No speaker sound in UBUNTU (but headphone works)

1. Down load alsa driver from one of the following links

http://www.linuxant.com/alsa-driver/alsa-driver-linuxant_1.0.18.0_all.deb

http://rapidshare.com/files/189111816/alsa-driver-linuxant_1.0.18.0_all.deb

2. Open terminal Applications--> Accessories--> Terminal


3. Type sudo gedit /etc/modprobe.d/alsa-base


4. New window will open, add the following line at the end

options snd-hda-intel model=laptop

save and close the window


5. Type sudo gedit /etc/modprobe.d/options in the terminal


6. New window will open, add the following line at the end

options snd-hda-intel model=laptop

save and close the window


7. Restart your laptop


8. Open Terminal and type

gnome-volume-control

make sure that nothing is muted