go to your manuf. web site, and choose support, and find your pc, you will then find sound as a downloadable driver.
if in ur computer instaled sound driver but they don't work properly
so u can update driver
via follwing this step
start-Control Panel-Device manager-in bootam sound driver-right click on sound driver and click on update driver
first of all pls connect ur internet connection
after u can do this
it is not a virus you just have to redownload a software update for the sound card to work again
sound driver
sound driver for windows 7
I NEED A SOUND CARD DRIVER FOR SOUND BLASTER LIVE 5.1 mODLE NO 0110
roll back the driver
redownload it
By installing the driver for your sound card.
sound driver and speaker
sound driver give u voice of ur song and any computer voice without intalled sound driver u can't listen voice of ur song and any computer voice
redownload
Most computers come pre-installed with a sound card. This component allows you to listen to any audio coming from your computer or record audio into your system. Each sound card has its own specific driver to make it work successfully on a computer's operating system. Usually, a sound card will come fully equipped with an installation CD that includes the sound card driver. This driver directs the data connections to and from your sound card and the computer's operating system. And you can download a sound driver from the Interenet.Also,below the related link is not a bad choice for you if you need it.
You need to install driver for your sound card.