Did you just borrow a projector from a colleague, check one out from your A/V group, or perhaps find yourself using an unfamiliar projector at a trade show? If so, you may take a look at all the cables in the projector case and wonder what is what.

So many cables and no idea which one to choose . . . What goes where? . . . Does it really matter? . . . This brief reference should help take the mystery out of all those projector cables.

Power Cord
Provide power to the projector.

Video Cable
Send the computer video graphics to the projector.

PS/2/Mac Mouse Cable
Allows you to use the projector remote control as a mouse.

Audio Cable
Allows you to send sound from your laptop to your projector. This cable looks just like a singular AV cable, shown below.

Audio/Video (AV) Cable
Sends the composite video source to your projector.