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4 Ways to Fix the Disk Is Write Protected USB Error

Nowadays, several people use USB flash drives, pen drives, SD cards, & other external hard drives to save the backup of their essential files. Whenever they need these files, they can easily transfer them from USB drive to PC. Even they can carry such data storage devices with them anywhere.  

But recently some users have reported that, they are getting stuck with “The disk is write protected” error while copying the files to their USB drive or when trying to format the device.

If you are also experiencing the same error then don’t worry and read this troubleshooting guide till the end. Here, I have shared 4 technical solutions on how to fix the disk is write protected USB error.

So, let’s move ahead:

How To Fix the Disk Is Write Protected USB Error?

In this part, you will get 4 tested & tried ways to fix “this disk is write protected USB” error. So, without wasting your time, let’s try out the given solutions.

Solution #1: Toggle off the Physical Switch to Remove Write Protection

Some USB flash drives have physical switch in their body which put them into the Write Protection mode.

If your USB or pen drive switch is previously locked or write protected then you can neither transfer your data nor format your device. You couldn’t make any kind of changes in it. 

So, here you need to make sure that the physical switch of your USB drive is turned off.

Here’s how to turn off the write-protected USB:

  • Firstly, you need to find a physical switch in your USB drive.
  • Then, push a switch to the unlock position.
Toshiba USB Flash Drive Write Protected Format It Now! - EaseUS

That’s it! Now you can simply connect your USB to a PC & re-access or format your device again.

Solution #2: Use CMD to Remove Write Protection 

If you are using the Windows 7/8/10 & 11 then you might be familiar with the DiskPart Command Prompt Utility. This is an in-built disk partition tool of Windows 7/8/10 & 11.

You can also use command prompt utility to fix write-protected error on USB drive

Please run a CMD as an administrator & type diskpart command > hit Enter in order to run a diskpart. Using this tool, one can modify a value related to the USB flash drive or SD card. After that, type below given commands one after another:

list disk (all the disks of your PC will be listed)

select disk n (n refers to a number of your USB drive/SD card)

attributes disk clear readonly (this command will disable the write protection)

How to Remove Write Protection on Windows 10, 8, and 7

After performing the above steps, attempt to copy the files again. Hope, the write protected error of USB drive should be fixed.

Solution #3: Check for Viruses to Fix Write Protected USB Drive 

Before plugging your USB drive, Pen drive, SD card in your computer; firstly you should scan it for viruses by running an anti-virus program, especially when you are using a public PC.

This is because, a virus infected PC fills your USB drive with unnecessary files that can make your pen drive responding with a Write Protected error.

One of the best ways to remove the write protected error is – run any professional antivirus software to remove a virus or malware from your PC.

These are some of the most recommended anti-virus program that you can help you to kill the viruses from your computer. 

  • Avast Antivirus
  • BitDefender
  • McAfee
  • Norton AntiVirus

You can download and install any of the virus cleaners then connect your problematic device with your PC. Now, run & let the anti-virus program to automatically scan for viruses and remove the write-protection error from your pen drive.

Solution #4: Make Sure Your USB Drive Isn’t Full

Sometimes, the data storage devices like – USB drive, SD card or other removable disk gets full with files & folders that could lead to USB write protection error on your device.

So, here you need to make sure that your USB drive is not running out of space. Follow the below given steps to free up your device storage:

  • Double click on My Computer/This PC to open the Windows Explorer
  • From here, you need to find your USB flash drive then make a right click in it.
  • Now, choose Properties then you will see a pie chart that will show you the Used space & Free space of your drive.
How To Remove Write Protection From USB or SD Card

If you find there is enough storage space in your disk still showing “this disk is write protected USB” error then it may happen that the file you’re trying to copy in your pen drive is too large.

Time to Conclude

As you can see, this article is all about how to fix the disk is write protected USB error. Therefore, if you are receiving the write protection error after inserting your USB or pen drive in your PC, don’t panic! 

In this article, I have provided some of the proven ways to remove write protection from USB drive. All you need to do is, keep on trying the given methods one by one until your problem is solved.

If you find this article helpful: do share it with your friend and colleagues.

Thanks for reading!

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