Public bug reported:

Binary package hint: gnome-power-manager

I have a Dell Latitude D410 laptop running the latest testing version of
Jaunty.

While I'm typing here, I have the laptop on AC power.  I find the screen
keeps dimming down to about 60%.  I then use the hotkey to brighten the
screen up again.  Within a minute or two it has dimmed back down again.

The power management settings "On AC power" are set to

 Put computer to sleep when inactive: Never
 When laptop is closed: blank screen
 Put display to sleep when inactive for: 15 minutes
 Set display brightness to: 100%
 Dim display when idle: unchecked

"On Battery Power":

 Put computer to sleep when inactive: Never 
 When laptop is closed: blank screen
 When battery power is critically low: Shutdown
 Put display to sleep when inactive for: 11 minutes
 Reduce backlight brightness: checked
 Dim display when idle: checked

The gnome tray applet confirms that I do have AC power on.

This problem is consistently irritating.  I'm in a bright room and
really need the full backlight.


gavi...@bambi:~$ apt-cache policy gnome-power-manager
gnome-power-manager:
  Installed: 2.24.2-2ubuntu7
  Candidate: 2.24.2-2ubuntu7
  Version table:
 *** 2.24.2-2ubuntu7 0
        500 http://ie.archive.ubuntu.com jaunty/main Packages
        100 /var/lib/dpkg/status
gavi...@bambi:~$ lsb_release -rd
Description:    Ubuntu jaunty (development branch)
Release:        9.04

** Affects: gnome-power-manager (Ubuntu)
     Importance: Undecided
         Status: New

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[jaunty] screen brightness dims on AC power despite config to leave at 100%
https://bugs.launchpad.net/bugs/355180
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