If you notice not all of your screen is focusing when using Autofocus with Cosmos Laser, try the following:

1. Update the firmware of the 4K dongle and Cosmos Laser to the latest version:

- Press the Settings button on the remote and select Settings > Device Preferences > About > System Update.

- Press the Settings button on the remote and select Settings > Device Preferences > About > Projector Firmware Update.

2. Place the projector between 5-13 ft (1.5-4 m) away from your screen.

3. Press the Settings button on the projector or the Source button on the remote, and select Image Correction > Manual Keystone Correction.

4. Press the Settings button on the projector or the Source button on the remote, and select Image Correction > Auto Screen Fit.

If you still have any questions or concerns regarding the focus issue, contact us for further assistance.