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Question 7 The entire screen on the display is black

Check as follows:
⑴. The power led on the control card is not lightning;

⑵. Wrong adapter board;

⑶. The program sets up a specified time period for play;

⑷. The program sets the play in the specified time period;

⑸. No Program Files;

⑹. cable reverse;

⑺. Scan configuration error。




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Huidu Asynchronous LED Controller