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[Bug 1329510] Re: Backlight setting on Asus X200M

 

Guillaume Royer, thank you for reporting this and helping make Ubuntu better. As per http://www.asus.com/Notebooks_Ultrabooks/X200MA/HelpDesk_Download/ an update to your BIOS is available (500). If you update to this following https://help.ubuntu.com/community/BiosUpdate does it change anything?  If it doesn't, could you please both specify what happened, and provide the output of the following terminal command:
sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date

Please note your current BIOS is already in the Bug Description, so
posting this on the old BIOS would not be helpful.

For more on BIOS updates and linux, please see
https://help.ubuntu.com/community/ReportingBugs#Bug_reporting_etiquette
.

Thank you for your understanding.

** Tags added: bios-outdated-500

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

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

** Summary changed:

- Backlight setting on Asus X200M
+ [Asus X200M] Changing Backlight not working

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https://bugs.launchpad.net/bugs/1329510

Title:
  [Asus X200M] Changing Backlight not working

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  Backlight setting is not working with Lubuntu 14.04.

  This bug is reported following
  https://wiki.ubuntu.com/Kernel/Debugging/Backlight#Debugging_information_to_provide_in_your_bug_report
  guidelines.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-29-generic 3.13.0-29.53
  ProcVersionSignature: Ubuntu 3.13.0-29.53-generic 3.13.11.2
  Uname: Linux 3.13.0-29-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  guillaume   1447 F.... lxpanel
  CRDA: Error: [Errno 2] Aucun fichier ou dossier de ce type: 'iw'
  CurrentDesktop: LXDE
  Date: Thu Jun 12 21:52:16 2014
  HibernationDevice: RESUME=UUID=5b0a59aa-0acf-415f-93bd-62df1b558efb
  InstallationDate: Installed on 2014-06-12 (0 days ago)
  InstallationMedia: Lubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140416.2)
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 003: ID 05e3:0608 Genesys Logic, Inc. USB-2.0 4-Port HUB
   Bus 001 Device 002: ID 0bda:5603 Realtek Semiconductor Corp. 
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: ASUSTeK COMPUTER INC. X200MA
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-29-generic.efi.signed root=UUID=37551324-2550-4e13-aea9-4603fbd63807 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-29-generic N/A
   linux-backports-modules-3.13.0-29-generic  N/A
   linux-firmware                             1.127
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 01/21/2014
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: X200MA.302
  dmi.board.asset.tag: ATN12345678901234567
  dmi.board.name: X200MA
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTeK COMPUTER INC.
  dmi.chassis.version: 1.0
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrX200MA.302:bd01/21/2014:svnASUSTeKCOMPUTERINC.:pnX200MA:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnX200MA:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
  dmi.product.name: X200MA
  dmi.product.version: 1.0
  dmi.sys.vendor: ASUSTeK COMPUTER INC.

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