1- Go to Start menu > click on RUN and then type regedit to run Windows Registry Editor.
2- Go to following address:
Hkey-current-user\controlpanel\sound3- Create a new STRING value and name it as Beep, give it value of No.
4- Close Windows Registry Editor and restart your computer
Note: incorrectly editing registry entries may cause several damages, please create a back up from your registry entries.















