Which OS do you have?
Can you post a screenshot of the Device Manager?
If there is a yellow bang, let me know the hardware id.
Try to install this driver:
If you have windows xp with sp3/sp2, try this link:
All the best,
Just to make sure we are clear, your sound does not work right? I mean becasue everythin you have shown us and the stuff you have said you have installed are for the ethernet...
If it is the sound let me know and we can start from scratch, but first we need to knwo what exacly you are talkign about....
I would say if it is the sound have you tried the drivers the previous post suggested?