3rd Step: Check the USB cord for problems. The cable is crucial because it connects the charger and the phone; without it, the charger would be unable to provide electric power to the phone. So, when you’ve ruled out the potential of a charger malfunction, you should also rule out this option. Using a separate USB cable and plugging it into -go to phh settings -> misc and select "force fps" and select you're screen fps and resolution and reboot. -if it doesn't work, go to the developer settings and open "Graphics driver settings". Now select a random app and select "graphics driver for system". I show you how to fix a Huawei P30 Pro that is having a black screen issue, won't turn on, can't reboot or restart, frozen or is unresponsive. If you have an .