What to Check First
- HDR stands for High Dynamic Range and it is the function to implement clearer and high contrast images. The function is automatically turned on in the monitor if HDR contents are played. HDR operation is supported in both HDMI and DP inputs. External equipments are mostly connected to HDMI and both HDMI and DP can be connected to the PC.
- While the monitor is on, if you connect the HDMI cable to the contents player, then the HDR function is automatically applied. Check if the HDR message appears and disappears at the right top of the screen. If the HDR message appears and disappears then it means that it is working fine.
- If there is no HDR message appearing, then check if the HDR function is activated at the below monitor menu. If on, it means that it is working fine. When connecting your PC to the monitor, turn on both of HDMI/DP in Win10. When you activate HDR and advanced colors, the HDR function is activated, and the HDR message will appear and then disappear at the right top of the monitor.
- This guide was created for all models, so the images or content may be different from your product.
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
Frequently Asked Questions
What should I check first for [LG Monitor] I want to use the HDR function of the monitor?
HDR stands for High Dynamic Range and it is the function to implement clearer and high contrast images. The function is automatically turned on in the monitor if HDR contents are played. HDR operation is supported in both HDMI and DP inputs. External equipments are mostly connected to HDMI and both HDMI and DP can be connected to the PC.
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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