LG TV No Sound

Does LG Smart TV Have No Sound? Reasons & Fixes

Are you frustrated because there is no sound from your LG TV? We have a solution for you. After researching, I have identified potential causes for audio not working on an LG TV. It happens due to incorrect audio settings, technical errors, outdated firmware or apps, etc. In this article, I will teach you the best methods to circumvent the no audio issue on your LG TV.

Why There is No Sound on Your LG TV

Here are the reasons for the lack of sound on an LG TV.

  • Temporary software bug
  • Wrong sound settings
  • Damaged HDMI cable
  • Outdated firmware or a streaming app
  • Audio issues due to an external speaker
  • Attached streaming devices

How to Fix No Sound Issue of LG TV

Try these fixes if there is no audio or distorted sound on LG TV.

Soft Reset the LG TV

You can restart the LG Smart TV to fix the no-sound problem quickly. Unplug the LG TV from the power socket and wait 10-15 seconds. After that, plug the cord back into the source. Hit the Power button on the LG TV and hold it for ten seconds. Then, hold the Volume and Power keys simultaneously until it reboots the LG TV. It may usually take 11-12 seconds.

Turn Up the Volume

One of the most basic and first things to check while having no audio issue on your TV is to check if the TV is on mute and the volume levels of your TV. You can use the LG ThinQ app or physical buttons on the TV to increase the volume. Adjust the volume with the set-top box remote if you use a set-top box.

Perform a Sound Test

If your LG TV has no sound but is not muted, run a sound test to find out why.

  • Hit the Settings key on the LG TV remote.
  • Now, follow the steps based on your WebOS
    • WebOS 4.5 and older: Click All Settings > Sound > Sound Test.
    • WebOS 5.0: Click All Settings > Support > Additional Settings > Sound Test.
    • WebOS 6.0: Click All Settings > Support > Quick Help > Check Items > Self-Diagnosis of TV Settings > Sound > No Sound.
Sound Test - LG TV No Sound

The sound test will automatically set your volume to 20. If you can’t hear the audio, proceed to the next step.

Change LG TV Sound Settings

Some misconfiguration in Sound Settings can cause no audio issue on your LG TV. So, you should change the following settings to fix the issue.

Turn Off Smart Sound Mode

[1] Click on the Settings button on the LG Remote.

[2] Select Smart Sound Mode and turn it Off

Change Sound Out

[1] Press the Home or Smart key on the Magic Remote.

[2] Tap the Settings key and go to the Audio or Sound menu.

[3] In the Sound settings, click on Sound Out.

Sound Out - LG TV No Sound

[4] Select TV Speaker or Internal TV Speaker.

Turn Off Dolby Atmos

Sometimes, there may be no sound because of the Dolby Atmos setting. You can turn off Dolby Atmos on LG TV to fix the issue.

[1] Go to Settings and tap All Settings.

[2] Click Sound and tap Advanced Settings.

[3] Tap Dolby Atmos and turn it OFF.

Note: If there is no sound on LG TV while watching HD channels, you can enable Dolby Atmos to make it work.

Reset LG TV to Factory Settings

You can reset your LG TV to revert to its factory defaults, which may resolve issues like no sound and audio delay issues.

[1] Go to Settings > All Settings > Support or General.

[2] Select Reset to Initial Settings.

Reset to Initial Settings

[3] Select OK.

Now check whether the no-sound issue is fixed.

Update LG WebOS Firmware

Outdated firmware might also be the reason for bugs like no sound, so check for updates and update your LG Smart TV firmware to the latest version.

[1] Go to Settings > All Settings > Support.

[2] Select Software Update.

[3] Click on Check for Updates.

LG TV Updates

[4] If there are any pending updates, click Download and Install.

[5] Once updated, the LG TV will reboot to install the update.

Check if the issue persists after updating to the latest firmware.

Check the Cable

Loose cabling and damaged cable can also be responsible for the lack of sound on the LG TV. Ensure that the cables are firmly plugged into the respective port of the TV. It is recommended to use a high-quality cable for long-lasting.

Connect the Device to a Different Port

All modern LG TVs have multiple HDMI ports. If you’re facing a no-sound issue on your LG TV, plug in the HDMI cable to a different HDMI port in the TV and check if the issue persists.

Reset the A/V Settings

One another effective method to fix the no-sound issue is resetting the audio/video settings.

[1] Click the Mute button on the LG TV remote three times in a row.

[2] Select the AV Reset option to initiate the process.

It helps to solve the picture and audio-related issues on an LG TV.

Check the Soundbar or External Speakers

If you have a soundbar or external speaker connected to your LG TV, check if the soundbar or external speakers are working properly. Check if the wires are connected properly. If a soundbar or external speaker is damaged, buy a new external speaker or a soundbar for your LG TV.

Check the Attached Streaming Devices

If you have attached Firestick, Google Chromecast, Xbox, or Playstation, check if the volume is mute or low on those devices. Go to source settings and change the input on LG TV to HDMI or PCM based on what cable you’re using.

Contact LG Customer Support

If none of the fixes work for you, the last and final option is to contact LG customer service. Visit the LG Support page to find solutions regarding the audio issue on your LG TV. They will help you resolve or repair your LG TV and fix the no-sound issue on your LG TV.

Frequently Asked Questions

How do you fix LG TV only sound but no picture issue?

If the LG TV has sound but no picture, follow these steps to fix it.
[1] Check if your HDMI cable is properly plugged into the ports on both ends.
[2] Set your TV screen to the correct input.
[3] Try a different HDMI port.

What should I do if the LG TV has no sound on HDMI ARC?

Check if the volume is turned up, change the audio settings, reset the A/V settings, reset the HDMI, and check the HDMI cable for damage.

Why is sound not working on LG TV apps?

It occurs due to an outdated app and a corrupted cache. Update the app on the LG TV to the newer version. You can uninstall and reinstall the app to delete the cache on LG TV.

Why does the LG Smart TV have no sound on Netflix?

Change the audio settings on Netflix. Select Original instead of Original 5.1.

Amelia Griffiths

Greetings! I am Amelia Griffiths, a tech head and a content writer who loves to write about household gadgets. I remember my brother’s awe-struck face when we switched from our old LG TV to a new smart LG TV back when the first model was released. We now use one of the latest versions, and I am quite well-versed in the technical aspects of it. This blog (LG TV Guru) is my space to share and talk about different settings and unique features of LG TV. The how-to guides, with their easy-to-follow steps, will guide you through the process. I have also included the troubleshooting methods I have done and the techniques I know will help you get the complete television experience.

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