Causes and Solutions of Black Screen on Huawei P40 Mobile Phone

Taking Huawei P40 mobile phone and EMUI 10: 1: 0 system as examples, this paper discusses the causes and solutions of the black screen after the mobile phone is turned on.

Power is too low

It may be that the battery of the mobile phone is too low, resulting in no response after the phone is turned on. Try to connect the phone charger and turn it on again.

system malfunction

It may be that there is something wrong with the mobile phone system, resulting in some functions of the mobile phone not being used normally. Try to update the mobile phone system, or restore the mobile phone to the factory settings after backing up the mobile phone data.