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How to Fix 'Picture but No Sound' When Connecting a PC to an LG TV

If you do not hear sound after connecting your PC to your LG TV with an HDMI cable, your computer may be using the wrong audio output device or the cable might be loose. To fix this, select your LG TV as the audio output device on your computer taskbar or unplug and reconnect the HDMI cable.

How to Fix 'Picture but No Sound' When Connecting a PC to an LG TV via HDMI LG USA help image
TroubleshootingTVs

What to Check First

  1. Volume settings: Your PC or TV volume may be too low, or the mute feature may be turned on.
  2. Incorrect sound output settings: On your PC, the PC speakers may be selected as the sound output instead of your TV.
  3. Loose HDMI cable connection: The cable may not be securely connected, or the internal wire may be damaged, preventing it from properly sending the audio signal.
  4. Sound driver issue: The sound driver, which manages the audio on your PC, may not be installed, or there may be an issue from a recent Windows update.
  5. 1. On the right side of your Windows taskbar, click the Speaker icon.
  6. 2. Then, click the Select a sound output icon next to the volume slider.
  7. 3. From the list of output devices, choose your LG television or the device connected through HDMI.
  8. 1. Type Settings in the taskbar search box and open the Settings app.
  9. 2. Go to System, then Sound, and choose All sound devices.
  10. 3. Under Output devices, select your connected television.

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 How to Fix 'Picture but No Sound' When Connecting a PC to an LG TV via HDMI?

Volume settings: Your PC or TV volume may be too low, or the mute feature may be turned on.

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