How to solve the incomplete LED display? _LED display module|LED display installation

LED display screens have been used for a long time, and there are many problems. LED display screens often show incomplete display, such as half of the display or incomplete display. How to solve this situation? The following is the technical answer of Huaze Optoelectronics: 　　Based on past experience, the main reasons for the incomplete display of the LED display are as follows: 　　 1. Half of the LED display does not show 　　 This possibility is a bit much. It may be that the power supply is not supplied or the control card is damaged. Wire check the power supply, and then use the control card software to check whether the control card is normal.　　2. A single or a few LED modules do not display 　　 generally because the module cable is loose or the contact is poor. For example, only the upper part or the lower part is displayed. If this happens, it is fine to move the cable or unplug it and plug it in again.　　 It is also possible that the 245 chip of the module is broken. Cause the LED display module to not display. There is no power supply.　　3. Blurred display screen　　 is generally caused by insufficient power supply, it is recommended to replace the LED display power supply.　　 If you want to repair it yourself, you have to pay attention to the LED display installation location and maintenance method. If it is the front maintenance method, you can remove the modules one by one for repair. In the case of rear maintenance, you can open the rear cover for repairs. If you are not sure, please contact the after-sales technical assistance of the LED display manufacturer.　　 In short, for the problem of incomplete LED display, you can check the power supply and signal line problems first. If you confirm that there are no problems, then check the LED display module problems, and conduct scientific investigations one by one.