My ITV4 is not available following retune and is no longer listed. Previously it was listed but showed no signal available. It is on HD Toshiba Regza C3030 TV with built in freeview. Any ideas how to overcome this as I always use to be able to view ITV4?

Televison & Video - Sagem - PVR 6280 Freeview DTV Receiver / 40-Hours Video Recorder