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[Karolis <kpocius@xxxxxxxxx>]

I had this issue on 11.10, but it got resolved by upgrading to 3.2
kernel.

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https://bugs.launchpad.net/bugs/766490

Title:
  [Natty-Beta2] Turning off laptop monitor turn off both monitors
  (laptop and external) on Vostro 3500

Status in “gnome-control-center” package in Ubuntu:
  Invalid

Bug description:
  Binary package hint: gnome-control-center

  Following instructions for testing external monitor on a laptop in http://testcases.qa.ubuntu.com/Hardware/GFX/ExternalPrimary
  the resolutions of the external monitor are not detected properly. When I try to change them, also the Laptop Screen flickers and changes sizes (with "same image" option disabled, of course).
  Worse is when I try to set the external monitor to be primary (by turning off the laptop screen), both screens turn off.
  My steps:
  # Plugged external monitor
  # Go to Monitor in the Unity launcher.
  # Both screens are detected.
  # Tried different resolutions and more or less some of them worked (there where some resolutions external monitor isn't capable of).
  # Selected Laptop monitor and switched off, click apply.
  # Both monitors turned off and had to wait for the 30 second dialog to restore the last configuration. I was hoping the laptop screen to turn off and the external monitor be the primary.

  Then tried the switch screen har-button in this laptop (Fn + F8) but it triggers a "super" key instead (like the win logo).
  Afterwards Compiz crashed (Bug #766496).

  [Next Actions]
  * Reproduce under Oneiric to verify the issue is still relevant
  * Reproduce under Precise to verify it still occurs in development
  * Collect gsd logs as per comment #10

  ProblemType: Bug
  DistroRelease: Ubuntu 11.04
  Package: gnome-control-center 1:2.32.1-0ubuntu15
  ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
  Uname: Linux 2.6.38-8-generic x86_64
  Architecture: amd64
  Date: Tue Apr 19 16:38:56 2011
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Beta amd64 (20110413)
  ProcEnviron:
   LANGUAGE=es_AR:en
   LANG=es_AR.UTF-8
   SHELL=/bin/bash
  SourcePackage: gnome-control-center
  UpgradeStatus: No upgrade log present (probably fresh install)

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