How to repair the black screen of mobile phone screen？

If the mobile phone does not light up, it is generally a black screen fault, including instantaneous black screen and long-term black screen. When repairing the black screen of the mobile phone, we should first find out the problem. Only when we know the reason can we repair it correctly and avoid wronging money. The following are the common reasons for the black screen of mobile phones:


First, due to the memory problem of the mobile phone, if the memory of the mobile phone is used by 80%, the program is easy to be black when running, and automatically exit the program. The repair method can be ended by long pressing the home key of the mobile phone and calling up the recently executed program. We should also pay attention to it when using it at ordinary times. We should develop the good habit of uninstalling infrequently used software and exiting the program without using it.


The second is the problem of contact. For example, if you are in a falling, high temperature and humid environment, the screen wiring may become loose and short circuited, resulting in a black screen. It depends on the importance of peacetime.



Third, the problem of mobile phone film, the film must be formal.


Fourth, the conflict between the app software installed on the mobile phone. The repair method is to find the uninstall of collision software. If it is difficult to find the conflicting software, you can save the data, restore the factory settings, and then download the relevant software again.


Fifth, mobile phone viruses. It is necessary to protect mobile phones from viruses on a regular basis.


Sixth, the service time of the battery is too long. The overcharge and discharge of the battery leads to the shortening of the battery life, the poor contact between the battery and the battery connector, turning into a black picture or restarting. The repair method is to replace the mobile phone or replace the battery.


Seventh, it is the fault and repair method of the system software. First, you can confirm whether the software is the latest version, and you must upgrade to the other machine to solve these problems.