1. Check if your TV is connected to an antenna or a cable line
➡ Connect to an antenna or a cable line if not yet connected
2. Change the signal broadcast settings➡ Check if it is in Digital or Analog mode
3. Retune your TV➡ Clear the channel memory, and retune your TV
4. Check the cables➡ Make sure that the cables are connected properly
5. Update the software➡ Download and install the latest software version