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[Launchpad Bug Tracker <1291371@xxxxxxxxxxxxxxxxxx>]

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When I un-plug the external VGA cable from my Thinkpad X200s, the screen
dims.  Hitting Fn-Home (the brightness-increase key) does nothing.
Suspending and resuming doesn't reset this, though a reboot will allow
me to use the brightness controls again while in the POST and after.

My current workaround is that every time I disconnect the monitor, I
have to C-M-F1 to get to a virtual console, brighten the screen, and
then M-left to get back to X.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: compiz 1:0.9.11+14.04.20140310-0ubuntu1
ProcVersionSignature: Ubuntu 3.13.0-17.37-generic 3.13.6
Uname: Linux 3.13.0-17-generic x86_64
.tmp.unity.support.test.0:
 
ApportVersion: 2.13.3-0ubuntu1
Architecture: amd64
CompizPlugins: [core,bailer,detection,composite,opengl,decor,snap,gnomecompat,grid,regex,mousepoll,compiztoolbox,resize,move,wall,animation,vpswitch,place,imgpng,workarounds,expo,fade,ezoom,session,scale,unityshell]
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
CurrentDesktop: Unity
Date: Wed Mar 12 13:22:01 2014
DistUpgraded: 2014-02-25 19:06:30,487 DEBUG enabling apt cron job
DistroCodename: trusty
DistroVariant: ubuntu
EcryptfsInUse: Yes
GraphicsCard:
 Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller [8086:2a42] (rev 07) (prog-if 00 [VGA controller])
   Subsystem: Lenovo Device [17aa:20e4]
   Subsystem: Lenovo Device [17aa:20e4]
MachineType: LENOVO 7465CTO
PackageArchitecture: all
ProcKernelCmdLine: root=UUID=5237fceb-23d0-412d-84d9-b8f8b3bf28af ro quiet splash
SourcePackage: compiz
UpgradeStatus: Upgraded to trusty on 2014-02-25 (14 days ago)
dmi.bios.date: 06/25/2009
dmi.bios.vendor: LENOVO
dmi.bios.version: 6DET55WW (3.05 )
dmi.board.name: 7465CTO
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvr6DET55WW(3.05):bd06/25/2009:svnLENOVO:pn7465CTO:pvrThinkPadX200s:rvnLENOVO:rn7465CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 7465CTO
dmi.product.version: ThinkPad X200s
dmi.sys.vendor: LENOVO
version.compiz: compiz 1:0.9.11+14.04.20140310-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.52-1
version.libgl1-mesa-dri: libgl1-mesa-dri 10.1.0~rc3-0ubuntu3
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 10.1.0~rc3-0ubuntu3
version.xserver-xorg-core: xserver-xorg-core 2:1.15.0-1ubuntu6
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.8.2-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.3.0-1ubuntu3
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.910-0ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.10-1ubuntu2
xserver.bootTime: Wed Mar 12 09:07:01 2014
xserver.configfile: /etc/X11/xorg.conf
xserver.errors:
 
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
 product id                               16404 
 vendor                                     LEN
xserver.version: 2:1.15.0-1ubuntu6

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


** Tags: amd64 apport-bug compiz-0.9 trusty ubuntu
-- 
thinkpad screen dims after unplugging external display, and won't re-brighten without leaving X
https://bugs.launchpad.net/bugs/1291371
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