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[LG TV monitor] No sound is outputted when a video file stored in a

In order to play a video file in the TV monitor, it can be played in the TV monitor only when the information on the video file such as extension, codec, etc., matches.

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TroubleshootingTVs

What to Check First

  1. No sound is outputted when a video file is played on the TV monitor.
  2. It occurs because the codec does not match when a video file is played.
  3. If only a certain video file cannot be played, it’s because the codec information of that video file cannot be used in the TV, and in such a case, it is not a product defect, but a symptom caused by incompatibility between the information in the file and the TV monitor.
  4. To check the codec information on a video file, you can check the information on the video file through an encoding program after installing it on your PC.
  5. In order to play a video file in the TV monitor, it can be played in the TV monitor only when the information on the video file such as extension, codec, etc., matches.
  6. ➔ Install an encoding program on the PC, play a video file and check the playing information.
  7. If the video file information is different from the information specifications of video files that can be supported by the TV monitor, such video files cannot be played on the TV.
  8. ※ If only pictures (jpg) and music (MP3) are displayed on the screen when a USB storage device is connected, the model does not support the video function. For accurate information, it is necessary to check the model name and specifications.
  9. Move left or right to check the contents.
  10. This guide was created for all models, so the images or content may be different from your product.

Why This Can Happen

Symptoms can have more than one cause, and the correct steps depend on the exact model, installation and operating conditions. Use the checks above to narrow the issue before service.

Safety and Model-Specific Guidance

Stop troubleshooting if you notice burning, electrical damage, unsafe heat, gas odor, refrigerant concerns, or water near electrical components. Follow the official LG USA instructions for your exact model.

Frequently Asked Questions

What should I check first for [LG TV monitor] No sound is outputted when a video file stored in a USB storage device is played?

No sound is outputted when a video file is played on the TV monitor.

When should I stop troubleshooting and contact LG?

Stop if the product shows signs of electrical damage, burning, leaking near electrical components, or if the recommended checks do not resolve the issue. Use LG USA support for model-specific service guidance.

Does this guidance apply to every LG model?

Not always. Controls, error codes and service steps can differ by model. Confirm the exact model number and follow the linked LG USA article for model-specific instructions.

Related LG Products

These model pages are linked because the stored category or exact model matches this Help Library topic.

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Read the Official LG Guide