lxrandr: lxrandr - A monitor config tool
lxrandr: 
lxrandr: This is a very basic monitor config tool utilizing X RandR extension.
lxrandr: It's a GUI frontend of the command line program xrandr. LXRandR can
lxrandr: let you change the screen resolution on the fly. Besides, when you run
lxrandr: lxrandr with external monitor connected, its GUI will change, and show
lxrandr: you some quick options to get your projector working correctly.
lxrandr: 
lxrandr: 
lxrandr: 
lxrandr: