iMac restarts after shutdown since update to Big Sur

iMac restarts after shutdown since updating to Big Sur. How do I fix this?

iMac 27″, macOS 11.5

Posted on Sep 10, 2021 06:36 AM

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Luis Sequeira1

Level 9

71,970 points

Posted on Sep 10, 2021 07:11 AM

Restart in Safe Mode, then shutdown. Does it still restart?

Try resetting SMC and NVRAM.

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1 reply

Top-ranking reply

Luis Sequeira1

Level 9

71,970 points

Sep 10, 2021 07:11 AM in response to CrazyDogChick

Restart in Safe Mode, then shutdown. Does it still restart?

Try resetting SMC and NVRAM.

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iMac restarts after shutdown since update to Big Sur

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