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mac os 11.2.2 installation stops at 15 minutes

I have downloaded it 3 times. Running 11.2.1. Have direct 1gb ethernet connection to the iMac. I have tried to install it several times. Gets to Preparing to Install time remaining 15 minutes then never completes. Have been attempting this over a hour.

iMac 21.5″ 4K, macOS 11.2

Posted on Feb 25, 2021 7:22 PM

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Posted on Feb 25, 2021 7:36 PM

FWIW, the update doesn't count down. It stays on 15 mins for a time, then switches to 10 mins for some time, then switches to 5 mins until it starts the install.


If that doesn't work, try while in Safe Mode.

How to use safe mode on your Mac - Apple Support

5 replies

mac os 11.2.2 installation stops at 15 minutes

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