your post is a bit hard to understand but still i think your are trying to say your sound card is not working and you don't know what it is correct ?
download everest from this link.
http://www.majorgeeks.com/download4181.html
run that little program.
with the program open and running look in the left hand list for multimedia. click the little plus next to it and then click pci/pnp audio.
in the big box it may give you the make and model of your sound card if it does please post that information back here and we will try and find you a driver.
don't forget to tell us what version of windows you are running.