Had already accepted this issue as permanent problem, but seems like I fixed it while messing with UEFI boot for different problem.Basically, I updated my Z97 MB bios to latest, updates my GTX970 bios to latest and changed MB bios boot mode to CSM Au...
Seems to have been video driver.Made your recommended changes, one by one. Whenever i experienced the issue again, changed it back. Haven't done any Windows updates through this time. Deep sleep was off always. Only installations have been new games ...
I see. The checks will probably take a month as i will make the changes prior to work, power off and then see what happens when i come home.Also tested the case of only PG279Q connected when powering on my pc after powered off state. It doesn't conne...