disk utility wont allow me to use the erase function

im trying to get my mac ready for sale but i need to erase all the files first and for some reason disk utility wont allow me to use the erase function. any ideas on what to do?

MacBook Air 13″, OS X 10.11

Posted on Jan 22, 2021 4:25 PM

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Posted on Jan 22, 2021 4:31 PM

If you haven't already done so, see the link posted above…

How to erase your Intel-based Mac - Apple Support

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disk utility wont allow me to use the erase function

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