need some help

[tailshe]

hi
so i have the new 2.1 sistem and it works very well,just one problem when i am playing giga pocket(tv on the computer)there is no sound.
how to fix this?
and one more so i have 2.1 can i get 2or more speakers and make lets say 5.1?
and it got 2 inputs too,for what is that?
my system is SRS - 02100
thanks

 

[talldude123]

the 2 jacks on the computer are for headphone/speaker input, line-in, and Microphone. YOu cant plug in extra speakers.