NO PICTURE AS NO SIGNAL IS SHOWING ON SCREEN.USING ARIAL LINK FROMSKY BOX. LARGE 37INCH TV IN SMALL ROOM COULD IT BE METAL BUNK BEDS ARE STOPPING SIGNAL
As has been said, for you use the aerial input to your TV, you need an aerial. If you do not have an aerial feed to that room, your best bet is to ignore terrestrial and just use your Sky box fore everything, connected to your TV via a SCART or HDMI cable.