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[Launchpad Bug Tracker <799176@xxxxxxxxxxxxxxxxxx>]

[Expired for gnome-control-center (Ubuntu) because there has been no
activity for 60 days.]

** Changed in: gnome-control-center (Ubuntu)
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/799176

Title:
  Switching external display to highest resolution: screen goes blank

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

Bug description:
  Binary package hint: gnome-control-center
  Machine: Lenovo Thinkpad X201

  Important(?) remark: I switched back to a previous linux kernel to write this report in a decent way, the collected information is therefore not accurate, the uname should be the newest kernel now used, not the one that is in the list.
  Bug is critical - I cannot use my machine in any normal way with Ubuntu.
  In the previous version of Ubuntu (10.64) the following problem did not occur - it all worked like a charm. After the upgrade my machine became virtually unusable due to the following video problem.

  Details: by default Ubuntu 11.04 does not start in full resolution on
  my external display. Only a small square is visible in the middle of
  my screen. That is no real issue for me, however:

  if I use Monitors (gnome-display-manager) to switch to the appropriate
  resolution for my external display, and switch off my laptop screen,
  the following happens:

  - external screen goes blank (dark color, not off), mouse still visible and movable
  - laptop screen is switched off (not dark color, really off)  (thats good)
  I cannot do anything, so have to wait until it automatically switches back to previous settings. However, this goes wrong as well:
  - laptop screen joins the party: same as external screen now, also a movable mousepointer with a blank, dark colored, screen.
  Machine is unusable from now on.

  Hope you can solve this soon. I've tried it with 2 different
  installations of Ubuntu 11.04 on my machine - same problem. Thanks.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.04
  Package: gnome-control-center 1:2.32.1-0ubuntu15
  ProcVersionSignature: Ubuntu 2.6.35-28.50-generic 2.6.35.11
  Uname: Linux 2.6.35-28-generic x86_64 (NOT CORRECT: should be the newest 64 bit kernel, see remark on top of this bug description)
  Architecture: amd64
  Date: Sat Jun 18 17:24:05 2011
  ExecutablePath: /usr/bin/gnome-display-properties
  InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
  ProcEnviron:
   LANGUAGE=en_US:en
   PATH=(custom, user)
   LANG=en_US.utf8
   SHELL=/bin/bash
  SourcePackage: gnome-control-center
  UpgradeStatus: Upgraded to natty on 2011-05-09 (40 days ago)

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