Create a file /etc/X11/xorg.conf.d/20-intel.conf with the following
content:
Section "Device"
Identifier "HD 4000"
Driver "Intel"
Option "Backlight" "intel_backlight"
EndSection
All works fine!
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to gnome-control-center in Ubuntu.
https://bugs.launchpad.net/bugs/1153173
Title:
The slider does not change the brightness
Status in “gnome-control-center” package in Ubuntu:
Confirmed
Bug description:
Hello.
I am tryed to use live cd Ubuntu 13.04 daily build on my eMachines E525
laptop.
When I open the "Brightness and lock" and try to change the brightness using
the slider, the brightness does not change.
I use the "acpi_osi=Linux acpi_backlight=vendor" options in
"/etc/default/grub"
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1153173/+subscriptions
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