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 Jul 07, 2025
"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:
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
