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[LG Beam Projector][CineBeam S] Projected Image Remains Slanted After Running Auto Screen Adjustment

Troubleshooting

If the projected image remains slanted after running Auto Screen Adjustment, check the sensor located on the top of the projector for any foreign substances such as dust or fingerprints.
Clean the sensor using a microfiber cloth.
If the screen or focus still remains misaligned, check the installation environment and setup.

Troubleshooting: Slanted Projected Image

Does the projected image remain slanted after running Auto Screen Adjustment?

Side by side comparison of normal versus abnormal projected images: rectangular vs trapezoidal image.

Inspect the sensor on top of the projector for foreign substances such as dust or fingerprints.
Wipe the sensor clean using a microfiber cloth, such as a cloth used for cleaning eyeglasses.
A dirty sensor can cause the projected image to look strange or tilted.

The sensor on top of an LG CineBeam S is dirty.

After re-adjusting the screen using Auto Screen Adjustment, the image may remain tilted for the following reasons:

  • The wall onto which the image is projected is slanted.

    The wall is slanted, resulting in the projected image looking tilted.
  • The image is projected onto a black wall (screen), which may affect the sensor’s accuracy, and cause its operating distance to decrease.

  • Direct sunlight is hitting the sensor.

  • The wall or screen is positioned at a distance or angle outside the Auto Adjustment feature’s supported range.

Adjust your set up to ensure proper sensor performance.

  • Make sure the wall (screen) and projector are at right angles (perpendicular) to each other.

    The projector and screen are at right angles to each other.
  • Avoid projecting onto black surfaces.

  • Keep the sensor out of direct sunlight.

  • Ensure the angle of projection is within 5°.

    An image illustrating that the projection angle must be within 5°.
  • Keep the projection distance between the projector and wall/screen within 40cm.

  • Remove any objects between the projector and wall/screen.

  • If issues continue after taking these measures, please contact Customer Support for further assistance.

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This guide was created for all models, so the images or content may be different from your product.

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