I have an asus motherboard with an onboard soundcard, and for some reason all the drivers have gone wrong or lost as the computer doesn't reconginise the device any more? Can any one help?

Reload the drivers.

i have an asus motherboard with an onboard soundcard, and for some reason all the drivers have gone wrong or lost as the computer doesn't reconginise the device any more?? can any one help??
Very Strange and Unexplained question