lxrandr: lxrandr (monitor config tool) lxrandr: lxrandr: lxrandr is a very basic monitor config tool utilizing the X extension lxrandr: called RandR. It can let you change the screen resolution on the fly. lxrandr: Besides, when you run lxrandr with external monitor connected, its GUI lxrandr: will change, and show you some quick options to get your projector or lxrandr: external monitor working correctly. lxrandr: lxrandr: lxrandr: lxrandr: