How to solve the problem of colorful LED display screen?

There are many reasons why the full-color LED display screen can not display normally. Now how to solve the problem of

full-color LED display screen is summarized. In order to solve the problem of LED color screen, the following five elements

are required:
1. LED display screen can not be displayed
Solution: check whether the power supply of LED display screen is normal and whether there is 220 V strong power input
2. The LED display screen is abnormal, and the screen is colorful
(1) Whether the parameter setting of LED control card is correct and whether the signal is transmitted to the LED display

LED control card;
(2) Check whether the communication line is normal and check whether the LED control card has signal input;
(3) Whether the 5V power supply of LED control card is normal;
3. LED display screen part of the screen display is not normal, such as black screen, flower screen
Solution: check whether the power supply of the screen with abnormal display is working normally; the signal transmission

line is faulty; and the single module of the screen body is faulty.
A. There is something wrong with the output
1. Check whether the circuit from the output interface to the signal output IC is connected or short circuited.
2. Check whether the clock latch signal of the output port is normal.
3. Test whether the cascade output data port between the last drive IC is connected with the data port of the output inte

rface or whether it is short circuited.
4. The chassis heat dissipation is not good, resulting in the temperature rise of the graphics card.
Solution: eliminate the heat dissipation problem.
Check whether the fan operates normally, add oil to the fan, clean the dust in the cabinet, and solve the problem of heat

5. Re installation of the system, graphics card or display does not support high resolution.
(1) Restart the computer, press the F8 key continuously, in the Advanced Startup menu, select enter “safe mode”, enter

the system, and then enter the display settings under windows. After selecting 16 color status, click “apply” button and

click “OK” button.
(2) Restart the computer. In the normal mode of windows, enter the device manager, delete the driver of the video card,

and restart the computer.

The above is the full-color LED display screen causes and solutions.

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