3. Check the computer driver is working.
4. Check if the AGPTEK-C5/ C5M is low-battery, if so, charge for a while first.
5. Check if the computer is reading other USB device. (In addition to the mouse, keyboard,
USB connection device)
6. Make sure the computer is not in low-battery state
7. Reboot the computer.
8. Some model of the player need to be connected in power-on state, such as S22.
9. Forced firmware flashing. DO NOT operate by yourself, please contact our customer
service for firmware download instruction.
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