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LG TV - How to Use HDMI CEC — LG Help Guide: Causes, Checks & Fixes

HDMI cables have a CEC function, enabling power control between products.. e.g.). When you turn off or turn on the TV, the device connected to the TV with an HDMI cable is also turned off or turned on.. How to set the SIMPLINK(HDMI-CEC) from the Settings menu by year. Press the button.

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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 TV - How to Use HDMI CEC?

HDMI cables have a CEC function, enabling power control between products.. e.g.). When you turn off or turn on the TV, the device connected to the TV with an HDMI cable is also turned off or turned on.. How to set the SIMPLINK(HDMI-CEC) from the Settings menu by year. Press the button.

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.

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Read the Official LG Guide