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What should I do if the LED screen does not light up or has insufficient brightness?

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What should I do if the LED screen does not light up or has insufficient brightness?

by (37.6k points)

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1. Check whether the power supply is connected properly and ensure that the power supply is normal.

2. Check whether the signal cable is connected correctly to ensure smooth signal transmission.

3. Check whether the control card is working normally. If necessary, replace the control card.

4. Check whether the LED module is damaged. If damaged, replace it in time.

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