Six screening technique! From now on to get rid of the LED display confusion - couldn't load the image LED display - knowledge

In the process of using the LED display, sometimes encounter LED display couldn't load the image. Many clients met with this problem, don't know what to do? In order to solve the customer confusion, small make up next to you about how to troubleshoot LED display couldn't load the image problem. One, check the LED display the jumper cap is loose or fall off; If there are no loose jumper cap, please make sure the jumper cap in the right direction. 2, check and confirm the LED display is used to connect the controller serial port line is straight line, not cross line. 3, check and confirm the display screen a serial port on both ends of the cable is in good condition and no loose or falls off phenomenon. Four, control LED display control software and control card of their selection to choose the right product model, the transmission mode of right, the correct serial number, the correct baud rate and software available to dial the code switch figure set correctly on the control system hardware address and the baud rate. Five, ensure the LED display control system hardware has right to electricity. Six, as there is still a loaded after the above check and correction, please use multimeter measure, connected by the computer or hardware serial port control system has been damaged, to confirm whether they should get back or control system hardware return relevant computer manufacturers. Above is the small make up summed up six screening method. LED display couldn't load the image usually is caused by improper operation, of course, each LED display device caused by transit collision problem is some, but the chance is very small, very small.