Vaio VPCEB17FG E Series - no sound - problems fixed - Ubuntu / Linux Mint
After trying various solutions, I settled on the following one. http://monespaceperso.org/blog-en/2010/05/02/upgrade-alsa-1-0-23-on-ubuntu-lucid-lynx-10-04/ I am currently running Linux Mint 9 and the above worked perfectly for me. Hope this solves your problems...