Sleep Wake Failure with High Sierra 10.13.2

Since installing 10.13.2 I have a sleep wake failure on iMac. Was working perfectly before installed latest update on Dec 8.

This is not an uncommon problem but the "fixes/solutions" one reads on the internet are all over the place.

Is there a fix or is this simply something only Apple can solve for all those now plagued by the problem? It is irritating in the extreme.

iMac, macOS High Sierra (10.13.2)

Posted on Dec 10, 2017 7:41 PM

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Posted on Apr 5, 2018 10:41 AM

I had the same problem on a macbook air (13-inch, Mid 2012, macBookAir5,2) since OSX 10.13.2.

I tried everything proposed on this and on other forums.


Recently, I did 2 things:

1) I downloaded 10.13.4 FULL installer (no combo, the full installer) and reinstalled High Sierra, over the previous installation.

2) I replaced the SSD disk few years ago, I have a OWC Aura Pro 2012 480GB SSD disk. I became aware of a conflict between high sierra and old OWC aura disks. I updated the firmware version to 603ABBF0 (got it from here: OWC Mercury SSD Firmware Updater via USB Drive or CD/DVD Disc). The problem also affects other OWC Aura models (http://macosuninstaller.com/one-click-removal-tutorial/unfortunately-time-owcs-a ura-ssds-not-support-macos-high-sierra/).


Since 1 and 2, the black screen/freeze after sleep, as well as a blinking folder with question mark at boot issue, stopped. I keep my finger crossed. Hope this helps.

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Sleep Wake Failure with High Sierra 10.13.2

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