How to Stop Beep Sound when using DOS Application

-Right-click on My Computer
-On the Hardware tab, click on [Device Manager]
-On the "View" menu, select "Show hidden devices"
-Under "Non-Plug and Play Drivers", right-click "Beep"
-Click "Disable"
-Answer [Yes] when asked if you really want to disable it
-Answer [No] when asked if you want to reboot
-Right-click "Beep" again.
-Click "Properties"
-On the "Driver" tab, set the Startup type to Disabled
-Click [Stop]
-Click [OK]
-Answer [No] when asked if you want to reboot


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