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When connecting the data line, the digital board is reactive, which may be a lithium battery fault. If the data cable is connected, even the digital board does not respond, it may...

Wireless digital board can not charge how to do?

When connecting the data line, the digital board is reactive, which may be a lithium battery fault. If the data cable is connected, even the digital board does not respond, it may be a problem with the data cable, or it may be a usb port contact problem.

The former may need to change the battery, the latter still have to check, try other computers have the same problem.