this is the exact kind that i have

http://slimages.macys.com/is/image/MCY/products/5/optimized/340475_fpx.tif?bgc=255,255,255&wid=327&qlt=90,0&la yer=comp&op_sharpen=0&resMode=bicub&op_usm=0.7,1.0 ,0.5,0&fmt=jpeg

how am i supposed to get it to work? do i have to plug something into it?

what i've done is i have the cd inside and i flip the switch to on but it doesnt work..

i dont have anything plugged into it.