Enable Or Disable USB Port Of Laptop and PC

How to Enable and Disable the USB PORT for Laptop and PC

                             NO Harm in Trying

1.Press window+R key to open Run and type regedit and click on OK button. Promts will appears click Yes.

2.Registry editor appears click on Hkey_Local_Machine.

3.Find folder SYSTEM under it click to open that folder.

4.Under system find CurrentControlSet click to open under it find folder SERVICES click to open.

5.Under Services find USBPORT click that folder.

7.Under it find START click to open and change value from 3 to 4 . All usb port will get disable.To enable it again set value to 3.