wongfeihung

My computer just got a new hard drive because the old on stopped working and everything has been fine but, my speakers arent working. I am positive that everything is plugged in correctly yet no sound. On my computer there are multiple spots to plug in the wire for speakers and on all of them except one I get nothing. On the last one I get sound like its coming from a radio station that I cant quite tune into. Any ideas would be welcome here.