I have an external LG ultrawide monitor (21:9 ratio) connected through HDMI on
my laptop with integrated Intel graphics. I adapted a script from this thread
to support for 2560x1080 (60Hz) resolution:
http://askubuntu.com/questions/727753/how-do-i-configure-ubuntu-for-a-219-screen
It would be useful if the resolution was automatically supported. It
works perfectly in Debian Jessie (Gnome).
--------------------------
#!/bin/bash
# Setup external monitor resolution at 2560x1080 (60Hz), if connected
RESOLUTION="2560 1080 60"
OUTPUT="HDMI-1"
CONNECTED=$(xrandr --current | grep -i $OUTPUT | cut -f2 -d' ')
if [ "$CONNECTED" = "connected" ]; then
MODELINE=$(cvt $RESOLUTION | cut -f2 -d$'\n')
MODEDATA=$(echo $MODELINE | cut -f 3- -d' ')
MODENAME=$(echo $MODELINE | cut -f2 -d' ')
echo "Adding mode - " $MODENAME $MODEDATA
xrandr --newmode $MODENAME $MODEDATA
xrandr --addmode $OUTPUT $MODENAME
xrandr --output $OUTPUT --mode $MODENAME
else
echo "Monitor is not detected"
fi
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https://bugs.launchpad.net/bugs/1357804
Title:
Ubuntu 14.04 does not support 2560x1080 resolution.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/xrandr/+bug/1357804/+subscriptions
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