How to Fix SanDisk Cruzer Flash Disk Is Write Protected, Help

The error message comes up on my PC when I want to use my SanDisk Cruzer flash disk as normal. Then I can't format or edit files on the disk. I want to bring my disk back to healthy. Any suggestions will be appreciated.

Best Answered by

Cici· Answered on Jun 08, 2026

"The Disk Is Write Protected" error shows on the SanDisk Cruzer flash disk when connected to your computer, which means you can neither format nor modify any information. If you want to reuse the device, remove the write protection first. The following solutions can help you remove write protection from the flash drive.

One popular solution for removing write protection is EaseUS Partition Master Free. It has a powerful Write Protection Removal tool, which can remove the write protection of your SanDisk Cruzer flash disk with some easy clicks. Here is how to use EaseUS Partition Master:

Free Download 

Windows 11/10/8/7100% Secure

Step 1. Launch EaseUS Partition Master, and click "Write Protection" from the "Toolkit" section.

Step 2. Select the write-protected SanDisk Cruzer Flash Disk, and click "Disable."

However, consider using the command line if you are familiar with the Command Prompt and won't make a mistake.

Here are the specific steps:

Step 1. Press the "Windows + R" key, type cmd, and run "Command Prompt" as administrator.

Step 2. Type the following CMD and hit "Enter" after each.

  • diskpart
  • list disk
  • select disk #
  • attributes disk clear readonly

Replace # with the number of the write-protected flash disk.

Step 3. Type "exit" to quit the "Command Prompt."

Related Article: The Disk Is Write Protected in Windows 11/10/8/7

 

People Also Ask

How to Fix Pen Drive Showing Write-Protected Error

Are you finding some solutions to fix pen drive showing write-protected error? Do not worry. This article will provide you with a complete tutorial to fix your issue. Now, you can read this article.

Cici

Aug 10, 2025

Is It Possible to Fix Write-Protected Pen Drive Without Losing Data

Have you encountered a situation where the computer shows your pen drive is write-protected? Do not worry. The article will give you a detailed tutorial to help you fix write-protected pen drive without losing data. Now you can read this passage.

Cici

Jul 27, 2025

How to Disable Write Protection From USB Drive, Help

This page will provide a complete guide on how to disable write protection from a USB drive. Reading this article will help you recover the write-protected USBs.

Cici

Jul 07, 2025

How to Burn ISO to Flash Drive Windows 10

If you are looking for a way to create a portable and bootable Windows USB drive, this page can help. Continue reading and learn how to burn ISO to flash drive Windows 10.

Oliver

Nov 02, 2025

How to Resolve: The Disk Is Write Protected

This article is about the solutions to the disk is write protected problem. Follow the easy instructions and help you to fix the disk is write protected problem in two effective ways.

Cici

Jul 07, 2025

How to Remove Write Protection for 3DS SD Card

Have you met a situation in that your computer shows that your 3DS SD card is write-protected? Do not worry; this passage will help you to know how to remove the remove write protection for 3DS SD card.

Cici

Jun 08, 2026