Public bug reported:
I have a Compaq Evo Notebook N610c hooked up to a docking station that
I'd like to use dual-head on, but I'm only able to do dual-head in a
clone mode since xrandr commands aren't working.
I've tried using xrandr to disable one of the monitors and then reenable
it at the new location with these commands:
xrandr --output DVI-0 --off
xrandr --output DVI-0 --right-of VGA-0 --mode 1280x1024
However, xrandr doesn't seem to do anything except display this error
when I run it (even with -q):
xrandr: Output LVDS is not disconnected but has no modes
Here's what my xorg.conf file looks like:
Section "Files"
EndSection
Section "Module"
EndSection
Section "Device"
Identifier "ATI Technologies Inc Radeon Mobility M7 LW [Radeon
Mobility 7500]"
Driver "ati"
Busid "PCI:1:0:0"
Option "monitor-DVI-0" "HP LP2065"
Option "monitor-VGA-0" "HP 1825"
Option "monitor-LVDS" "Built-in display"
EndSection
Section "Monitor"
Identifier "HP 1825"
Option "DPMS"
HorizSync 30-82
VertRefresh 56-76
EndSection
Section "Monitor"
Identifier "HP LP2065"
Option "DPMS"
HorizSync 30-92
VertRefresh 48-85
EndSection
Section "Monitor"
Identifier "Built-in display"
Option "DPMS"
HorizSync 60-76
VertRefresh 50-65
EndSection
Section "Screen"
Identifier "Default Screen"
Device "ATI Technologies Inc Radeon Mobility M7 LW [Radeon
Mobility 7500]"
Monitor "HP LP2065"
Defaultdepth 24
SubSection "Display"
Depth 24
Modes "1280x1024"
Virtual 2560 1024
EndSubSection
EndSection
Section "ServerLayout"
Identifier "Default Layout"
Screen "Default Screen"
EndSection
I've tried adding 'Option "Ignore" "True"' to the Built-in display monitor
section, but then X refuses to start at all.
Let me know if there's anything else you want to know about this system.
$ uname -a
Linux jjm610c 2.6.24-4-generic #1 SMP Mon Jan 14 17:30:39 UTC 2008 i686
GNU/Linux
$ dpkg -s xserver-xorg-video-ati |grep Version
Version: 1:6.7.197-1ubuntu1
** Affects: xserver-xorg-video-ati (Ubuntu)
Importance: Undecided
Status: New
--
Unable to use xrandr for dual-head in hardy
https://bugs.launchpad.net/bugs/183873
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