Led display is very popular in real life is good, but in the use of the process of hard to avoid can meet led display does not show come out, so should be how to solve? The following is an example of an led display manufacturer.
Open the case and check if there is a short circuit on the control card.
Check whether the parameters in the software are consistent with the installation engineer.
Check if the serial port is securely fastened and whether the communication line has broken line.
Check the power supply of the led display screen, and use the test pen or multimeter test switch to detect the electrical power at the electrical end of the switch. Whether the switch has a problem or if the line is broken.
The screen that syncs with the computer first checks the computer to enter the resting state. If enter dormancy, first enter the control panel, click the power management, the system waits and close monitor the option to choose never options, in this way, the computer will not sleep, screen can work normally; If you don't go into hibernation, you can open the box, check if the control card and the communication cable are plugged and check if the communication cables are broken.
Check the display location in software and the size of the screen and the same as the installation engineer. Parameters such as don't know, you can count on the screen body length and width of pixel points, when the screen size is determined, then look at the display on the screen area difference how many, and then adjusted back to the computer, until the position match.