Can't Find the backlight option

Hlw community. I am here to ask how can i install backlight for controlling brightness. Or how can i know which brightness controller actually manipulating my screen brightness. I read through the backlight inside the arch wiki. I know a module called light that can control the screen brightness using terminal. But the problem is mine don't have intel backlight because i am using a graphics card.

Let me clear my configuration:

My Monitor is : Dell S2216H
My CPU is : Intel Core I5 6500
My graphics Card is : AMD Radeon RX 480
Using Driver : Open Source.
Os : Garuda Dragonized KDE Edition.

Thanks for your attention.

Some maybe useful links are present in this thread:
https://bbs.archlinux.org/viewtopic.php?id=248493

2 Likes

Thanks i will check this out and let you know

This is an external monitor so you need either ddcutil or ddcci-driver-linux-dkms as listed under https://wiki.archlinux.org/title/backlight#External_monitors.

Also keep in mind that external monitors don't work the same as laptop panels.

2 Likes

Search the forum on this. There are similar topics.
Generally, you may need to disable one backlight if the system discovers or uses 2 or more.
Post relevant info from your troubleshooting.

1 Like