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.

macOS Big Sur cannot be installed on "Macintosh HD"

I recently reset my Mac and installed MacOS sierra. I am now trying to install MacOS big Sur, but I get the following error -"macOS Big Sur cannot be installed on "Macintosh HD".

Posted on Sep 2, 2021 2:07 AM

Reply
Question marked as Top-ranking reply

Posted on Sep 2, 2021 7:05 AM

Restart in Recovery Mode >> Command + r << and do a Repair Disk and try again.

1 reply

macOS Big Sur cannot be installed on "Macintosh HD"

Welcome to Apple Support Community
A forum where Apple customers help each other with their products. Get started with your Apple Account.