This policy setting allows you to turn off "Found New Hardware" balloons during device installation.If you enable this policy setting "Found New Hardware" balloons do not appear while a device is being installed.If you disable or do not configure this policy setting "Found New Hardware" balloons appear while a device is being installed unless the driver for the device suppresses the balloons.
Policy path:
System\Device Installation 
Scope:
Machine 
Supported on:
At least Windows Vista 
Registry settings:
HKLM\Software\Policies\Microsoft\Windows\DeviceInstall\Settings!DisableBalloonTips 
Filename:
DeviceSetup.admx 
