help me get my music Back. WMP error

I caught a bug or something tht caused me 2 re-install
>WIN XP HOME EDITION. Since I did this I can't hear any
>sound from my Speakers. I keep getting a ERR. mess'
>stating tht either I have no Sound card or it is not
>working Properly. Everything worked wonderful B4, Is
>there any1 that can help me get my Music Back????
>.
>Try to install your audio drivers again or start all
over again with the recovery cds that came with your
computer. Good Luck!
..

I don't know how 2 re-install audio drivers.