Thanks for the bug report.
Can you tell us what model laptop you're using?
Also what do you get when you run this command?; ls
/sys/class/backlight/
** Changed in: gnome-shell (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1727310
Title:
change screen brightness not working
Status in gnome-shell package in Ubuntu:
Incomplete
Bug description:
changing the screen brightness does not work when you try to change
the slider on the toolbar at the top right
ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: gnome-shell 3.26.1-0ubuntu4
ProcVersionSignature: Ubuntu 4.10.0-33.37-generic 4.10.17
Uname: Linux 4.10.0-33-generic x86_64
NonfreeKernelModules: zfs zunicode zavl zcommon znvpair
ApportVersion: 2.20.7-0ubuntu3
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Wed Oct 25 17:10:04 2017
DisplayManager: lightdm
GsettingsChanges: b'org.gnome.desktop.interface' b'gtk-im-module'
b"'gtk-im-context-simple'"
InstallationDate: Installed on 2015-08-27 (789 days ago)
InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
SourcePackage: gnome-shell
UpgradeStatus: Upgraded to artful on 2017-10-25 (0 days ago)
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