The audio only uses the earpiece to make sound, and the speaker does not make sound. And when the receiver works, it will have a blue screen. This was done by individuals and no news was released. You’d better pay attention to the official news. The underlying problems can’t be solved. The extracted driven notebook is Huawei matebook e 2019
I don’t have this driver, and this needs to be modified and compiled boot. Users without programming foundation can’t get and use it. Officials have given the website of 845 device. If you are a developer, you can search GitHub and hope to find what you want. i 'm sorry