problem getting sound effect

[rocker23]

hi...
i had 5.1 channel zebronics speaker which is connected to pc .in speaker it is in auxilarry mode and in pc it is connected through jack pin.i am not getting effect of 5.1 channel so what should i have to do? i am using windows 7 and had mother board of asrock

 

[soundguruman]

You need to open up the audio software, and set the configuration to 5.1 probably.