Use another HDMI cable if you have one. Check the HDMI ports on your device and projector and see if the cable is plugged in all the way. Restart the projector’s power supply. Restart your source device. Change the Input settings on the source device. Test the HDMI with other devices (i.e. PC to TV). Updating your TV software is a simple fix for the no signal issue on your LG TV. Make sure to check for updates regularly to avoid any future issues. Try a Different Device. If you’re still experiencing the ‘no signal’ message on your LG TV even after updating the software, it’s time to try a different device.
Realign the TV antenna. A slight shift in the position of the antenna can cause the signal strength and signal quality to drop below the required level for your LG TV. If channels that were available previously no long show up or the picture quality has dropped, the antenna may need to be realigned. Run auto tuning
This has been a common issue with the circuit board in these LG TVs where all HDMI ports stop working. Step 1: Turn off all devices connected to the TV. Step 2: Unplug all HDMI cables from the TV. Step 3: Turn off your TV and unplug it from the power. Step 4: Press and hold the power button for 30 seconds.
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14 Ways to fix HDMI Cable not working on TV problem Check the Input Source. Check the output of the connected device. Disconnect and Re-connect your devices. Try using another HDMI port. Turn OFF and ON your connected devices. Try a different HDMI cable. Try connecting your TV to a different device. . 349 287 42 306 424 436 301 168

lg tv no signal problem