Public bug reported:
when i edited the following i can control the brightness after login in to the
but i cannot control brightness of log in screen
also each time after booting brightness becomes full ie: it previously
adjusted brightness changes
gksudo gedit /etc/default/grub
Change the line:
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
to:
GRUB_CMDLINE_LINUX="GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_osi=Linux"
Save the new file, close gedit and run:
sudo update-grub
Reboot to test
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: gnome-control-center 1:3.4.2-0ubuntu0.11
ProcVersionSignature: Ubuntu 3.5.0-26.42~precise1-generic 3.5.7.6
Uname: Linux 3.5.0-26-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.0.1-0ubuntu17.1
Architecture: amd64
Date: Sun May 19 13:29:21 2013
ExecutablePath: /usr/bin/gnome-control-center
InstallationMedia: Ubuntu 12.04.2 LTS "Precise Pangolin" - Release amd64
(20130213)
MarkForUpload: True
ProcEnviron:
SHELL=/bin/bash
PATH=(custom, no user)
LANG=en_IN
LANGUAGE=en_IN:en
SourcePackage: gnome-control-center
UpgradeStatus: No upgrade log present (probably fresh install)
usr_lib_gnome-control-center:
activity-log-manager-control-center 0.9.4-0ubuntu3.2
deja-dup 22.0-0ubuntu3
gnome-bluetooth 3.2.2-0ubuntu5
indicator-datetime 0.3.94-0ubuntu2
** Affects: gnome-control-center (Ubuntu)
Importance: Undecided
Status: New
** Tags: acpi amd64 apport-bug precise running-unity
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https://bugs.launchpad.net/bugs/1181687
Title:
cannot control brigtness of ubuntu 12.04.2 login screen
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