Why Is My USB Write Protected and What to Do?

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Cici· Answered on Apr 01, 2025

It is said that the USB is write-protected without reason, which bothers computer users a lot. In this article, we will go deep into why write protection happens and how to remove it.

Why Is My USB Write-Protected?

First, there are the most common reasons that might lead to write protection: 

• Viruses or malware attacks. These will disorder the OS and trigger the write protection.
• Limited writable times of the USB. Its flash memory will become read-only when it reaches a certain number.
• Physical damage. The worst situation, the USB is dead, and the data is corrupted and cannot be viewed.
• Incorrect file format. Some files in the USB are not compatible with the computer.

What to Do?

Here is a list of recommended write protection removal solutions for you to try, and we will pick one that is most popular to explain in detail:

• Fix 1. Unlock the physical switch
• Fix 2. Use EaseUS Partition Master
• Fix 3. Run the Dispart command
• Fix 4. Change the value by Registry Editor
• Fix 5. Remove with Anti-Virus Software
• Fix 6. Repair Bad Sectors and File System Errors

Fix 1 is the first way that should come into your mind, ensure the toggle switch is locked, or your USB will become write-protected. One of the most popular solutions, EaseUS Partition Master Free, can directly support removing the write protection with simple clicks. Its Write Protection Removal tool is well known for safety and efficiency, which can change read-only into writable without losing the data.

Here is the detailed guide:

If you want to know the specific steps of other fixes, click this link to find more information:

Read More: 6 Ways to Remove Write Protection