Ok, With latest updates, finally I became able to switch laptop screen off. And
I experience following:
Firstly: my hardware:
HP ProBook 4520s laptop. Intel Core i3, IntelHD graphics card, External monitor
- Samsung SyncMaster 2243nw
Software:
Ubuntu 11.04. Up to date as per 17-Aug-2011
The problem sequence:
0. Initially I have both monitors (laptop and external) enabled and working
nicely side by side (no mirroring) with full resolution.
1. I go System-Preferences-Monitors and turn off laptop monitor. Click apply.
Laptop screen goes blank and I have external monitor working alone perfectly
with full resolution.
2. I close the lid of the laptop. HERE THE PROBLEM STARTS! What happens: Ubuntu
switches both monitors and puts them into mirror mode. External monitor's
resolution screwed. What one would expect: If a laptop screen is switched off
in corresponding dialog, closing the laptop lid should not affect the settings
and the external monitor.
3. I switch off laptop monitor and fix resolution for external monitor in the
dialog. Click apply and all goes well again.
4. I open up the laptop lid and same happens: monitors are put in morror mode
and resolutions screwed.
5. Close the lid again. Mirroring is switched off by itself and both monitors
are on, even though laptop monitor supposed to be off (lid is closed) and I can
see part of my desktop on my external monitor (it had it's resolution right at
least).
Does Ubuntu wrongly identifies the position of the laptop lid???
As well I have a problem related to this (I think). When I turn on the
laptop and close the lid while it is still running BIOS, The login
screen appears only on laptop screen which is closed and on external one
I can see only background theme. Please let me know if I should report
this as a separate bug.
** Attachment added: Problem description video (my apologies for video
quality)
https://bugs.launchpad.net/ubuntu/+source/gnome-settings-daemon/+bug/703347/+attachment/2285817/+files/DSC00321.3GP
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https://bugs.launchpad.net/bugs/703347
Title:
laptop close lid event is being handled wrongly
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https://bugs.launchpad.net/ubuntu/+source/gnome-settings-daemon/+bug/703347/+subscriptions
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