Public bug reported:
Not able to adjust screen brightness. Screen brightness always at maximum
brightness.
Hot keys respond but do not adjust brightness.
Changing values in sys/class/backlight did not work.
Third party application like Xbacklight does not work either.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-5.0.0-37-generic 5.0.0-37.40~18.04.1
ProcVersionSignature: Ubuntu 5.0.0-37.40~18.04.1-generic 5.0.21
Uname: Linux 5.0.0-37-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.9
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Thu Dec 12 20:48:14 2019
SourcePackage: linux-signed-hwe
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: linux-signed-hwe (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic
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https://bugs.launchpad.net/bugs/1856198
Title:
OS does not adjust the screen brightness
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