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Revert to older MacOS

How do I change to MacOS Ventura back to MacOS Sierra?


iMac 27″, macOS 13.0

Posted on Oct 30, 2022 4:09 PM

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Posted on Oct 30, 2022 5:26 PM

That far back requires a complete Erase of the drive & formatting it back to MacOS extended Journaled instead of APFS which Sierra can't deal with.


Do you have a good backup?

3 replies

Revert to older MacOS

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