You will have to replace the sound card (if it is embedded
you can install a sound card in a slot, be aware that if an embedded device
fails the motherboard will fail in a short period of time, see page 78 of theSelf Computer Repair Unleashed! Manualfor motherboard replacement).
This site contains a lot of information. As
with any publication not all information is available due to space, time, or
subject constraints.
If you have a question that you did not find the answer
on this web site you a can
ask your question here and we will endeavor to get you the most up to date
answer possible!