Solve PNY Micro SD Card Write Protected Issue with Four Effective Ways

July 27, 2018

Prompted by the disk is write protected when you try to format PNY micro SD card or copy files on it? Read this paper to learn how to remove write protection from PNY micro SD card.

My PNY micro SD card is write protected

“I have a 32GB PNY micro SD card and I want to format it to NTFS file system. But I was prompted that the disk is write-protected and it was unable to be formatted. Is there any problem with my PNY SD card? Why it became write-protected? How can I remove write protection from the PNY micro SD card to change it to normal status? Any advice will be appreciated!”

What causes the PNY micro SD card write protected?

PNY micro SD card being read-only can happen due to many reasons and the main elements are listed below:

  • Your PNY micro SD card is attacked by hacker or infected with virus.

  • The Write Protection switch on the PNY micro SD card (reader) is in locked position.

  • The PNY micro SD card is set as read-only mode manually.

  • The file system of the partition on the PNY micro SD card is corrupted.

How to solve PNY micro SD card write protected problem?

Based on the reasons of PNY SD card becoming write-protected, you can check whether the Write Protection tab is located on unlock position at beginning. If the tab is on unlock position but your PNY micro SD card (reader) still in read-only status, you can take advanced solutions present in the following text.

Trick 1. Clear read only for PNY micro SD card via Diskpart

It is wise to apply this way when your PNY SD card has been set as read-only manually in Diskpart. Here are detailed steps:

1. In the Search box, type “diskpart” and choose “Run as administrator” among listed results.

2. In the Diskpart interface, run the commands below:

  • list disk

  • select disk n, where “n” is the disk number of the PNY micro SD card

  • attributes disk clear readonly

Clear Read only for PNY Micro SD Card

3. Then, the PNY SD card’s read only attribute has been disabled. Close this window and you can try to format the PNY SD card or copy files to it.

Trick 2. Modify Windows Registry Key properly

If your PNY SD card is still in read only status, you can open Windows Registry Editor to adjust WirteProtect key as following steps:

1. Press “Windows” + “R” simultaneously, input “regedit” and hit “Enter”.

2. In the pop-up Registry Editor window, go to the following path:


3. Double click WirteProtect and set Value data to 0. Then, click “OK” button.

Change Value Data

4. Exit from the Registry Editor and you can write to your PNY micro SD card.

Trick 3. Adjust Windows local group policy

PNY SD card being write-protected can occur when access to it is restricted via Windows local group policy. At this time, follow the steps below:

1. In the Search box, type “gpedit.msc” and hit “Enter” key.

2. In the Windows local group policy editor window, navigate to Computer Configuration >Administrative Template > System > Removable Storage Access.

3. Disable “Removable Disks: Deny execute access”, “Removable Disks: Deny read access” and “Removable Disks: Deny write access”.

Disable Deny Execute Access

Trick 4. Backup data on the PNY SD card and format it

When the PNY SD card in read-only status out of corrupted file system, it is a wise time to remove write protection via formatting. As this operation will delete all data on PNY micro SD card, you’d better backup it before formatting.

To format write-protected PNY micro SD card, you can try AOMEI Partition Assistant, which can help you to format PNY SD card to NTFS, exFAT, FAT32, Ext2, Ext3 and Ext4. It is suitable for Windows 10/8/7, XP and vista. See how it works:

1. Download, install and fire up AOMEI Partition Assistant. Right click the partition on the PNY SD card and choose “Format Partition”.

Format Write-protected PNY Micro SD Card

2. In this window, it is available to specify file system of, add partition label to or change the cluster size of the partition being formatting. Then, click “OK”.

Choose NTFS File System

3. Click “Apply” > “Proceed” to execute the operation.

Note: AOMEI Partition Assistant enables you to make conversion between NTFS and FAT32 without data loss as well. If you upgrade it to Professional edition, you can experience more functions.

Wrap things up

It’s not rare to meet the problem that PNY micro SD card is write-protected. When you are in such condition, calm down and try to figure out the most possible reason of this issue. Then, you can try measures mentioned above accordingly.