I have a Vaio laptop and the F3F3 buttons doesn't work F3+FnF3 + Fn changes volmune and same with Ctrl+F3+FnCtrl + F3 + Fn there is no FnFn lock button, How do iI open the coordiantescoordinates especially since iI get lost all the time,also. Also, how do iI use display markers on a map?I I tried using maps and searching on the internet.