Question: How to solve the problem of LED display screen?

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• If the new screen is electrified, it may be that the control card settings are not scanned correctly, or that the wiring is not plugged in (check the wiring from the control card to the first board).
• If you suddenly find this phenomenon after a period of use, in addition to the control card failure, the most likely is the board water burning chip or power.
• Also can try to connect a DVI interface of the display first, to see whether the DVI graphics card output signal is normal. General Lingxingyu's card words DVI interface resolution is 1024*768, resulting in LED display flower screen reasons, may also be graphics card problems, or drive problems. Try unplugging the cable of the receiving card behind the display screen and pressing the debug button on the receiving card to see if the screen body scan is normal.

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