Tutorial: Toggle Disk Write Protection On Windows 10

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Write protection is a very handy tool when it comes to protecting valuable data which you don’t want anyone to mistakenly delete off your device. In today’s tutorial, I will explain how to enable or disable write protection in Windows 10. We will be accomplishing this using the Windows Command Shell.

What is Write Protection?

Write protection is any mechanism that prevents modification or erasure of valuable data on a device.” – (Source: Wikipedia.)

To put it in simple words, by Write protecting the content, we are basically ensuring that the contents on the disk can’t be erased, even when someone attempts to do so.

How to Write Protect in Windows 10:

Step 1: Fire up the command prompt with elevated privileges, i.e., open it up by right clicking it, and selecting Run As Administrator.

Start cmd
Step 2: In the command prompt window that opens up, type diskpart and press Enter.diskpartStep 3: Enter list disk in the command prompt window. Press Enter.list disk

Step 4: See the disk number under the heading Disk ### for the disk that you want to switch on write protection. In my case, I have only one partition and one disk plugged in, hence it shows only one disk. If you have multiple disks, check the disk number correctly before proceeding as you don’t want to enable write protection for the wrong disk. One way to check if the disk number is correct is by looking at its capacity under the Size heading.

Step 5: Enter select disk followed by the disk number. In my case, I will enter select disk 0 . Similarly if you want to enable it for disk 2, 3, or so on, enter select disk # where # is the disk number.select diskStep 6: Now, type attributes disk set readonly and press enter.imageStep 7: Your disk will now be write protected – i.e., accessible in readonly mode! Congrats!! If you now wish to disable write protection in future, follow all the above steps upto Step 5, and in place of step 6, type attributes disk clear readonly and press enter.

This wraps up the tutorial to toggle write protection on your Windows 10 device.

NOTE: You cannot enable Write Protection on the partition on which Windows is installed.

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Works With: Windows 10
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