I've had good service and use the unit a good bit. Suddenly the strangeees hit. It would run and then drop to a blank screen. Sometimes when running there were small blue flash lines in an area. Now it lingers at start and then waits for me to key in my code. The normal pattern starts and a small screen that seems to reference CLOUD appears and then blank. I can wait quite sometime before putting in the code but as soon as I do the thing goes blank in a split second.