At least I don't need to change the desktop resolution settings now.
It certainly seems so. Well, I guess it's good that you can at least play the game.Def Links and my machine are wrestling over resolution it seems
I updated my Asrock BIOS to the latest May version (v3.26 on a PG Riptide 850) - all stable from what I can tell. Now about to try the latest Nvidia May driver as well.
The same symptoms persist i.e the starting aspect
So, the BIOS and driver weren't the issue. Process of elimination . . . Just keep after it, I guess. Optimistically, as you cross potential fixes off the list you'll arrive at the actual fix. Hopefully soon!