form last week to i am trying to upgrade my Mac mini OS catelina to big sur, i am unable to upgrade the OS. this is the error i am getting "An error occurred while installing the selected updates." . plz any one can help me for resolving this issue
Mac mini, macOS 10.15
What year model is your Mac mini?
https://support.apple.com/en-us/HT201894
Try using the following instructions.
https://support.apple.com/en-us/HT201475
If that does not help use Safe Mode.
What year model is your Mac mini?
https://support.apple.com/en-us/HT201894
Try using the following instructions.
https://support.apple.com/en-us/HT201475
If that does not help use Safe Mode.
Big Sur not upgrade
