I reformated my p.c and when I put the instalation disc in to install drivers it wouldn't work so I have tried to download sound driver it installs but I still don't get sound and in my p.c when I look up the drivers bit it says there is none many many thanks for any help p.s my model is
Asus k8v-mx many thanks

Do a search online for your specific sound card and install them separately. What is the sound card make and model?