1. You are not on the right input for the signaling device: Verify which input number (or type ie HDMI/component/video/Cable) your device is connecting to and tune to that input.
2. The signaling device is not powered on. Verify it is on and the cable is properly seated into device and TV.
3. The cable is bad. Try a different cable or use alternate type of connection.
4. The specific input port on the TV is bad. Move the connecting cable to a different port (ie from HDMI 1 to HDMI 2) and tune the TV to that input.
If you are using an Over the Air signal (OTA) with rabbit ears or and antenna use the TV menu to run an auto tuning scan of your local stations.
If you are using a tuning box (cable/satellite) over a coaxial connection check connections and tune the TV to CH 3 or CH 4 and check for picture. There may be a switch on the back of the box indicating CH 3 or CH 4.
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