Trying to erase HD with disk utility but it says operation cannot be performed because you cannot in mount the volume you are booted from. So how can I proceed to erase my HD?

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Level 1

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Trying to erase HD with disk utility but it says operation cannot be performed because you cannot in mount the volume you are booted from. So how can I proceed to erase my HD?

Posted on Feb 27, 2021 2:23 PM

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Answer 1

DonH49

Level 6

16,716 points

Feb 27, 2021 3:06 PM in response to kenfromco

you must boot the computer with some other compatible system installer. you can't use Dick Utility to erase a booted drive unless you boot from another system.

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Answer 2

DonH49

Level 6

16,716 points

Feb 27, 2021 3:25 PM in response to kenfromco

if this does not work for you, there are other options to try. This is the easiest on the common user.

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Trying to erase HD with disk utility but it says operation cannot be performed because you cannot in mount the volume you are booted from. So how can I proceed to erase my HD?

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