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[Bug 1087773] [NEW] Backlight Not Working

 

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Screen is always dim, cannot force the backlight on.

ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: xorg 1:7.7+1ubuntu4
ProcVersionSignature: Ubuntu 3.7.0-4.12-generic 3.7.0-rc7
Uname: Linux 3.7.0-4-generic i686
ApportVersion: 2.6.1-0ubuntu6
Architecture: i386
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: None
Date: Fri Dec  7 16:37:22 2012
DistUpgraded: Fresh install
DistroCodename: quantal
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes
GraphicsCard:
 NVIDIA Corporation G71 [Quadro FX 2500M] [10de:029a] (rev a1) (prog-if 00 [VGA controller])
   Subsystem: Dell Device [1028:019b]
InstallationDate: Installed on 2012-09-22 (76 days ago)
InstallationMedia: Ubuntu GNOME Remix 12.10 "Quantal Quetzal" - Alpha i386(20120912)
MachineType: Dell Inc. Precision M90
MarkForUpload: True
ProcEnviron:
 LANGUAGE=en_GB:en
 TERM=unknown
 PATH=(custom, no user)
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.7.0-4-generic root=UUID=e6a51b8d-824e-43e1-af98-262856fd3f72 ro vesafb.invalid=1 plymouth:debug nopat drm.debug=0xe
SourcePackage: xorg
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/16/2008
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A08
dmi.board.name: 0YD632
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvrA08:bd10/16/2008:svnDellInc.:pnPrecisionM90:pvr:rvnDellInc.:rn0YD632:rvr:cvnDellInc.:ct8:cvr:
dmi.product.name: Precision M90
dmi.sys.vendor: Dell Inc.
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.40+git20121123.171666e4-0ubuntu0ricotz2~quantal
version.libgl1-mesa-dri: libgl1-mesa-dri 9.1~git20121204.ec83535c-0ubuntu0ricotz~quantal
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 9.1~git20121204.ec83535c-0ubuntu0ricotz~quantal
version.xserver-xorg-core: xserver-xorg-core 2:1.13.0.902+git20121207+server-1.13-branch.ede07c1a-0ubuntu0ricotz~quantal
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.0.99+git20121126.60cd6cea-0ubuntu0sarvatt~quantal
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.20.15+git20121203.6f675eea-0ubuntu0sarvatt~quantal
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.4+git20121126.3b33a0b4-0ubuntu0sarvatt~quantal

** Affects: linux (Ubuntu)
     Importance: Medium
         Status: Incomplete


** Tags: apport-bug i386 latest-bios-a08 possible-manual-nvidia-install quantal third-party-packages ubuntu
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Backlight Not Working
https://bugs.launchpad.net/bugs/1087773
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