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[Ubuntu Foundations Team Bug Bot <2121431@xxxxxxxxxxxxxxxxxx>]

** Package changed: ubuntu => xorg (Ubuntu)

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https://bugs.launchpad.net/bugs/2121431

Title:
  Brightness control not working for laptop internal monitor after
  unplugging external monitor

Status in xorg package in Ubuntu:
  New

Bug description:
  Similar to https://answers.launchpad.net/ubuntu/+question/703200, but this happening on Ubuntu 25.10 after upgrade from 25.04.
  Brightness control for the internal monitor work before plugging in the external monitor.
  After unplugging the external monitor, the brightness controls still appear, as well as the indicator for brightness changes, but brightness for the internal monitor remains unchanged.

  ProblemType: Bug
  DistroRelease: Ubuntu 25.10
  Package: xorg (not installed)
  ProcVersionSignature: Ubuntu 6.16.0-16.16-generic 6.16.0
  Uname: Linux 6.16.0-16-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  ApportVersion: 2.33.1-0ubuntu2
  Architecture: amd64
  CasperMD5CheckResult: pass
  CurrentDesktop: ubuntu:GNOME
  Date: Tue Aug 26 10:47:38 2025
  InstallationDate: Installed on 2023-11-21 (644 days ago)
  InstallationMedia: Ubuntu 23.10.1 "Mantic Minotaur" - Release amd64 (20231016.1)
  ProcEnviron:
   LANG=fr_FR.UTF-8
   PATH=(custom, no user)
   SHELL=/bin/bash
   TERM=xterm-256color
   XDG_RUNTIME_DIR=<set>
  SourcePackage: xorg
  Symptom: display
  UpgradeStatus: Upgraded to questing on 2025-08-23 (3 days ago)

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