<h2 style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;border-style:initial;border-color:initial;font-weight:normal;font-size:2em;font-family:'Helvetica Neue',Arial,Helvetica,sans-serif;vertical-align:baseline;color:rgb(34,34,34);background-color:rgb(255,255,255)">
I have installed ubuntu 10.10 in my vaio vpceg28fn,But the sound is coming simultaneously through my speakers and headset.my sound card is HDA Intel PCH │ Chip: Conexant ID 506e,can you help me?</h2>