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SeoyunK Author

Level 1

4 points

mac os Monterey

I tried to install Mac OS Monterey, and the message "checking '(null)'" keeps popping up, and I don't know what to do to get rid of it/ what it is actually doing.

MacBook Pro 13″, macOS 10.13

Posted on Jun 23, 2022 11:18 PM

Similar questions

2 replies

-Bubba-

Level 6

10,344 points

Jun 23, 2022 11:28 PM in response to SeoyunK

Try resetting your NVRAM/PRAM - Reset NVRAM or PRAM on your Mac - Apple Support

If that won't work, startup from macOS Recovery (CMD + OPT + R) and select "Reinstall macOS". This should install the latest compatible software, which in your case is Monterey. BACKUP STRONGLY RECOMMENDED!

PRP_53

Level 10

91,705 points

Jun 24, 2022 4:01 AM in response to SeoyunK

If an error occurred while updating or installing macOS

mac os Monterey

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