How to enable or disable usb port

When you do so, the USB storage device does not work when the user connects the device to the computer. To set the Start value, follow these

1. Run Regedit in run

2. HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\UsbStor

3. In the right pane, double-click Start.
4. In the Value data box, type 4, click Hexadecimal (if it is not already
    selected), and then click OK.
5. Quit Registry Editor.

and

6. In the Value data box, type 3 for enable usb port, click Hexadecimal (if it is not already
    selected), and then click OK.



OR

you can Download registry file form here to enable and disable.

Download Here