No sound out of speakers

[imported_Krypto]

Hi, I need some help getting these speakers to work with my Uniwill N258SA5 and I can't seem to get the speakers to produce any sound. I've tried everything I could think of. Here is a link to the specs of my lappy:

http://uniwill.com/products/other/n258sa0/N258SA0.html

I need some help. Anyone?