Professional explanation will encounter how the screen of the led electronic screen appears black

Sometimes, in the process of using the control system, we will encounter the phenomenon that the screen on the big screen of the LED appears completely black. The same phenomenon can be caused by a variety of different reasons, and even the process of darkening the screen can vary from operation to operation or from environment to environment. For example, it may be black at the moment of power-on, or it may become black during loading, or it may be black after sending. Let the professional LED screen manufacturers come to explain for you:
In the first step, please ensure that all hardware including the control system is properly powered. (+5V, don't reverse, connect wrong)

In the second part, check and repeatedly confirm whether the serial cable used to connect the controller is loose or loose. (If it gets dark during the loading process, it is probably caused by this reason, that is, the communication line is interrupted due to the looseness of the communication line during the communication process, so the screen becomes dark, and the screen is not moved, and the line cannot be loosened. Please check it out, it is very important to solve the problem quickly.)

The third step is to check and confirm whether the connected LED electronic screen and the HUB distribution board connected to the main control card are tightly connected or not.

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