New answers tagged xrandr
You should probably simply use kscreen instead, which should solve all your issues. It will remember the settings of a previously connected screen and will restore them, once you connect it again. If you still have such issues while still using kscreen, it should be worth a bug report. As Kubuntu 12.04 is quite old, you probably should have a look at this. ...
Have you checked that it can use 1920x1080? That's a different aspect ratio than 1600x900; my (widescreen) monitor will do the former but not the later. You can check this via xrandr with no arguments, e.g.: HDMI3 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 509mm x 286mm 1920x1080 60.0*+ 50.0 59.9 1920x1080i ...
Setting the resolution is what the xrandr source does if you specify the --same-as relation: case relation_same_as: output->x = relation->x; output->y = relation->y; have you tried: xrandr --output HDMI1 --mode 1920x1080 --output LSVD1 --mode 1600x900 --same-as HDMI1 ?
You can explicitly set which screen is to the left of which with xrandr: xrandr --output DVI-I-1 --auto --primary --output DVI-I-2 --auto --left-of DVI-I-1 From man xrandr: --left-of, --right-of, --above, --below, --same-as another-output Use one of these options to position the output relative to the position of another ...
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