The nvidia settings GUI is quite broken with regards to twinview. I
solved this problem by disabling "nvidia-auto-select," manually setting
the resolution in my xorg.conf file (after backing up the file, of
course), and restarting X.
Section "Screen"
Identifier "Screen0"
Device "Device0"
Monitor "Monitor0"
DefaultDepth 24
Option "TwinView" "1"
Option "TwinViewXineramaInfoOrder" "DFP-0"
# [BROKEN ENTRY] Option "metamodes" "CRT: 1360x768 +1440+0,
DFP: nvidia-auto-select +0+0; CRT: NULL, DFP: nvidia-auto-select +0+0"
# NEW ENTRY FOLLOWS:
Option "metamodes" "CRT: 1440x900 +1440+0, DFP: 1440x900 +0+0;
CRT: NULL, DFP: nvidia-auto-select +0+0"
SubSection "Display"
Depth 24
EndSubSection
EndSection
This probably isn't elegant and I may not have the line exactly right,
but it works.
RichTL
--
External display - 1440x900 resolution not detected
https://bugs.launchpad.net/bugs/293209
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