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Picture displayed improperly from HDMI IN mode — LG Help Guide

In the case of daisy-chaining video source peripheral such as UHD Blu-ray player or set-top-box receiver to LG soundbar and soundbar to Smart UHD TV all via HDMI thus experiencing poor picture quality whether lines on screen, black screen, no signal, video noise, distorted picture or colors or anything just not looking right with the picture, please refer to….

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TroubleshootingTVs

What to Check First

  1. No signal or black screen.
  2. Noises or lines across the screen.
  3. Tap the “LG App Store” (SmartWorld) icon or “Google Play Store” icon.
  4. Type in “Music Flow Player” in the search bar and tap “Search”.
  5. Select “Music Flow Player” in the search result list to download then install it.
  6. Install “Music Flow Player” app through QR code.
  7. Scan the QR code using the scanning application.
  8. Launch Music Flow Player App.
  9. Follow the steps for wired or wireless connection displayed on the screen.
  10. Select the More Settings Button on the Home page.

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 Picture displayed improperly from HDMI IN mode?

No signal or black screen.

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 GuideGamingTV Gaming: Refresh Rate, VRR & HDMI GuideSizingTV Screen Size & Viewing Distance GuideSmart featuresTV Smart Features, Apps & Connectivity Guide

Related Help Articles

TroubleshootingPoor Sound Quality – Sound TestTroubleshootingNo sound from connected external audio equipmentTroubleshootingNoise Issue

Read the Official LG Guide