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How can I go back to Catalina from Big Sur? My iMac doesn’t work anymore with Big Sur, it takes so long to boot up, nothing opens up anymore, it’s just plain awful and I think I ruined my iMac. 😢
iMac 21.5″ 4K, macOS 10.15
See if the following support article answers your question:
See if the following support article answers your question:
As @ Tesserax has offered potential solution - the Time Machine Back hopefully Pre-Dates the Big Sur update. It is my understanding, can be corrected by Senior Contributors here - if the TM Dive was used on Big Sur there might be some issues accessing the Backups from previous of OS Catalina.
Going back to Catalina from Big Sur
