CarpCharacin thanks for this. I've followed your other post and then this one as I'm having the same issue. It's happened out of the blue and I also tried swapping the battery (CR2032) to no avail.
CPU: i7 5820k
RAM: 4x8GB sticks (I think Corsair)
MB: ASRock Faltal1ty X99M Killer 3.1
PSU...
Did you ever find the solution to this? I built a computer a few years ago and have used it only a handful of times for light gaming, but not actually need to use it for some video editing. It was up and running well and now encountering a very similar issue. Replaced the CMOS battery to no...