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How to Make USB Flash Drive Write Protected

March 10, 2013 By: Jono Category: Windows 7

how to make usb flash drive write protected

An administration may want to make a flash drive write protected in order to make them read only. This can be very useful in some situations, but also sometimes harmed. Therefore, these settings can be customized to your needs.

Some situations that may be advantageous when we turn on the USB flash drive write protected, it can prevent users from copying data locally to an external device such as a flash drive, and it can also prevent the spread of malicious software from a flash drive into the computer system.

The Windows operating system provides a registry system that frees us to restrict the use of USB flash drive. By using it, we can set the permissions of the flash drive is able to read only or to both (read and write) to the computer system. It is like a switch, you can customize as you wish.

How to make a USB flash drive write protected

  1. Start by opening the run dialog box [Windows R]. Type regedit and press Enter. You will go to the Windows Registry editor.
  2. Navigate to the following registry key:
    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\
  3. Look at this area, if the sub-key named StorageDevicePolicies already registered. If not, create a new key by right clicking on the ‘Control’ and choose New > Key. Then put the new key with the name StorageDevicePolicies.
    write protected flash drive
  4. Look at this area, if there is an entry named WriteProtect in the sub-key StorageDevicePolicies. If no, you can easily present it by right clicking on StorageDevicePolicies and select New > DWORD (32-bit) Value. Then put the entry with the name WriteProtect.
    usb flash drive write protected
  5. Double click the entry, and these are the values ​​that allow for this entry:
    • 0 – This will allow the write processes on USB Flash Drives.
    • 1 – This will block the write processes on USB Flash Drives.

    flash drive write protected

  6. A restart is required before the changes take effect.

By applying the settings to the flash drive write protected read-only mode, it means you are including securing your computer systems of several possible attacks from the flash drive to your computer. Please use this setting according to your daily needs.

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