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[Bug 709966] [NEW] Screen dims when ac power removed, regardless of settings

 

Public bug reported:

Binary package hint: xorg

When I disconnect the AC power from my HP Mini netbook the screen dims.
I find this annoying so I have changed settings in System > Preferences
> Power Management but no matter what I do the screen will always dim
when AC power is removed.  This was also the case back when I was
running Intrepid.

My Power Management settings are...

On Battery Power

Actions
Put computer to sleep when inactive for : Never
When laptop lid is closed : Suspend
When battery power is critically low : Hibernate
Spin down hard disks when possible : checked

Display
Put display to sleep when inactive for : 10 minutes
Reduce backlight brightness : UNCHECKED

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: xorg 1:7.5+5ubuntu1
ProcVersionSignature: Ubuntu 2.6.32-24.43-generic 2.6.32.15+drm33.5
Uname: Linux 2.6.32-24-generic i686
Architecture: i386
Date: Sun Jan 30 13:17:58 2011
DkmsStatus: Error: [Errno 2] No such file or directory
GdmLog2: Error: command ['gksu', '-D', 'Apport', '--', 'cat', '/var/log/gdm/:0.log.2'] failed with exit code 1: cat: /var/log/gdm/:0.log.2: No such file or directory
InstallationMedia: Ubuntu 10.04.1 LTS "Lucid Lynx" - Release i386 (20100816.1)
MachineType: Hewlett-Packard HP Mini
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-24-generic root=UUID=f2d53660-6fb9-4c95-bba3-1e263aacfd7d ro quiet splash
ProcEnviron:
 LANG=en_NZ.utf8
 SHELL=/bin/bash
SourcePackage: xorg
Symptom: display
dmi.bios.date: 11/07/2008
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: 361A0 Ver. F.05
dmi.board.name: 361A
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 02.0D
dmi.chassis.asset.tag: CNU84916JV
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias: dmi:bvnHewlett-Packard:bvr361A0Ver.F.05:bd11/07/2008:svnHewlett-Packard:pnHPMini:pvrF.05:rvnHewlett-Packard:rn361A:rvrKBCVersion02.0D:cvnHewlett-Packard:ct10:cvr:
dmi.product.name: HP Mini
dmi.product.version: F.05
dmi.sys.vendor: Hewlett-Packard
glxinfo: Error: [Errno 2] No such file or directory
system:
 distro:             Ubuntu
 codename:           lucid
 architecture:       i686
 kernel:             2.6.32-24-generic

** Affects: xorg (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386 lucid

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https://bugs.launchpad.net/bugs/709966

Title:
  Screen dims when ac power removed, regardless of settings



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