I really am at a loss this has been a dependable OS X box for years (10.7-10.11),
The latest Sierra caused me all sorts of grief (usb issues, video issues, etc). I've managed to resolve all but one: SLEEP. When I put my system to sleep it wakes up fine if (and only if) I'm using the right dark wake flags (=0 and =1, and a few others work as well) but after I use sleep and either reboot the computer or shut it down my pc won't post and goes into a reboot loop, This can be fixed by...
Major Sleep issue after Sierra update
The latest Sierra caused me all sorts of grief (usb issues, video issues, etc). I've managed to resolve all but one: SLEEP. When I put my system to sleep it wakes up fine if (and only if) I'm using the right dark wake flags (=0 and =1, and a few others work as well) but after I use sleep and either reboot the computer or shut it down my pc won't post and goes into a reboot loop, This can be fixed by...
Major Sleep issue after Sierra update