Wiring gateway2000 speakers with a sub

[hippieguy68]

Hello,I am trying to hook up gateway 2000 speakers w/ sub to my hp.I did what I thought was right but got no sound .The speakers powered up and there was only 1 lead to the output port on the pc

 

[ksiemb]

Hello,I am trying to hook up gateway 2000 speakers w/ sub to my hp.I did what I thought was right but got no sound .The speakers powered up and there was only 1 lead to the output port on the pc

Device manager: Any error reported for Audio ?

services.msc - Windows Audio service set to automatic ?