when your led screen distortion, you will need to check the situation as belows: 1: The scanning settings of the LED software control card are incorrect. 2: the cable is not plugged in correctly or not plugged in properly. 3: control card failure。 4： The local power supply is abnormal 5： Local signal is abnormal

Each LED display has a matching control card and related software. After the LED display is installed, the control card and power supply can be connected. By running the software, the content of the LED display can be easily changed. To change the content of the LED display, we can use a computer, mobile phone, or USB flash drive to operate.

In modern electronic devices, the display screen is an important interface for human-computer interaction. With the development of science and technology, display screen technology is also constantly improving. Among them, liquid crystal display (LCD) and LED display are two mainstream display technologies.