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Thinkpad T61 - Intel 965 graphics.
Internal LCD and external VGA monitors are detected correctly.
Unable to disable "cloned mode". Settings appear to take affect
(reflected in the UI) but both displays remain showing the same image. I
am able to enable rotation on either screen.
Testing with 'xrandr' directly gives the following hint:
# xrandr --output VGA --right-of LVDS --auto
xrandr: screen cannot be larger than 1680x1680 (desired size 3360x1050)
Adding the following line to my xorg.conf resolves the issue:
SubSection "Display"
Virtual 3360 3360
EndSubSection
This should be autoconfigured (ideally on demand without requiring
restart of X).
** Affects: gnome-control-center (Ubuntu)
Importance: Undecided
Status: New
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gnome-display-properties: dual display does not work by default
https://bugs.launchpad.net/bugs/221116
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Bugs, which is subscribed to gnome-control-center in ubuntu.
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