Recovery mode will cause some drivers to not be loaded. So that might
explain the lack of brightness control.
Please try booting normally, expecting it to fail. Then reboot again
into recovery and run:
journalctl -b-1 > journal-1.txt
journalctl -b-2 > journal-2.txt
and attach the resulting text files here.
** Package changed: gnome-shell (Ubuntu) => ubuntu
** Changed in: ubuntu
Status: New => Incomplete
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You received this bug notification because you are a member of Desktop
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https://bugs.launchpad.net/bugs/2115484
Title:
am unable to adjust auto brightness
Status in Ubuntu:
Incomplete
Bug description:
i upgraded from ubuntu 22LTS to 24 LTS now am not seeing brightness
adjuster in GUI
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: iio-sensor-proxy 3.5-1build2
ProcVersionSignature: Ubuntu 6.8.0-62.65-generic 6.8.12
Uname: Linux 6.8.0-62-generic x86_64
ApportVersion: 2.28.1-0ubuntu3.7
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Fri Jun 27 15:29:10 2025
InstallationDate: Installed on 2021-09-19 (1376 days ago)
InstallationMedia: Ubuntu 20.04.3 LTS "Focal Fossa" - Release amd64 (20210819)
SourcePackage: iio-sensor-proxy
UpgradeStatus: No upgrade log present (probably fresh install)
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