You can also check online to see if your TV is covered under LG’s warranty. Unfortunately LG TV warranties typically only last 1 year. Still worth a shot. Conclusion. If your LG TV has sound, but no picture, don’t panic, there are several proven fixes you can try to get things back up and running: Power cycle your LG TV; Check all your HDMI Check Problem in Another Monitor. Another method to solve the “No HDMI signal” is to check the issue on another working monitor. This is to identify whether any components of your display device are damaged. If you do not get any signal, know that there are problems with your PC, cables, and ports. Rebooting the router fixing it tends to lean to suspecting the router. If it does it again try unplugging the TV for a minute or so instead. That may help you narrow down the cause to either the TV or the router. 1. Ordered list. Unordered list. Indent. First step, grab your remote control and find and press the MENU button. On some remotes it might be the HOME button. Step number 2, select SET UP up on the menu. Step number 3, Select ANTENNA or On the other hand, if the screen of your LG TV is black and displays the message “no signal”, it is probably a bad input signal. To make sure your TV has no faults, do this quick test: Press the Source button on your TV, when it’s on. If the Sources menu appears, there is indeed a signal problem. Here is how to solve this problem: Verify the connection is secure and retry. Unplug the external device for at least 5 seconds (if possible). Disconnect the HDMI cable from the TV and move it to an alternate port. Plug the device back in and change the TV to the new input to see if the issue is resolved. Note. If you're troubleshooting a cable box be sure to allow it time to .

lg tv no signal problem