It’s easily possible to simply disable USB Ports support in PC BIOS in order to prevent and forbid computer user from using USB removable flash drive or mass storage device (portable hard disk drive) to copy and transfer data and files. However, disabling USB ports totally also shutdown the ability for system to use USB based keyboard, mouse, webcam, printer, scanner and etc, which has become a common connectivity norm in modern computer.
As a workaround, use the following registry hack to stop USB Mass Storage drivers from starting when the system boots up.
- Press WIN + R
- Write regedit in it.
- This will open Registry Editor.
- Navigate to the following registry key:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\UsbStor
- In the right pane, double click on the Start value name.
- Change the value data to 4 to disable the removable USB Drive access.
- To revert and re-enable the drive access for removable USB driver, change back the value data for Start to its original default of 3.
The change will take effect immediately to block any USB mass storage device such as USB Drive and portable harddisk from been used in the system, while still allowing hardware components to work properly via USB connection. The hack works in most Windows operating system such as Windows Vista, XP, Windows Server 2008, 2003 and 2000.
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