What to Check First
- The symptom occurs because the projector is not level with the screen, and you need to adjust the keystone.
- 1. Select the Settings menu → General → Keystone using the remote control.
- 2. Use the left and right buttons to adjust the screen to the desired condition.
- 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 Beam Projector Screen] The screen appears trapezoidal in shape?
The symptom occurs because the projector is not level with the screen, and you need to adjust the keystone.
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.