You have been subscribed to a public bug by Jamie Strandboge (jdstrand):
Binary package hint: xserver-xorg-video-intel
This is a private bug which is created in parallel to Bug 216454 and Bug
220563: Cloning and "Extending" a screen keeps the system in a state
with which you cannot work
The following issue has been tested by canonical support. Here are the
instructions to reproduce:
1) On Laptop using intel integrated video, plug in a monitor to the VGA
2) Boot the computer, screens will be in "Clone" mode
3) Go to System > Preferences > Screen resolution
4) Clone button is NOT checked. Monitors cannot be put into extended mode using
screen-resolution-utility
Tested using the following hardware
-Dell Inspiron 1420
-Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller
[8086:2a02] (rev 0c)
Using "intel" driver monitors cannot be put into extended mode unless
xorg.conf is configured manually by adding the following to Section
"Screen"
==
Section "Screen"
Identifier "Default Screen"
Monitor "Configured Monitor"
Device "Configured Video Device"
SubSection "Display"
Virtual 2048 2048
EndSubSection
EndSection
==
Of course "2048 2048" will create a virtual environment for the two
monitors either X or Y resolution on both monitors add up to 2048 or
less. In this example, the virtual space for the two monitors to be laid
out will allow to monitors to be side by side at a max resolution of
1024x1024 per monitor.
This should be done automatically. Please try to correct this bug so
that this can be done graphically using screen-resolution-utility.
QA Team response deadline: Jul 11, 4:00 UTC
** Affects: gnome-control-center (Ubuntu)
Importance: Undecided
Status: Confirmed
** Affects: xserver-xorg-video-intel (Ubuntu)
Importance: Undecided
Status: Invalid
--
P3: Cannot put monitor into extended mode using screen-resolution-utility
https://bugs.launchpad.net/bugs/247160
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