First check that your TV is set to the correct Source or Input, try changing the Source or Input to AV, TV, Digital TV or DTV if you havent already. If your “No Signal” message is not due to incorrect Source or Input being selected, then its most likely caused by a set up or antenna fault.
Why does my TV say no signal when I turn it on?
A No Signal, No Source, or No Input message will appear on your TV screen if the TV is not receiving a signal from your TV box. This is often a result of either the TV box being powered off, not being properly connected to the TV, or the TV being set to the wrong input.
What do you do when your Samsung TV says no signal?
0:351:49Samsung TV No Signal - Fix it Now - YouTubeYouTube
How do I rescan my TV?
0:001:07Heres How to Rescan Your Television If You Use An Antenna - YouTubeYouTube
Why is my PlayStation not showing up on my TV?
Turn off your TV and unplug your HDMI cord. Plug the (high speed!) HDMI cable from your PS4 into the 4K 60hz port on your TV. Turn your PS4 off (hold the button) and repeat the previous setp to go back into Safe Mode. Now choose the change resolution option and your PS4 will restart.