Brightness control does not work
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
xorg (Ubuntu) |
Expired
|
Low
|
Unassigned |
Bug Description
The brightness level of the screen does not change, despite of using the control brightness keys in the keyboard, or the control in "Brightness & Lock" in the "System Settings".
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: xorg 1:7.7+1ubuntu8.1
ProcVersionSign
Uname: Linux 3.19.0-42-generic x86_64
.tmp.unity.
ApportVersion: 2.14.1-0ubuntu3.11
Architecture: amd64
CompizPlugins: No value set for `/apps/
CompositorRunning: compiz
CompositorUnred
CompositorUnred
CurrentDesktop: Unity
Date: Thu Dec 24 15:25:11 2015
DistUpgraded: Fresh install
DistroCodename: trusty
DistroVariant: ubuntu
ExtraDebuggingI
GraphicsCard:
Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09) (prog-if 00 [VGA controller])
Subsystem: Lenovo Device [17aa:3903]
InstallationDate: Installed on 2015-12-24 (0 days ago)
InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
MachineType: LENOVO IdeaPad U310
ProcKernelCmdLine: BOOT_IMAGE=
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 09/04/2012
dmi.bios.vendor: Phoenix Technologies Ltd.
dmi.bios.version: 65CN89WW
dmi.board.
dmi.board.name: Lenovo
dmi.board.vendor: LENOVO
dmi.board.version: 31900004WIN8 STD SGL
dmi.chassis.
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.
dmi.modalias: dmi:bvnPhoenixT
dmi.product.name: IdeaPad U310
dmi.product.
dmi.sys.vendor: LENOVO
version.compiz: compiz 1:0.9.11.
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.60-
version.
version.
version.
version.
version.
version.
version.
version.
xserver.bootTime: Thu Dec 24 15:21:58 2015
xserver.configfile: default
xserver.errors:
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
product id 4140
vendor AUO
xserver.version: 2:1.17.
Status changed to 'Confirmed' because the bug affects multiple users.