方法1
To disable the PC Speaker beep temporarily from the command line type the following
net stop beep
To disable the PC Speaker beep for good run the following command
sc config beep start= disabled
if you want to disable beeps to go away even after a reboot, run the following commands
net stop beep
sc config beep start= disabled.
The space between start= and disabled is required.
方法2
From Remote Machine
If you want to disable beeping sounds from remote machine run the following commands
sc \remoteMachine stop beep
sc \remoteMachine config beep start= disabled
方法3
For windows XP/2000/2003 Users
Right click on My computer->properties->Hardware->DeviceManager->View -> Show Hidden Devices -> Non Plug and Play-> Beep -> Right click and select Disable
Now you need to reboot your system
