1. Right-click on My Computer
2. On the Hardware tab, click on Device Manager
3. On the "View" menu, select "Show hidden devices"
4. Under "Non-Plug and Play Drivers", right-click "Beep"
5. Click "Disable"
6. Answer Yes when asked if you really want to disable it
7. Answer No when asked if you want to reboot
8. Right-click "Beep" again.
9. Click "Properties"
10. On the "Driver" tab, set the Startup type to Disabled
11. Click Stop
12. Click OK
13. Answer No when asked if you want to reboot