To disable or change the sound effect of an event, please follow the steps below:
1. Start Control Panel.
2. Click Sounds, Speech, and Audio Devices and click Sounds and Audio Devices.
3. Click the Sound tab and click to select an event in Program events.
4. To disable the sound effect of the event, from Sounds, click None.
To change the sound effect, select other available audio for the event.
5. Click OK to save the changes.