Guo Jiahua wrote:On a laptop the display is normally controlled by the "function key" on the laptop or "fn" key + F key "that will have a monitor image on the F key".
I have a laptop, with a VGA interface.
I connected a extra display to my laptop, but it shows nothing, the state of it is "NO SIGNAL".
I wander how to config to use the two displaies, one of my laptop, one extra.