Quote Originally Posted by atreides8081 View Post
Try:

Code:
sudo add-apt-repository ppa:ubuntu-audio-dev/ppa
sudo apt-get update
sudo apt-get install linux-alsa-driver-modules-$(uname -r)
and reboot.

(it worked for me on a sony vaio.)
This tip was a life saver! After struggling for 2 days the above solution worked me . Thanks.