How to Disable USB Ports to Block USB Storage Devices in Windows 7

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USB storage devices are so common these days almost everyone owns USB storage device in shape of small flash drives, external hard disks, mobile phones, cameras, and lots of other portable devices. So if you want to secure your computer from stealing data, viruses or any other risks then simply disable the USB ports for USB storage devices / disk drives. To block the USB storage devices just follow the given steps below.

Note: this method just block the USB drives (Flash drives, External HDD, Mobile Phones, etc.) not the USB mouse, Keyboard, etc.

How to Disable USB ports

Press Windows + R from keyboard, type “regedit” in the “Run” window and hit Enter.

Run windows

Explore the registry editor folders
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\USBSTOR
in the right pane double click to open “Start” DWORD value as shown below.

Registry Editor USBSTOR

Change its value to 4 and click “OK” button to save changes. Close the registry editor and plug in any USB storage device to check.

registory editor change value

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Posted in: Windows 7, Windows Vista on August 7, 2010

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Comments:

  1. USBLockdownHelp 16 August 2010 at 9:46 pm #

    There is a great and elegant Way to Disable USB Ports to Block USB Storage Devices under Windows and Mac. The application is called My Endpoint Protector and it is even free to use.
    Much easier than to edit the registry as descibed here.

    http://www.endpointprotector.com/en/index.php/products/my_endpoint_protector_SaaS

    Reply
  2. nagaraju 1 October 2010 at 6:25 pm #

    i already disable usb port. how again i activate.

    Reply
    • trickYguY 1 October 2010 at 9:55 pm #

      To Activate USB port, change the “Start” DWORD value to 3. See above screen shots in the post.

      Reply
  3. Natasha 1 October 2010 at 11:48 pm #

    thanks I blocked the USB storage devices

    Reply
  4. Levon 2 October 2010 at 2:28 pm #

    Its a nice way to secure system if we disable USB ports, thanks for sharing these useful tips.

    Reply
  5. Echi 19 October 2010 at 1:54 am #

    Nice tip to keep system secure.

    Reply
    • deepakkishore 21 December 2011 at 7:00 pm #

      can you tell me how to disable the port

      Reply
  6. Sahar 30 October 2010 at 12:46 pm #

    very nice tip to secure system from unauthorized access

    Reply
  7. ashif 8 September 2011 at 6:20 pm #

    it’s not working when i change the storage device

    Reply
  8. deepakkishore 21 December 2011 at 6:57 pm #

    how to disable the port

    Reply
  9. Nana parkhe 30 December 2011 at 8:12 pm #

    It does not work properly on windows 7

    Reply

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