2. PS3 HDMI control conflict; HDMI CEC (Consumers Electronic Control) allows the TV remote to power on both LG and Ps3. There might be a problem with this function, try turning this option off in the Ps3 System settings. 3. HDMI switch board inside TV is faulty according to your test with a laptop.
If you're getting no sound from your soundbar and it's connected via HDMI Arc, eArc or Optical then go through these troubleshooting steps to fix the audio i
Select the advanced settings and click “Enter” after browsing through the many choices offered on the screen. Choose to restore factory defaults. A message will pop up asking if you wish to continue the process. Press enter after selecting the “Yes” option. Allow a few minutes for the machine to reboot and restart.
\n lg tv no signal problem
Here’s a step-by-step guide on how to update an LG TV via USB: Step 1: Visit the LG support page. Step 2: Enter your TV model number on the search bar. Step 3: Tap your model number from the results. Step 4: Download the zip file of the latest firmware update. Step 5: Extract the file.
Also, check the connection between the U-verse receiver and the TV. If a cable was accidentally pulled, it will result in No signal. If you are using a Coax cable between your TV and the U-verse receiver, you may just need to change the channel up or down to restore your picture.
lg tv no signal problem

The TV screen goes black and it says "No signal". Here are the things I have tried: 1. Making sure my TV has the correct input selected (it does) 2. Switching the HDMI port and trying the new one as the new input (does nothing) 3. Cycling through the different inputs for 10 seconds a piece (nothing) 4.

IruRn.
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    • lg tv no signal problem