Which version of system do you use? Khadas official images, self built images, or others?
vim4-ubuntu-22.04-gnome-linux-5.4-fenix-1.5-230425.img.xz
Please describe your issue below:
Using a 1080p monitor (BenQ GW2283), I can confirm that the device detects the display and the configuration is visible in gnome settings, but I see no video output at all (similar with vim3 also)
Post a console log of your issue below:
Edid decode from vim4 itself:
Systemd dmesg: