Asus driver download
or Direct download

(BOTH ARE FOR AUDIO)

Erm, what TYPE of OS? Window XP?
try update using device manager. Find usb adapter network or pci network with driver to make your pc to get connection with internet and update using device manager.

Here link for using device manager
I'm don't like using it, because it need more time, however, it 90% will give you accurately driver and automatically install. If it doesn't support, it will tell you. Try and try search again. Sometimes, we face internet issues where that related to cable problem (cable problem because of earthquake,exmp). Hope you can try it. I was try to find it, but don't see it. Just find the similar with this driver, but with wrong model. If you are expert, you can try install and uninstall driver.To find the best driver support for your hardware. There are many old hardware driver was not exist, however they fix it with new driver with bundle that hardware. Try it. i'm also have try install with different version hardware and model( new model driver) I get and install. mostly work.

You can download the device drivers from ASUS WEB site.Select your model motherboard/computer/laptop, and make sure you select driversthat matches your Windows operating system. Please click on this link to theirWEB support site : - http://support.asus.com/download/download.aspx?SLanguage=en-us