Click My Computer with the secondary mouse button, and select Properties from the pop-up menu.

In the System Properties window, select the Hardware tab.

Click the Device Manager button.

Click Sound, then double-click on the driver already listed.

In the Sound Properties window, select the Driver tab.

Click the Update Driver button, the Upgrade Device Driver Wizard will appear, click the Next button.

Select Search for a suitable driver for my device and click Next.

In the following window, select Specify a location, uncheck the other options, and click Next.

Navigate to C:\NECUTILS\INSTALL\SOUND and click OK.

When prompted, check Install one of the other drivers before clicking Next.

Select "YAMAHA DS-XG Audio Driver (WDM)" and click Next.

Click Finish at the next window.

Close the Sound properties window by clicking Close.

Restart your computer.