Howto fix output sound in UBUNTU 9.10 for Compaq CQ35

Compaq CQ35 notebook have problem about the output sound.

To fix it you need to

1. Edit file "alsa-base.conf" in directory "/etc/modprobe.d/" by typing the following line into the Terminal.

sudo gedit /etc/modprobe.d/alsa-base.conf

2. Add the following lines at the bottom of the file.

options snd-hda-intel model=hp-m4 enable=1 index=0

options snd-hda-intel enable_msi=1

3. Save the file and restart.

Thanks to the Indonesian page (writter  “Slacking Ubuntero”) for the solution and google translate for translate it into English.