I followed this link to see what was being reported. I’m not experiencing what is being described on this thread but in that Github tracker someone posted that there were 3 scenarios being reported and mine was the third:
3. the screen goes blank, but does not power off and does not reboot.
I haven’t been able to repeat simply because I’ve just avoided using it but I went into an interview some time right after upgrading to the HX 370. My computer froze right after the interview started with a blank screen, or so I thought. He could see and hear me and I could hear him but couldn’t see him. We conducted the interview that way. This was using Zoom in Firefox.