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[vince <891571@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

after upgrading from ubuntu 10.10 > 11.04 > 11.10 the laptop acer 5336 showed the grubloader after a few seconds the screen went blank. ubuntu loaded normaly when i conntected a external monitor was this one working. via screens i 'closed' the laptopscreen and turned it on again. now the laptopscreen as image. i adjusted the grubfile:  it looks like this:
GRUB_DEFAULT=0
#GRUB_HIDDEN_TIMEOUT=0
GRUB_HIDDEN_TIMEOUT_QUIET=true
GRUB_TIMEOUT=10
GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian`
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
#GRUB_CMDLINE_LINUX_DEFAULT="i915.modeset=0 quiet splash acpi_osi=Linux"
#GRUB_CMDLINE_LINUX=""
GRUB_CMDLINE_LINUX="acpi_osi=Linux"

now the laptop startś up showing the grubmanager, a few seconds a purple screen and turns to blank. When i hit the control keys i get the backlight on. 
I tried several solutions, but nothing was a final solution. 
In ubuntu 10.10 everything works fine.

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: xorg 1:7.6+7ubuntu7
ProcVersionSignature: Ubuntu 3.0.0-13.22-generic 3.0.6
Uname: Linux 3.0.0-13-generic x86_64
NonfreeKernelModules: wl
.tmp.unity.support.test.0:
 
ApportVersion: 1.23-0ubuntu4
Architecture: amd64
CompizPlugins: [core,bailer,detection,composite,opengl,compiztoolbox,decor,move,snap,vpswitch,place,gnomecompat,mousepoll,regex,grid,resize,imgpng,wall,animation,workarounds,session,unitymtgrabhandles,expo,fade,ezoom,scale,unityshell]
CompositorRunning: None
Date: Thu Nov 17 12:44:44 2011
DistUpgraded: Log time: 2011-11-16 13:14:16.547439
DistroCodename: oneiric
DistroVariant: ubuntu
DkmsStatus:
 bcmwl, 5.100.82.38+bdcom, 2.6.38-12-generic, x86_64: installed
 bcmwl, 5.100.82.38+bdcom, 3.0.0-12-generic, x86_64: installed
 bcmwl, 5.100.82.38+bdcom, 3.0.0-13-generic, x86_64: installed
ExtraDebuggingInterest: No
GraphicsCard:
 Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller [8086:2a42] (rev 09) (prog-if 00 [VGA controller])
   Subsystem: Acer Incorporated [ALI] Device [1025:048a]
   Subsystem: Acer Incorporated [ALI] Device [1025:048a]
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
MachineType: Acer Aspire 5336
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-13-generic root=UUID=650e262a-ccb0-4a1a-a002-29bd04f2d432 ro acpi_osi=Linux quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: Upgraded to oneiric on 2011-11-16 (0 days ago)
dmi.bios.date: 08/17/2010
dmi.bios.vendor: Acer
dmi.bios.version: V1.03
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: JE51_MV
dmi.board.vendor: Acer
dmi.board.version: V1.03
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: V1.03
dmi.modalias: dmi:bvnAcer:bvrV1.03:bd08/17/2010:svnAcer:pnAspire5336:pvrV1.03:rvnAcer:rnJE51_MV:rvrV1.03:cvnAcer:ct10:cvrV1.03:
dmi.product.name: Aspire 5336
dmi.product.version: V1.03
dmi.sys.vendor: Acer
version.compiz: compiz 1:0.9.6+bzr20110929-0ubuntu6
version.ia32-libs: ia32-libs 20090808ubuntu26
version.libdrm2: libdrm2 2.4.26-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 7.11-0ubuntu3
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 7.11-0ubuntu3
version.xserver-xorg: xserver-xorg 1:7.6+7ubuntu7
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.6.0-1ubuntu13
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.99~git20110811.g93fc084-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.15.901-1ubuntu2.1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110411+8378443-1

** Affects: xserver-xorg-video-intel (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug oneiric regression-update ubuntu

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https://bugs.launchpad.net/bugs/891571

Title:
  blank screen appears after a few seconds

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