I changed Z8530 hi12 mainboard and starting screen flickering problems. When i was use mouse and keyboard or finger, the screen ia Flickering . İts seen white screen more. Dark screen dont visible ( very very little).
İf dont touch anything ( mouse, screen) nothing happen. Only use tablet. .
And i want to install new windows, download chuwi website. But i dont install.
I did do for 8500, but same way i didnt install. Push f7, enter usb directory coming blue screen and shutdown.