MacOS Big Sur
I install the update and my laptop is not working. How to restore my data and former softwere i don’t want this update anymore.
MacBook Air
I install the update and my laptop is not working. How to restore my data and former softwere i don’t want this update anymore.
MacBook Air
Restore it from the backup you made before you upgraded it.
Ref: Restore your Mac from a backup - Apple Support
MacOS Big Sur