One of our main issues is FRC/temporal dithering - a color management issue. DisplayCal seems to be the active standard in color management.. who uses it?
Just found this on keeping windows from taking over your screen from your graphics card:
reaganry I doubt that's going to help if there's GPU and/or Windows 10 1607 (or later) stuff going on.
to get this trick to work you have to disable hibernation