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Level 1

4 points

How to fix Sleep wake failure in EFI on iMac?

using iMac late 2015 and getting constant sleep wake failure in EFI notices. Cant fix and have tried all i know

[Edited by Moderator]

Posted on Sep 2, 2021 10:46 AM

Top-ranking reply

Level 6

12,686 points

Posted on Sep 2, 2021 12:08 PM

Try disabling sleep during regular use. Check “Prevent…” in Energy Settings. Shut down for long absences.

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