Try in this order:
1) Original cds that came with your pc
2) cds that came with your sound card if bought seperately
3) If you don't know what sound card you have, download a program called si-software sandra professional, install it and find out.
4) Once you know what card you have, go to
www.driverguide.com , register for free, log in and search for the drivers there.
...easy
