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Level 1

4 points

Error updating Mac OS

I had to update my MacBook air to Mac Big Sur (previously i had mojave) as I had to back up my iphone and was unable to as my Mac Os was too ‘old’. While trying to update an error has occurred, I have already restarted my mac a lot of times and whenever i restart it it automatically goes to the update mode and the error message pops up again. I am unable to access my mac or any files in it at all as it automatically goes to the update page whenever i restart it and there is always an error when its updating.

i am a student and i it is very important for me to access my mac and its files but i am unable to do so. What should i do?

i have attached a photo of the error measage

MacBook Air

Posted on Feb 6, 2021 1:15 PM

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PRP_53

Level 10

91,219 points

Posted on Feb 6, 2021 1:33 PM

Try shutting down via Power Button. Disconnect any external drives. Re-start and right away hold - Shift. This is Safe Mode which will attempt a Repair Disk, Clear cache file and only load required Apple Software . . so the loading will be slow - Normal. This may give the software update time to perform the upgrade. If successful. Big Sur will load the Log in Screen.

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Error updating Mac OS

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