By Dylan / Last Updated March 6, 2020

Why is a SSD write protected?

Write protection is used for protecting important data and files from being accidentally deleted or modified. Generally, once your SSD or another storage device is write-protected, you are not allowed to delete or move data or files on them. And you may ask, "Why is my SSD write protected?"

  • Your SSD card has a write protection tab, The tab can be turn on or off for enabling or disabling write protection.

  • Your SSD card is corrupted by cyber virus.

  • Your SSD card is set to be write-protected manually.

Write protection brings trouble if you want to delete or change your SSD card, you need to remove it. Here we provide 3 methods to assist you in removing write protection in Windows 10, 8, 7.

How to solve SSD write-protected issue with 3 Methods

If you are troubled in write protection, firstly run anti-virus to check whether your SSD is affected by virus. If your SSD being read-only isn’t related with virus infection, you can check the following 3 ways about how to change SSD from read-only status to normal. You should choose one or more methods according to your specific situation.

Method 1. Remove write protection from SSD using CMD

If your SSD has been set to be read-only in Diskpart accidentally, you can disable it for the SSD using CMD. Here are the steps below.

Step 1. Press "Win+R" to open Run dialogue and type "CMD" press "Enter" to open Diskpart.

Step 2. Type "list disk" and hit Enter to get information of every disk.

Step 3. Type "select disk n" and press "Enter" ("n" is the number of your SSD drive on your computer).

Step 4. Type "attributes disk clear readonly" and hit "Enter".

Open Diskpart

Then you can try to access the SSD to see if the "SSD write-protected" issue is solved.

Method 2. Solve SSD write protected issue via Registry Editor.

Incorrect value number of Windows Registry Key is another reason why a SSD get write-protected. Follow these steps and try to reset the value data on Registry Editor to remove write protection.

Step 1. Press “Win +R” to start Run, and type “regedit” to open Registry Editor.

Step 2. Navigate to the following path on the left window:


Step 3. Double-click the "WriteProtect" and change the Value Data from “1” to “0”.

Registry Editor

Then click “OK” to save. Reconnect your SSD to computer, your SSD should not be write protected any longer.

✍Note: If you can't find the StorageDevicePolicies under Control in step 2.
1. Right-click the “Control” and choose “NewKey” to create a new key, name it with StorageDvicePolicies.
2. Click the new key, and right-click on the blank space, choose “New”> “DWORD (32-bit) value” name it with "WriteProtect".
3. Right-click on Writeprotect, choose “Modify”, change the Value data to "0" in the prompt window.

If this method doesn’t help you out, go to the method 3.

Method 3. Format write-protected SSD with AOMEI Partition Assistant.

If write protected issue is caused by corrupted file system, and all the methods mentioned can’t solve the write protected issue, you can try to format you SSD with disk formatting tool. AOMEI Partition Assistant Standard is a freeware to help you manage your disk.

✍Warning: Formatting will delete all your data on SSD drive. Before this operation, you should backup the SSD.

Step 1. Download AOMEI Partition Assistant, install and open it. Right-click the read only SSD partition and select “Format Partition”.

Format Partition

Step 2. Select a compatible file system on the prompt window, here we select NTFS. And click “OK”.

Partition Label

Step 3. In the main interface, click “Apply”> “Proceed” to execute the formatting operation.



That’s about how to solve SSD write protected issue. The 3 methods can be also applied to removing write protection from USB or other devices, you can choose them according to specific conditions.

In addition, AOMEI Partition Assistant mentioned above is actually a powerful tool to to manage your disk and partition. besides removing write protection, it allows you to resize/move/delete/split/merge partitions and deal with basic partition problems. If you need more advanced features, such as SSD secure erase, wipe SSD with writing random data, you can upgrade to Professional.