If there is no program information provided, there will be no information available on screen.
Not all channels transmit the name of the television channel, the program name or an other message in their broadcast. Try an other channel to see if they do display this kind of information.
SOUND and PICTURE information is lost.
Make sure remote control is in TV mode by holding 'TV/HD' button down until button light turns green.
Channel is not tuned well, this might cause program information provided to not come through.
To re-install all channels:
Make sure remote control is in TV mode by holding 'TV/HD' button down until button light turns green.