SMART ALX: Check also your current supply. I had this happen once, I thought the central unit is out for sure, but it turned out simply to be a badly plugged cable. The monitor would react to a low current, but the box won't.
(hide) In the mood for a quick game that is guaranteed to finish within 2 hours? Create a new game of your preference, select the Time for game and set Time to 0 days / 1 hour, Bonus to 0 days / 0 hours and Limit to 0 days / 1 hours. (TeamBundy) (show all tips)