Fedora 10: No sound! How to make it to default drivers

[stan]

On Wed, 9 Sep 2009 07:16:50 +0530
Jwalant Natvarlal Soneji <jwalant.soneji at gmail.com> wrote:

> Hi all,
> 
> My Fedora 10 sound was working great, until I went to the Realtek
> site and downloaded the new drivers.
> Upon installing them the sound has completely gone.
> 
> Please suggest how to move to the default drivers back.

Why not remove the Realtek drivers if they were the cause of the
problem?  The system should go back to the previous configuration at
that point.

Are they alsa drivers?  Do they replace the alsa driver?  What sound
card do you have?  Why did you install them if the sound was working
great?