On and off (mostly on), my PC monitor would not shut down, nor would Win 10 go to sleep/hibernate. After reading related articles/posts, I used System Config/Task Manager to disable all startup programs, then one by one, re-enabled and restarted. I eventually discovered that the Dish Anywhere Player startup was the culprit, and I will keep it disabled for now. I wanted to share this in case some of you are experiencing the same problem.