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[Bug 1247464] Re: Lenovo G700 - Screen gets dark after startup

 

Franz Altmüller,could you please test the latest upstream kernel available (not the daily folder, but the one all the way at the bottom) following https://wiki.ubuntu.com/KernelMainlineBuilds ? It will allow additional upstream developers to examine the issue. Once you've tested the upstream kernel, please comment on which kernel version specifically you tested. If this bug is fixed in the mainline kernel, please add the following tags:
kernel-fixed-upstream
kernel-fixed-upstream-VERSION-NUMBER

where VERSION-NUMBER is the version number of the kernel you tested. For example:
kernel-fixed-upstream-v3.12-rc7

This can be done by clicking on the yellow circle with a black pencil icon next to the word Tags located at the bottom of the bug description. As well, please remove the tag:
needs-upstream-testing

If the mainline kernel does not fix this bug, please add the following tags:
kernel-bug-exists-upstream
kernel-bug-exists-upstream-VERSION-NUMBER

As well, please remove the tag:
needs-upstream-testing

Once testing of the upstream kernel is complete, please mark this bug's
Status as Confirmed. Please let us know your results. Thank you for your
understanding.

** Tags added: bios-outdated-7acn24ww

** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

** Changed in: linux (Ubuntu)
       Status: Confirmed => Incomplete

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https://bugs.launchpad.net/bugs/1247464

Title:
  Lenovo G700 - Screen gets dark after startup

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  I have a lenovo g700-notebook. i installed ubuntu 13.10. on monday. It was very tricky. On startup with Ubuntu-Install-USB-Stick  after aprox. 30 secs. the screen got dark. I didn't know whats going on. so i tried starting several times. At least i mentioned that the brightness was at minimum (screen dark), but with the 'brightness+' (F12) i could see the screen. This behavior still remains, but now i know waht to do. Other users may have problems with this behavior. The brightness-key allows to darken the screen absolutely, so you dont see what happens. At least i'd like to save the screen-brightness, but i'm unable to do this. On startup the brightness is always on 'dark'-mode and i have to brighten up the screen.
  --- 
  ApportVersion: 2.12.5-0ubuntu2.1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  franz      1864 F.... pulseaudio
   /dev/snd/controlC1:  franz      1864 F.... pulseaudio
  DistroRelease: Ubuntu 13.10
  HibernationDevice: RESUME=UUID=8558744e-de55-4cf4-80c0-01958b60b9dc
  InstallationDate: Installed on 2013-10-30 (3 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
  MachineType: LENOVO 20251
  MarkForUpload: True
  Package: linux (not installed)
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-12-generic.efi.signed root=UUID=c4c3b383-0f77-4f5b-a1a7-10bc6016da2d ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.11.0-12.19-generic 3.11.3
  RelatedPackageVersions:
   linux-restricted-modules-3.11.0-12-generic N/A
   linux-backports-modules-3.11.0-12-generic  N/A
   linux-firmware                             1.116
  Tags:  saucy
  Uname: Linux 3.11.0-12-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  dmi.bios.date: 06/25/2013
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 7ACN24WW
  dmi.board.asset.tag: No Asset Tag
  dmi.board.name: G700
  dmi.board.vendor: LENOVO
  dmi.board.version: 31900003WIN8 STD MLT
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Lenovo G700
  dmi.modalias: dmi:bvnLENOVO:bvr7ACN24WW:bd06/25/2013:svnLENOVO:pn20251:pvrLenovoG700:rvnLENOVO:rnG700:rvr31900003WIN8STDMLT:cvnLENOVO:ct10:cvrLenovoG700:
  dmi.product.name: 20251
  dmi.product.version: Lenovo G700
  dmi.sys.vendor: LENOVO

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