Can Burn Dvds But Not Cds

im havin problems burning data or audio to cds and the burner just keeps spinnin around and gets really noisy, no error just doesnt even burn anything
but can burn files to dvd no problem.

im using the lite on dvd+rw ldw 401s combo drive.
windows 2000

thanks

Real bad media or a burned out CD laser. Can you read a CD