Public bug reported:
Binary package hint: gdm
I use a laptop with an external monitor. When using the external
monitor, the display is configured to be on the external monitor only.
If I disconnect the external monitor, or even if I shut down and then
reboot with the external monitor disconnected, the display does not show
up on the laptop monitor at all. This used to work fine in Maverick, so
I guess it's a regression in Natty Alpha 3.
Workarounds:
1. Switch the display to be on the laptop monitor only before disconnecting or
shutting down, or
2. Boot into recovery mode and modify .config/monitors.xml and set "primary" to
"yes"; then reboot in normal mode.
Please let me know if any more information is required.
ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: gnome-session 2.32.1-0ubuntu15
ProcVersionSignature: Ubuntu 2.6.38-5.32-generic 2.6.38-rc6
Uname: Linux 2.6.38-5-generic x86_64
Architecture: amd64
Date: Fri Mar 11 19:26:24 2011
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha amd64 (20110302)
PackageArchitecture: all
ProcEnviron:
LANGUAGE=en_US:en
PATH=(custom, user)
LANG=en_US.UTF-8
SHELL=/usr/bin/zsh
SourcePackage: gnome-session
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: gdm (Ubuntu)
Importance: Undecided
Status: Fix Committed
** Tags: amd64 apport-bug natty
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https://bugs.launchpad.net/bugs/733278
Title:
Display doesn't switch back to primary when secondary monitor is
removed
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