AM in response to nyan1011

From your screenshots the Volume macOS Sierra is greyed out.

Highlight it and then click on the Mount button.

If you erase the Hitachi disk you will erase everything on that disk

is that what you want to do you will lose all your data.

Before erasing your disk completely have you got a copy of the OS on a bootable USB stick,

I would not rely on Apples Recovery Servers.

Unformatted disk partition macOS Sierra

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