Sound problem

Ok i got it now; after making sure that i had in the outportal pcm pcm i had to go to video in the out portal and make sure that intead of dvi it has to be hdmi, i think cause cable hdmi handle video and sound, under video got to be setup in hdmi,
Go to settings :video : Press f1 :hdmi/dvi enter hdmi than reboot and make sure sound is up could be on mute.
Thanks everybody for their help!