During normal operation, the joystick will light up blue
Please confirm the following:
1. Disconnect the HDMI and power cables of the joystick
2. Take out the SD card on the side of the joystick, and wipe the metal part of the SD card with a clean rag. Then remount the SD card
3. Only connect the power cord of the joystick, check if the blue light is on.
Tip: The host charging cable needs to be equipped with 5V 2A plug, do not plug the charging cable plug directly into the TV, see Installing video.