Everything occurs so quickly and apparently out of the blue. When you are diverted to your Desktop and get the notice “This Mac can’t connect to iCloud
If that Does not work then you can also Restart your Mac to Resolve this Issue.
Attempting to sign into your Apple ID online is the next step in determining why your Mac is unable to connect to iCloud.
Try logging out of iCloud on your Mac and logging back in if the iCloud connection problem continues even after you’ve updated your Apple ID password.
If restarting didn’t solve the issue, your internet connection could be the culprit.
Your outcomes ought to substantially correspond to the speed that is listed on your internet service provider’s (ISP) plan.