(In reply to Chaoyang Qin from comment #35) > (In reply to Nicolas Patricio Saenz Julienne from comment #33) > > Hi Chaoyang Qin, there was still a fix to be done. Keep in mind that the > > display driver is in the staging tree and the quality is not assured. > > > > Please install this kernel: > > https://download.opensuse.org/repositories/home:/nsaenzjulienne:/fbtft-test/ > > ARM/aarch64/kernel-default-5.1.16-3.1.g598180e.aarch64.rpm > > > > And use the overlay I'll attach following this message. To do so you have > > to: copy the file into '/boot/efi/overlays', and replace > > dtoverlay=rpi-display with dtoverlay=waveshare35a in your config.txt. > > Screen go black ,and imageview test show load failed. Please try the X11 test: https://github.com/notro/fbtft/wiki/Framebuffer-use#x-server Apart from running startx, also try restarting the device after creating the configuration file.