How to force a resolution
I followed the instructions on this page but noticed that it didn't really mention how to make the changes permanent.
This works for my Samsung LED Monitor S24D300HL.
root@beaglebone:~# tail -n8 /etc/gdm/Init/Default #x11vnc -q -bg -display :0 -forever -avahi -xkb # Use xrandr! export XAUTHORITY=`ls /var/run/gdm/auth-for-root-*/database` export DISPLAY=:0 xrandr --output HDMI-0 --mode 1680x1050 exit 0