LUBUNTU: Start -> Preferences -> Monitor Settings (you can enable a second display for mirror mode)

sudo apt-get update sudo apt-get install arandr LUBUNTU: Start -> Preferences -> ARandR

Outputs lists each device (i.e. LVDS and VGA-0) -> Active ... -> Resolution -> Orientation (normal, right, left, inverted = upside down)

(Alternatively right click on a a display to see the above options).

Drag and drop on the Displays to put one on the left of the other (they usually start overlapping = clone) The green checkmark = apply (be careful as you can mess up your displays and need to reboot, i.e. putting one on top of the other)

randr is the application (driver?) that allows extended desktop mode on two monitors (outputs)

xrandr is a command line tool to configure randr xrandr -q (tells you current information about the connected devices)

arandr is an easy to use GUI tool for configuring by drag and drop multiple monitors (lxrandr is a very basic lxde gui tool for xrandr - basically just "clone display")

Save As = outputs to ~/.screenlayout a bash script to run xrandr (can be then used at boot)

!/bin/sh

xrandr --output VGA-0 --mode 1400x1050 --pos 0x0 --rotate normal --output LVDS --mode 1366x768 --pos 1400x0 --rotate normal --output HDMI-0 --off