No sound after, uncomplete?, upgrade

[Colin Law]

On 16 October 2011 02:29, Juan <molaxp at aol.com> wrote:
> Hello again.
>
> After a failed attempt to upgrade my system to 11.10 yesterday the PC has no
> sound. This time no sound hardware is found.
>
> The upgrade failed because someone had the great idea of putting a license
> agreement into a window with no way to set focus to it while the upgrade GUI
> with terminal enabled was in.

In a terminal try
sudo dpkg --configure -a
then
sudo apt-get update
sudo apt-get dist-upgrade

Colin