1. Launch Device Manager.
2. In Device Manager's left panel, open the node that represents the type of device that you want to uninstall and then right-click the device entry.
3. On the shortcut menu, click Uninstall.
4. On the Confirm Device Removal dialog box, click OK to start the uninstall process.
5. When the uninstall process is complete, unplug the device.
Note: Make sure that you download the latest drivers for your Audio card from the Manufacturers’ website before uninstalling the drivers. Alternatively you can install the drivers from the CD that came along with the computer.