Public bug reported:
I made the next steps for making backligth work:
execute sudo gedit /etc/default/grub
Change this line : GRUB_CMLINE_LINUX_DEFAULT="quiet splash"
to something like: GRUB_CMDLINE_LINUX_DEFAULT="quiet splash
acpi_backlight=vendor"
Execute sudo update-grub and reboot
I made it, because backlight doesn't working after new installation of
Ubuntu 13.04. How to fix it?
My backlight control keys are: Fn + F2, F3
ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: xorg 1:7.7+1ubuntu4
ProcVersionSignature: Ubuntu 3.8.0-25.37-generic 3.8.13
Uname: Linux 3.8.0-25-generic x86_64
.tmp.unity.support.test.0:
ApportVersion: 2.9.2-0ubuntu8.1
Architecture: amd64
CompizPlugins: No value set for
`/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
Date: Fri Jun 21 11:44:52 2013
DistUpgraded: Fresh install
DistroCodename: raring
DistroVariant: ubuntu
DkmsStatus:
bbswitch, 0.7, 3.8.0-23-generic, x86_64: installed
bbswitch, 0.7, 3.8.0-25-generic, x86_64: installed
nvidia-304, 304.88, 3.8.0-23-generic, x86_64: installed
nvidia-304, 304.88, 3.8.0-25-generic, x86_64: installed
ExtraDebuggingInterest: I just need to know a workaround
GraphicsCard:
Intel Corporation 2nd Generation Core Processor Family Integrated Graphics
Controller [8086:0116] (rev 09) (prog-if 00 [VGA controller])
Subsystem: Samsung Electronics Co Ltd Device [144d:c606]
InstallationDate: Installed on 2013-06-10 (10 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
MachineType: SAMSUNG ELECTRONICS CO., LTD. 300E4Z/300E5Z/300E7Z
MarkForUpload: True
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-25-generic
root=UUID=8bc3e261-0e77-4b30-8cae-807ef5bddffc ro quiet splash
acpi_backlight=vendor
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/02/2012
dmi.bios.vendor: Phoenix Technologies Ltd.
dmi.bios.version: 09QB
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 300E4Z/300E5Z/300E7Z
dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.board.version: FAB1
dmi.chassis.asset.tag: Asset Tag
dmi.chassis.type: 9
dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.chassis.version: 0.1
dmi.modalias:
dmi:bvnPhoenixTechnologiesLtd.:bvr09QB:bd11/02/2012:svnSAMSUNGELECTRONICSCO.,LTD.:pn300E4Z/300E5Z/300E7Z:pvr0.1:rvnSAMSUNGELECTRONICSCO.,LTD.:rn300E4Z/300E5Z/300E7Z:rvrFAB1:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvr0.1:
dmi.product.name: 300E4Z/300E5Z/300E7Z
dmi.product.version: 0.1
dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.
version.compiz: compiz 1:0.9.9~daily13.04.18.1~13.04-0ubuntu1
version.ia32-libs: ia32-libs 20090808ubuntu36
version.libdrm2: libdrm2 2.4.43-0ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 9.1.3-0ubuntu0.3
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 9.1.3-0ubuntu0.3
version.xserver-xorg-core: xserver-xorg-core 2:1.13.3-0ubuntu6
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu2b2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.1.0-0ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.21.6-0ubuntu4
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.7-0ubuntu1
xserver.bootTime: Fri Jun 21 10:50:36 2013
xserver.configfile: default
xserver.errors:
xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.13.3-0ubuntu6
xserver.video_driver: intel
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug compiz-0.9 raring ubuntu
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https://bugs.launchpad.net/bugs/1193265
Title:
Backlight on SAMSUNG NP-300E5Z is don't working
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