iMac Pro Wake from Sleep to Black Screen after Mojave Update
I have an open Applecare Case Number for this, #****.
Seems like I have them stumped.
iMac Pro
10.14
3GHz
64GB RAM
Radeon Pro Vega 64
Without fail, each and every time I put the computer to sleep, it hangs on wake. I get the infamous "black screen" where you can hear and see things going on but there is no way to see. I have a two-monitor setup (an ancient 32" Apple Cinema Display) and after about a minute of invisible activity both screens will come alive and I can enter my password and get back to work.
As mentioned in the title, this only began after upgrading to Mojave. Interestingly, before Mojave there was a different problem - kernel panics about every week or 2. Those have stopped. But I'm not sure what's worse. The wake from sleep issue is many times per day, so I've gotten into the habit of not sleeping it when possible, and hitting a mouse key to wake it up and then I do something else for a minute or 2. But come on, this was a $7K computer so we expect a little bit better.
Most recently I tried the following:
Turn off system hibernation by using Terminal commands:
sudo pmset standby 0
sudo pmset autopoweroff 0
The one thing Applecare agent previously had me do is a software re-install by doing a restart with command-R, but that didn't address the issue.
I notice there is a point upgrade to Mojave, I'll try that and we'll see if it helps.
[Personal Information Edited by Host]
iMac Pro (2017), macOS Mojave (10.14), Refurbished from Apple
