I no longer seem to have sound for most of the things which I did have

sound.  I do have the volume control in my system tray and it appears to 
be working properly.  When I set the speaker volume it makes a noise to 
indicate that it has been reset.  I can hear my modem dialing.  However, 
I no longer have any sound with anything that I play in Windows Media 
Player and, if I go to a web site which has a sound file, I can no 
longer hear it.

I'm not sure that I know enough about this to ask for help.  I seldom 
listen to CDs on my computer and I don't download and play or burn music 
to a CD.  I believe that I lost the sound capability when Windows Update 
updated Windows Media Player but I can find nowhere to make any changes 
to Windows Media Player.

Could it be that I'm missing the "codex" or whatever it's called 
necessary to play sounds?

I have WinXP home SR2, Dell Dimension L800r computer, 160 gig HD, 512 
megs ram.

Thanks for any help...

Loy

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