The problem of EVD not reading the disc may be due to the following reasons:
The disc quality or damage: the disc may The EVD is unreadable due to scratches, contamination, or other damage. Try cleaning the disc and checking for obvious physical damage. If the damage is too severe, the disc may need to be replaced.
Optical drive failure: Failure of the optical drive of the EVD player is another common cause. Factors such as prolonged use, dust accumulation, mechanical problems, or age can cause a drive to degrade in performance or fail altogether. Try testing with another reliable disc. If it still cannot be read, the optical drive may need to be repaired or replaced.
Firmware or software problems: There may be problems with the EVD player's firmware or related software, resulting in the inability to read the disc correctly. Try updating your player's firmware or software for better compatibility and stability.
Region code mismatch: Some EVD players may limit the reading of discs with specific region codes. If your disc is not in a region code supported by your player, it may not be read. Make sure the disc you are using matches the region code of your player.
Other hardware faults: Some other hardware problems, such as data cable connection problems, power supply problems or motherboard failures, may also cause EVD to be unable to read the disc. Check to make sure all hardware components are working properly and connected correctly.
If you encounter the problem of EVD not reading the disc, you can first try to clean and replace the disc, check whether there is any problem with the optical drive, and update the firmware or software. If the problem persists, you may need to seek help from a professional technician to further diagnose and resolve the problem.