Originally Posted by
FlightDetent
Had a similar one and resolved it after VERY long time, with a clean install of W10.
Intel Management Engine the biggest suspect. Similar behaviour seen on Lenovo (my case) and HPs.
An advice from a pro (which I am not): return it and let their support deal with it. I wish I had done so.
Thanks FD but it's out of warranty and already tried a fresh install of W10 without success