Since I updated to macOS High Sierra on December 18, I have been getting a Sleep Wake Failure on my 27" iMac. Can I fix this or do I need to take it in to Apple?
iMac, macOS High Sierra (10.13.2)
The only fix I can find for this bug is to un-encrypt the start up drive. Then, everything works perfectly.
10.13.5 seems to have fixed the problem for me.
My iMac woke up fine a few times without the issue after the update.
I'll be checking that out in the forthcoming days to be sure.
Same problem with 10.13.5 on my iMac (Retina 5K, 27-inch, Late 2015).
My iMac has rebooted after several hours. I just powered it on and didn't even login in.
I have seen the error message. But I don't notice whether there is "failure in disk eject". I will check it out next time.
Sleep Wake Failure macOS High Sierra 10.13.2
