HI
I have got the same problem

I was jsut on my computer listening to music then i moved the table which my computer was on and they cable for the sound ( which is also my telly) and i dont no what one to put it on my computer could anyone possibly help i know that my headphones work in the front

but nothing works when i try it in the back and I have got the right cable because it has worked before and the right connector on the back of my telly so could anyone help (WHICH ONE TO I PUT IT IN AND WHAT IS THE RIGHT DEVICE DO I PUT IT AS)