Starting the audio system

Ubuntu 8.04.1 (Hardy Heron)

Right after installation the notebook was silent: the audio system didn't work at all. The first thing I did was understanding what audio card was in it. I got the answer by running 'lspci', it said:

Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 03)

After some search in the Ubuntu forum I found a post explaining how to solve the problem ( It's been very simple, I just added the line

options snd-hda-intel model=lenovo

at the end of file /etc/modprobe.d/alsa-base, rebooted and got it working.

Ubuntu 8.10 (Intrepid)

I couldn't here audio in youtube videos. I solved the problem using this howto: