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LG TV has sound but no picture — LG Help Guide: Causes, Checks &

If you can hear sound from the TV but the screen is blank, press the [Volume] button on your TV remote. If the volume indicator appears on the screen, your TV's display is likely working fine. The issue may be caused by a signal problem from an external device, a loose connection, or a faulty HDMI cable. Try turning the external device off and back on, or….

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TroubleshootingTVs

What to Check First

  1. The external device is temporarily frozen or is not sending a video signal.
  2. The HDMI cable connecting the TV and external device is loose or damaged.
  3. There is an issue with the TV itself.
  4. If you can hear sound from the TV but the screen is blank, press the [Volume] button on your TV remote. If the volume indicator appears on the screen, your TV's display is likely working fine. The issue may be caused by a signal problem from an external device, a loose connection, or a faulty HDMI cable. Try turning the external device off and back on, or disconnecting and reconnecting the HDMI cable.
  5. First, check whether the issue is with the TV itself or an external device.
  6. (Note: Be sure to use the TV remote. If you adjust the volume using an external device's remote, this test will not be accurate.).
  7. Turn the external device off and back on, or unplug its power cord and plug it back in.
  8. If the picture appears normally after restarting, the issue was likely a temporary error with the external device.
  9. If the issue happens frequently or the picture still does not appear, the external device may need to be serviced.
  10. Disconnect the HDMI cable from both the TV and the external device, then reconnect it firmly.

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 has sound but no picture?

The external device is temporarily frozen or is not sending a video signal.

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