How to Enable or Disable USB Ports in Windows XP / 7 / 8

Why you need to Disable USB ports?

  • To avoid misuse/steal of your data from external people.
    • If USB port is enabled, anyone can easily steal your data from your computer.
  • To escape your computer from virus infection.
    • If someone has plugged virus infected pen drive or hard drive unknowingly, your computer will be virus infected.

How to Enable or Disable USB Ports?

Enabling/Disabling USB ports is very simple task and can be done in just few minutes. Lets take a look how you can enable or disable USB ports.


Enable or Disable USB Ports using Registry.

  • Go to Start > Run , type regedit and press enter to open the registry editor.
  • Navigate to the following key


In the right pane, select Start and change the value to 4 and click OK to disable USB storage.

If you want to re-enable USB storage change Start value to 3 and click OK.

Enable Disable USB Drive

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