Nebula Cosmos Laser 4K is a new projector released this year. If you have a problem when using the projector, you can refer to the following tips for troubleshooting.

Nebula Cosmos Laser 4K Projector Troubleshooting

Nebula Cosmos Laser 4K No Image

  • Check the connection.
  • Check the right input source when you connect the projector to other external devices.

Nebula Cosmos Laser 4K Image is Too Small

  • Move the projector farther from the screen or projection wall.
  • Select Screen Zoom and enlarge the image size.
Nebula Cosmos Laser 4K Projector image small

Nebula Cosmos Laser 4K Blurry Image

  • Place the projector on a flat surface.
  • Adjust the focus or keystone.
  • Avoid strong light when using the projector.

Nebula Cosmos Laser 4K Reversed Image

  • Press the Settings button on the projector, then select Advanced Settings > Projector Mode and switch to the correct state.
Nebula Cosmos Laser 4K Projector

Nebula Cosmos Laser 4K No Sound Troubleshooting

  • Check whether the mute is on.
  • Adjust the volume.
  • Check the audio format.

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