1) Check your speakers or headphones

2) I don't know how you can check to see if a driver is not corrupted. Uninstall the old driver and install the latest one found on the manufacturer's website for your model. Even if the numbers match...uninstall/install.

3) check the sound properties from control panel and make sure that a sound theme is picked. If the choice is left blank then there can be no sound options. Simplest choice is to choose windows default then check the sound by highlighting a sound code and see if it plays when you press the arrow button.

start>control panel > sounds and audio > audio tab