ive got a built in sound card on my computer and when i connect the speakers to the computer, the computer doesnt pick it up and sound doesnt come out. The speakers i got worked on my other computer when i just plugged them in to the sound jack with no installiton or whatever but my new computer doesnt pick up the speakers. ive tried "add hardware" put my speakers dont come up on the list. can anyone help me. im willing to try anything. thanks.