Public bug reported:

The screen brightness can no longer be adjusted using the Fn+arrow keys.

This feature is gone for:
gnome-power-manager (3.1.3-0ubuntu1/0ubuntu2)

Workaround is to downgrade to:
gnome-power-manager (3.1.2-0ubuntu1)


Furthermore, the brightness cannot be adjusted in the gnome control center
Command: gnome-control-center screen

This feature also is gone for:
gnome-control-center (1:3.1.4-0ubuntu1/0ubuntu2)

Workaround is to downgrade to:
gnome-control-center (1:3.1.3-0ubuntu5)
gnome-control-center-data (1:3.1.3-0ubuntu5)
libgnome-control-center1 (1:3.1.3-0ubuntu5)

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: gnome-power-manager 3.1.3-0ubuntu1
ProcVersionSignature: Ubuntu 3.0.0-7.8-generic 3.0.0
Uname: Linux 3.0.0-7-generic x86_64
NonfreeKernelModules: nvidia
Architecture: amd64
Date: Fri Jul 29 13:21:24 2011
GnomeSessionIdleInhibited: No
GnomeSessionInhibitors: None
GnomeSessionSuspendInhibited: No
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
MachineType: SAMSUNG ELECTRONICS CO., LTD. R580/R590
ProcEnviron:
 PATH=(custom, user)
 LANG=sv_SE.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-7-generic 
root=UUID=52c4a378-4960-4eb5-b56e-fd789daaa5fb ro quiet splash vt.handoff=7
SourcePackage: gnome-power-manager
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/22/2010
dmi.bios.vendor: Phoenix Technologies Ltd.
dmi.bios.version: 11JB.M044.20100622.hkk
dmi.board.asset.tag: Tag 12345
dmi.board.name: R580/R590
dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.board.version: Not Applicable
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 9
dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.chassis.version: N/A
dmi.modalias: 
dmi:bvnPhoenixTechnologiesLtd.:bvr11JB.M044.20100622.hkk:bd06/22/2010:svnSAMSUNGELECTRONICSCO.,LTD.:pnR580/R590:pvrNotApplicable:rvnSAMSUNGELECTRONICSCO.,LTD.:rnR580/R590:rvrNotApplicable:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvrN/A:
dmi.product.name: R580/R590
dmi.product.version: Not Applicable
dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.
gnome-power-bugreport: Error: [Errno 2] Filen eller katalogen finns inte

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


** Tags: amd64 apport-bug oneiric regression running-unity

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You received this bug notification because you are a member of Ubuntu
Desktop Bugs, which is subscribed to gnome-power-manager in Ubuntu.
https://bugs.launchpad.net/bugs/817991

Title:
  Cannot change screen brightness after upgrading gnome-power-manager

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