1. Check for High Temperature Warnings: See if there’s a prompt indicating the projector has shut down due to high temperature. 2. Check the Fan Operation: Confirm whether the fan is running. If needed, open the projector and reconnect the fan cable. - If the fan is working, update the projector to the latest firmware via USB drive. - If the fan is not working, consider replacing it.

1. Replace the Batteries: Insert new batteries, ensuring the positive and negative poles are correctly aligned. Reversed polarity will prevent the remote from working. 2. Use a Wired USB Mouse: Connect a wired USB mouse to control the projector as an alternative. 3. Contact Support: If the issue persists, reach out to support for a replacement remote control

1. Restore Factory Settings: Go to Settings > Other Settings > Factory Reset to reset the projector to its original settings. 2. Update Firmware: Go to Settings > About Device > Online Upgrade to update the projector to the latest firmware version. 3. Check the Screen Cable: If the issue persists, carefully disassemble the device and gently move the screen cable. If the lines shift as the cable moves, the screen may be faulty and will likely need replacement.

1. Check Fan Operation: Confirm that the fan is working properly and that hot air is being discharged from the exhaust port. Ensure nothing is blocking the machine’s heat dissipation. 2. Re-plug or Replace the Fan: If the fan isn’t working, you may need to disassemble the projector to re-plug the fan cable or replace the fan. 3. Inspect the Screen: If the above steps don’t resolve the issue, the screen may be faulty and will likely need replacement.

The projector contains a cooling fan, which may produce some noise during operation. This is normal and is similar to other electronic devices like computers. We have measured the projector's noise level to be around 35 dB, which is the average calculated from measurements taken in various directions (up and down, left and right, front and back) at a distance of one meter. If you are experiencing unusually loud fan noise, consider the following: 1. Gently shake the machine to confirm that if any parts have fallen out from the inside 2. Please send us a short video demonstrating the problem? You can upload the video to a file-sharing service like WeTransfer or a similar platform. Once uploaded, kindly send us a screenshot or PDF containing the download link using the "Attach File(s)" feature in the Message Center.

1. During setup, press the "left and right buttons of the remote control simul-taneously to pair and connect the projector.When pairing and connecting, the Bluetooth light will flash. 2. While pairing, point the remote at the infrared receiver. 3. Or go to Settings > Bluetooth > Available devices to search and pair. Note: The distance between the remote and projector should not exceed 20cm.

Try the following steps to see if they help: 1. Hit the Volume Up/Down button on the remote control 2. Connect your projector to an external Bluetooth speaker via Settings > Bluetooth > Available devices 3. Factory reset the projector via Settings > Other Settings > Restore factory settings

Try the following steps to see if they help: 1. Update the firmware to the latest. Go to Settings > System information > About devices > Online upgrade 2. Manaulally adjust the keystone. Go to Settings > Projection settings > Manual trapezoidal 3. Go to Settings >Projection settings > Reset trapezoidal correction if the above tips not work

1. Try another Wi-Fi network and update the firmware. Go to Settings > System information > About devices > Online upgrade 2. Check if your time zone is accurate via Settings > Date and time > Time Zone 3. Clear data via Settings > My Apps > (App Name) > Clear Cache. 4. Reset the projector via Settings > Other Settings > Restore factory settings