Comment 42 for bug 459982

Try this workaround
http://ubuntuforums.org/showthread.php?p=9102538#post9102538

It's also a better place to ask help (launchpad is mainly for reporting
and splatting bugs).

On 05/09/2010 08:14 PM, fracardi wrote:
> Hello Alejandro,
>
> My name is Francesco, I'm a very unexperienced user of Ubuntu, I've just
> intsalled Ubuntu 9.10 Karmic on my Acer Aspriron one 532h and Im
> experiencing the same issue with the microphone using Skype: everything
> works fine when I use headphones, but then without headphones the
> speaker input does not work.
>
> I see that you find a solution, but how may I implement this solution on
> my PC?
>
> Many thanks
>
>