一. The black screen of the LED transparent screen does not work

　　1. Confirm whether the control box is powered on (PWR red indicator light is always on), and the signal output is normal (RUN green light indicator flashes);

　　2. Whether the LED transparent screen is normally powered on, the screen will flash once when the power is turned on or off, and then the screen will be black;

　　3. If the above two checks are correct, please confirm whether the network cable has been plugged in and the contact is good. You can use a network cable tester to test whether the network cable is normal.

　 2. The screen display of the LED display screen is not comprehensive

　　 1. Please confirm whether the content of the program is produced according to the resolution of the transparent screen.

　　2. Please confirm that the resolution of the video processor is consistent with the resolution of the screen.

　　3, one or more light bars in a module or the whole module is not working properly

　　 First confirm the location of the fault phenomenon (confirm the location of the faulty module by visual inspection, and make a simple mark), and then replace the faulty module accordingly. The specific method of replacing the module is as follows:

　　①, cut off all the power supply of the screen; open the cover board behind the screen, and unplug the power cord and signal line on the module;

　　②, remove the fixing screws on the left and right of the module (shown on the right);

　　③, remove the faulty module and pack it;

　　④, install the corresponding new module, tighten the fixed module screws and plug in the power cord and signal line;

　　⑤. Whether the power-on test screen is normal.

　　 The above is the solution to common problems about how to overhaul the transparent LED display screen. From simple to complex, starting from the basics, the problem can be solved.