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
Frequently Asked Questions
What should I check first for [LG Monitor] I am using a UHD monitor but when I connect USB-C or Dp(display port), the max resolution is not supported?
I am using a UHD monitor but when I connect USB-C or DP(display port), the max resolution is not supported.. You have to make sure that your PC graphics card’s display port or USB-C output condition meets the 4K(3840x2160＠60Hz) spec of your monitor.. You have to activate the DisplayPort.
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.