Which Khadas SBC do you use?
Vim 3 Pro
Which system do you use? Android, Ubuntu, OOWOW or others?
openSUSE Tumbleweed
Which version of system do you use? Khadas official images, self built images, or others?
official image:
Please describe your issue below:
Grub menu is visible on Monitor but after Grub menu no output through HDMI anymore