since this morning our TV box in the living room has not worked. It powers on and displays the welcome screen, then turns off and comes back on to the starting up screen. It will stay on the starting up screen for a while, then switches off again. Shortly after it comes back on to the starting up screen. I assume the box has a fault as I have tried the box we have upstairs and it works fine. Tried to call Virgin but gave up after 59 minutes on hold.