1. Ctrl + Alt + F1
2. # sudo board-config.sh
3. Choose change_screen,
4. Select the current size that matches the current display resolution and refresh rate display, such as 1920 x 1080-60 ( the resolution is 1920 x 1080, refresh rate display is 60 HZ).
5. Take care of the notice
6. Press y , Enter
7. <Done> ( use Tab key to finish it)
8.Ctrl + Alt + F7 back to the graphic interface
9. Reboot pcDuino and you will see the right resolution which just set well .
Note: Use the Tab key to switch the cursor and press enter to finish it