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[LG OLED TV Sound] Audio is not working even when changing channels

If you lower the TV master volume to the minimum level (0) or mute it ( ), no sound comes out of the TV. Turn up the TV volume and see if the volume changes accordingly.. If you are using a set-top box, check if the audio is working by adjusting the volume with the set-top box remote control.

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What to Check First

Open the official LG USA article for the latest model-specific checks.

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 OLED TV Sound] Audio is not working even when changing channels?

If you lower the TV master volume to the minimum level (0) or mute it ( ), no sound comes out of the TV. Turn up the TV volume and see if the volume changes accordingly.. If you are using a set-top box, check if the audio is working by adjusting the volume with the set-top box remote control.

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.

Buying Guides for This Product Type

Display technologyOLED vs QNED vs UHD TV GuideEfficiency & running costTV Efficiency, Energy & Running-Cost GuideHousehold use caseTV Family & High-Use Household GuideFeatures & valueTV Features Worth Paying For — Value Guide

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Read the Official LG Guide