Public bug reported:
Binary package hint: gnome-control-center
Machine: Lenovo Thinkpad X201
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
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)
** Affects: gnome-control-center (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug natty
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https://bugs.launchpad.net/bugs/799176
Title:
Switching external display to highest resolution: screen goes blank
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