Nitin, Send us the outputs of $ lspci $ lsmod | grep snd $ cat /proc/interrupts MarvS On 9/13/07, Nitin Niroula <ninit@xxxxxxxxxx> wrote: > I did as you said but still there was no sound when I opened the sample > media files. I disabled mute and turned on but still I couldn't hear > sound. I haven't installed any sound drivers in ubuntu. In windows XP I > can hear sound. What driver do I have to install or is it installed by > default? Waiting for your reply. > >