What is the reason why the full-color LED display flashes?

Sep 15,2021| LED Knowledge

Although the flashing of full-color LED display is not a big problem, it is a headache. It not only affects the quality of playing pictures, but also affects the mood of users. Some customers will think that the LED display is broken and are very worried. So what's the reason why the full-color LED display flashes? What are the good solutions? The senior engineer of jyled will introduce the reasons and solutions.

Reasons for flashing of full-color LED display:

  1. The driver loader of LED is wrong

  2. The network cable between the computer and the screen has failed

  3. The sending card of LED display screen is damaged

  4. The control card of LED display screen is damaged. Check whether the small light on the control card is on? If it doesn't light up, its has been damaged

   5. Check whether the connecting wire between the power supply and the control card is short circuited with a multimeter

   6. The output voltage and current of the power supply are unstable. The power supply with control card can not carry too many boards. Generally, one LED display power supply can carry 4-6 LED modules, not too many. Too much will lead to instability.
Reasons for flashing of full-color LED display

Corresponding solutions for flashing of full-color LED display:

If the whole screen is dotted and the image is touched, the driver loader used generally has an error. You can recheck the driver loader. If the problem is still not solved, you can uninstall and reinstall it. If the problem is not solved after trying again, it indicates that there is a problem with the LED module and a new LED module needs to be replaced.
LED display is under construction and installation

If the sending card is broken, the sending card needs to be replaced. To judge the LED sending card, just check whether the light on the LED sending card is on.

In case of irregular flicker, the frequency of the system is generally not adjusted correctly or there is a problem. Replacing the system or adjusting the setting parameters can basically solve this problem!

If it is in the flickering state, it may be a problem with the graphics card driver or the resolution setting of the sending card.

Another possibility is the power supply problem (insufficient power supply, information clutter, electromagnetic interference). When designing PCB, we should consider the wire diameter of power supply and signal wiring and PCB production process. Adding more capacitors to the module also has some improvements.

If the text flickers (there are irregular white edges around the text, irregular flickering, and the text disappears after the text disappears), this is mostly due to problems in the graphics card settings. Canceling "show shadow under menu" and "edge smooth transition effect" in the display properties can solve these problems.

The above is the reason for the flashing of full-color LED display screen, as well as some solutions after the flashing of LED display screen. I hope it will be helpful to you. As a high-quality manufacturer of outdoor full-color LED display, our product quality is guaranteed. If you want to know more about LED, please visit our official website: https://www.szjy-led.com/a/Resources/LED_ Knowledge / view more information

  Article KeyWords:full-color LED display flashe reason


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