I would start by doing the setup on the TV ensuring you are on over the air antenna and to a automatic channel scan. if that doesn't work pull the plate the coax from the tv is plugged into and ensure all wires are connected.
Jake my sidekick (yellow Lab) 10/04 - 05/20
2017 RAM 2500 CC 4X4 Cummins Diesel
2016 Flagstaff 26 FKWS
AF&AM & El Korah Shrine of Idaho