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I am upgrading my iMac OS but it’s stuck

I am upgrading my iMac to Big Sur and it’s stuck on “Less than a minute remaining” but it’s been more like 20 minutes. What do I do now?

iMac 21.5″, macOS 10.13

Posted on Sep 1, 2021 3:11 PM

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46,002 points

Posted on Sep 1, 2021 3:13 PM

Wait an hour. If it still doesn’t complete, force shut it off and turn it back on.

Jack

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