How To Disable USB Port In Your PC ?

STEP 1

Click on Start menu - Type REGEDIT  in search box and then click Enter .

It will open REGISTRY EDITOR window.

STEP 2

Select HKEY_LOCAL_MACHINE, then select SYSTEM,  then CurrentControlSet , then Services, & at last UBSTOR .

STEP 3

At the right side of window, double click on START . 

STEP 4

A dialogue box will appear . In Value Data box type 4 in place of 3.  Then click Ok and Refresh your desktop .

Now your USB port will not work .

To enable the USB port again , change the number in Value Data to 3 and Refresh your desktop.