LG Projector - Using the Keystone Feature — LG Help Guide: Causes

The symptom occurs because the projector is not level with the screen, and you need to adjust the keystone.. What is the Keystone function?. The Keystone function is a correction feature that adjusts the projected screen to fit the shape of the screen.. It prevents the screen from appear.

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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

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 LG Projector - Using the Keystone Feature?

The symptom occurs because the projector is not level with the screen, and you need to adjust the keystone.. What is the Keystone function?. The Keystone function is a correction feature that adjusts the projected screen to fit the shape of the screen.. It prevents the screen from appear.

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.

Read the Official LG Guide