How to disable USB write protection using Regedit

You plug in a USB drive on your PC/Laptop and try to copy a file onto it. But the file is not copied and you get the below message:

The Disk is write-protected
Remove the write-protection or use another disk.

So what’s this ?

This error message indicates that the write protection for USB is enabled on your PC/Laptop. Until you disable USB write protection, you wouldn’t be able to copy files on the USB drive.

Not to worry, just follow the steps below to disable USB write protection using Regedit.

1) Press Win+R to open Run. Type in “Regedit” and click on Ok. This will open the Registry Editor.

Regedit

2) Once in the registry editor, navigate to:
Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\StorageDevicePolicies

Registry Editor

3) Double click on the string WriteProtect and enter ‘0’ in the Value data field. Changing the value to ‘0′ will disable USB write protection. If you change this to ‘1’, write protection will be enabled again.

Disable USB write protection

4) Reboot your PC/Laptop for the settings to take effect.

Note: If you do not find the StorageDevicePolicies in the above location, then probably the write protection is already disabled from the registry editor or was never enabled. In this case the issue might be probably with the USB drive itself.

You can however add the StorageDevicePolicies to the registry.

Just navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control and select New – Key from the menu.

Regedit1

Name the new key as “StorageDevicePolicies”

Right click – New – DWORD

Regedit3

Enter the name as WriteProtect. This will create the WriteProtect String.

Now you know how to disable USB write protection using Regedit.

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