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How to use HDMI 2.1 — LG Help Guide: Causes, Checks & Fixes

Note: Starting from 2020 model, Nvidia GPU auto detection is supported both 4K or 8K TV.

How to use HDMI 2.1 LG USA help image
How to use HDMI 2.1 LG USA help image 2
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Product UsageTVs

What to Check First

  1. HDMI Introduction Note: Starting from 2020 model, Nvidia GPU auto detection is supported both 4K or 8K TV HDMI 2.1 brings eye-opening graphic performance and unmatched reality. Transform your home entertainment experience with seamless content streaming and faster gaming in the highest resolutions possible with NVidia Graphic Processor. Click here for G-sync compatible TV.
  2. HDMI 2.1 Model list Note: Please check the TV model below for The Best HDMI 2.1 supported TVs.
  3. How to Experience HDMI 2.1 HDMI 2.1 is fully backwards compatible, but it will require new cables (same connector) to take advantage of the higher bandwidth. Please click on link for Certified Ultra High Speed HDMI cable .
  4. Note: Starting from 2020 model, Nvidia GPU auto detection is supported both 4K or 8K TV.
  5. HDMI 2.1 brings eye-opening graphic performance and unmatched reality. Transform your home entertainment experience with seamless content streaming and faster gaming in the highest resolutions possible with NVidia Graphic Processor.
  6. Click here for G-sync compatible TV.
  7. Note: Please check the TV model below for The Best HDMI 2.1 supported TVs.
  8. HDMI 2.1 is fully backwards compatible, but it will require new cables (same connector) to take advantage of the higher bandwidth.
  9. Please click on link for Certified Ultra High Speed HDMI cable .

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 use HDMI 2.1?

HDMI Introduction Note: Starting from 2020 model, Nvidia GPU auto detection is supported both 4K or 8K TV HDMI 2.1 brings eye-opening graphic performance and unmatched reality. Transform your home entertainment experience with seamless content streaming and faster gaming in the highest resolutions possible with NVidia Graphic Processor. Click here for G-sync compatible TV.

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