You can make a difference in the Apple Support Community!

When you sign up with your Apple Account, you can provide valuable feedback to other community members by upvoting helpful replies and User Tips.

Looks like no one’s replied in a while. To start the conversation again, simply ask a new question.

RBourland Author

Level 1

8 points

What can be done about a message (damaged Core Storage Users) when trying to install Big Sur OS?

MacBook Pro 15″, macOS 10.12

Posted on Dec 15, 2020 12:21 PM

Top-ranking reply

putnik

Level 4

1,179 points

Posted on Dec 15, 2020 12:33 PM

I would boot from my USB installer or Recovery and open Disk Utility to make some First Aid checks. If the disk fails these, it may need to be erased and reformatted APFS and for the installation to include transfer of your user data from your Time Machine or other backup

View in context

What can be done about a message (damaged Core Storage Users) when trying to install Big Sur OS?

Similar questions