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Level 1

9 points

how to revert to catalina from big sur

I am not able to use either my usb connected Brother printer or my Canon wireless printer since upgrading to Big Sur. I want to revert, but my backup got corrupted. How do I remover OS Big Sur and install Catalina?

MacBook Air 13″, macOS 11.6

Posted on Oct 9, 2021 6:09 PM

Top-ranking reply

Jack-19

Level 8

46,008 points

Posted on Oct 9, 2021 6:15 PM

Welcome to the Apple Support Communities.

It is wiser to fix any issues with macOS Big Sur than attempt to install macOS Catalina.

First, delete all printer software. Next, Reset the Mac printing system. Finally, Add a printer.

Jack

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how to revert to catalina from big sur

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