Check the lens: use a dust-free cloth dipped in 70% alcohol to clean it and avoid scratches.
Troubleshoot the light source: if the fiber optic is aging or the bulb has reached the end of its life, it needs to be replaced.
Signal interference: Keep away from the RF scaler and reconnect the video cable.
Clean the contact: Wipe the fiber optic connector with rubbing alcohol, make sure it is dry, then plug it in.
Reboot/Upgrade: Try to reboot the host or upgrade the firmware, if it is still ineffective, you need to contact the service center.
Immediate shutdown: use a leak detector to locate the water leak point, and avoid powering up before sending it for repair.
Preventive measures: avoid excessive bending, replace the seal every 2 years.
Close background programs: Reduce system load, temporarily lower resolution.
Hardware Upgrade: It is recommended to upgrade the memory or replace the high performance image processing card.
Download the appropriate file from the website, unzip it, use the data cable to connect the machine to the computer, the machine will enter the U-disk mode, copy the upgrade file to the TF card, and reboot the machine to upgrade.