Public bug reported:
Dell Inspiron 15-3567, Hirsute
My display setup is the laptop and on the right a monitor.
As I change my brightness, lower or higher, on the laptop the brightness
will change but on the monitor it won't.
Not the physical monitor brightness-that obviously can't be controlled-
but the content of what the monitor shows should be dimming/brightening.
(For example if theoretically I turned the brightness to 0, to an all
dark screen, it should be all dark on the monitor aswell, even if the
monitor brightness is max, the OS is showing nothing)
Yes, I looked through GNOME's settings daemon and this is most likely
the package this occurs in.
ProblemType: Bug
DistroRelease: Ubuntu 21.04
Package: gnome-control-center 1:3.38.1-1ubuntu1
ProcVersionSignature: Ubuntu 5.8.0-25.26-generic 5.8.14
Uname: Linux 5.8.0-25-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu51
Architecture: amd64
CasperMD5CheckResult: pass
CasperVersion: 1.455
CurrentDesktop: ubuntu:GNOME
Date: Sun Nov 22 02:03:00 2020
LiveMediaBuild: Ubuntu 21.04 "Hirsute Hippo" - Alpha amd64 (20201120)
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: gnome-control-center
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: gnome-control-center (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug hirsute
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https://bugs.launchpad.net/bugs/1905153
Title:
Brightness only works on one display, not two
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