How to change the sound scheme.
- Click the Start button, and then click Control Panel.
- In the Control Panel window, under Pick a category, double-click the Sound, Speech and Audio Devices icon.
- In the Sound, Speech and Audio Devices window, under Pick a task, click Change the sound scheme.
- In the Sounds and Audio Devices Properties window, click the Sounds tab.
- On the Sounds tab, in the Sound scheme box, click the down arrow and click to select the desired sound scheme.
- Click OK.