Logitech X-540 Computer Speakers "back pc colors blue pink" Questions

back of my PC go as orange black then gray, the bottom row is pink green and blue. so i plug the wires into the according colored pluges and theres 1 speaker, i believe the back right one or something

...back of the PC, you will find a plate with three Small sockets, pink for mic, blue for speakers and black for line out. Do not go by these colors strictly as they could be different depending on the ...

...PC and when I hooked up my speakers it didnt work so I tried putting the plug in the other holes at the back of it and it still won't work. What should I do? hello, check the volume. also the jacks ...