Enable or Disable USB Drives or ports in Windows PC | Laptop
Enable, Disable USB Drives & Mass Storage Devices using Registry
1. Go to Start -- Run, type “regedit” and press enter to open the registry editor
2. Navigate to the following key
3. HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\USBSTOR
In the right pane, select Start and change the value to 3. (The value 4 will disable USB Storage). Click OK. This will re-enable USB Ports and allow you to use USB or Pen drives.