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help need to undo catalina update

I need to undo the Catalin update since it broke DDO. But, I did not do a backup before I did the update

MacBook Pro 15″, macOS 10.15

Posted on Oct 2, 2020 8:03 AM

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Posted on Oct 2, 2020 8:09 AM

Refer to Revert your Mac to a previous macOS version - Apple Support.


Time Machine automatically creates a "local snapshot" prior to every macOS update. You do not have to explicitly create one. You only have to turn on Time Machine. To restore that local snapshot, select the Mac's startup disk in Step 4 of the above—not the Time Machine backup disk.

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Question marked as Top-ranking reply

Oct 2, 2020 8:09 AM in response to HotPinkElk

Refer to Revert your Mac to a previous macOS version - Apple Support.


Time Machine automatically creates a "local snapshot" prior to every macOS update. You do not have to explicitly create one. You only have to turn on Time Machine. To restore that local snapshot, select the Mac's startup disk in Step 4 of the above—not the Time Machine backup disk.

Oct 2, 2020 10:45 AM in response to HotPinkElk

You should definitely back up your files, but if Time Machine was "off" and you are absolutely certain that you had no backup prior to installing the update, "undoing" it is not practicable. It would require completely erasing the Mac first, and upgrading Catalina to a version immediately preceding its most recent update may not be possible.


I'd start by addressing the problem at hand: what is "DDO", and what led you conclude a routine macOS update broke it?


It's nearly certain its developer is aware of the problem. If they don't have an update for their product already, they are probably working on one.

help need to undo catalina update

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