Trick to enable or disable usb port of your computer

‪Step0 ‬Goto run.
‪Step1 ‪‬Type 'regedit' without quotes.
‪Step2‪‬Click on HKEY_LOCAL
_MACHINE.
‪Step3‪‬goto SYSTEM.
‪Step4‪‬Click on CurrentControlSet.
‪Step5‪‬Click on services
‪Step6‪‬Goto USBSTOR
‪Step7‪‬Double click on 'Start' where value is 3
‪Step8‪‬Now change the value data with 4
‪Step9‪‬Now press ok and refresh your desktop your USB port is disabled
To enable it again, do this:‪‬
To enable the usb port replace the value 4 with 3.