mplayer + sound problem

[Lowell Gilbert]

please. top-post, Don't

Bryan Cassidy <b_cassidy at bellsouth.net> writes:

> I had a big problem yesterday with the PC. Don't want to get into that
> but I had to reinstall.. Now that I did a reinstall I can play the video
> in mplayer but no sound. For example I am tryin to play the new
> IBM/Linux commercial located here
> 
> http://rxns-rbn-sea02.rbn.com/ibmpdc/pdc/open/qtdemand/aug03/prodigy90_med.mpg
> 
> The vid plays fine but no sound at all this time..

Do you have sound functionality at all? 
Did you remember to load it into your kernel (either in the kernel
itself or by loading the kernel module)?
Can you do a simple audio test from the command line?