Reasons-for-bad-LED-screen
Mar 22, 2021
A. Whether the edited and sent program is empty.
B. Whether the LED screen is normally powered on.
C. Whether the computer monitor is protected, or the display area of the screen is black or pure blue.
D. The synchronization screen detects whether the green light of the sending card and the receiving card is flickering.
E. Check whether the communication line is connected and whether it is connected incorrectly.
F.Whether the connection between the HUB distribution board and the LED display is reversed.
The above are the most common reasons that cause the LED display to not light up. Start with the most common and easiest, step by step in-depth investigation.
