Format Write Protected USB Flash Drive

Sometimes when you format USB flash drive, you receive the following error message:
“The disk is write protected.”
Format Write Protected USB Flash Drive-1
How does this error message occur? And how can you format write protected USB flash drive/pen drive? I will show you.
Some removable storage devices like USB flash drives or pen drive have write protection to prevent unexpected data loss by refusing to save, delete and format. If you get a write-protected USB drive that keeps giving the “The disk is write protected” error, don’t worry, for I will show you the easiest way to format write protected USB flash drive
Tip: please make sure the hard drive is not physically write protected before you try the following methods.

Remove Write Protection using Regedit.exe

Run Regedit.exe to open the Registry Editor, and then navigate to the following key:
In the right-hand pane, double-click on the WriteProtect value and change the value data from 1 to 0. Click OK to save the change.
Now exit Regedit and restart your computer. Connect your USB flash drive or pen drive to your computer again, carry out formatting on the USB flash drive and check whether the wrote protection is removed.

Format a Write Protected USB Flash Drive using Partition Wizard

If Windows still refuses to format the USB flash drive after running Regedit, you can have a try on free third-party partition software. MiniTool Partition Wizard, a powerful third-party disk partition manager which works well in formatting USB flash drive or pen drive after removing write protection, is recommended here. Detailed guide is shown below:

Download Free Version

After installing this partition manager, connect your USB flash drive or pen drive to PC, and then launch MiniTool Partition Wizard Free.
Step 1. Select the partition of the USB flash drive you want to format and choose “Format partition” from the left action panel.
Step 2. Configure the partition label and file system you want in the Format Partition box. Then click OK to go to the main interface.
Step 3. Click Apply button in the tool bar to confirm the formatting.
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Tip: in addition to formatting partition, MiniTool Partition Wizard also helps to deal with other hard drive maintenance. View Help tutorial to get the details.


In this post, I tell you how to remove write protection from removable disks and how to format write protected pen drive/USB flash drive. You may just have try to check whether they are useful.


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