How to Remove Write Protection from SD Card [Top 3 Ways]


Have your had the experience of getting  write protected warning message from Windows when you try to access your SD card? Anyway i have had one such! Once i got a memory card from one of my friend and when i try to open the card, i got such a message. then i started searching about it and find methods on how to remove write protection from SD card.

Once a memory card, USB flash drive or hard disk is write-protected, it means that you can no longer use the storage devices like before. Any operation on it will be rejected. For example, if you suddenly found that your SD card is set to write protection, you cannot write new data to the card or delete files on it or format it. Then SD card in this situation becomes useless and has no further use. To troubleshoot such an issue, firstly you should learn how to get rid of SD card write protection.

To remove the write protection on an SD card, you may need to physically unlock the card or format the card using a Windows or Mac computer.

How to Remove Write Protection From SD Card?


1) Unlocking an SD Card Manually

Place the SD card in the palm of your hand or on a flat surface with the label facing up.

Look for the lock switch on the upper-left side of the SD card. The lock switch may be a tiny white or silver tab that juts out from the left side of the SD card.
Ways to Remove Write Protection on an SD Card
If you are using a micro- or mini-SD card, there will be no lock switch on the actual SD card. Instead, you will be required to insert the SD card into an SD card adapter, which will contain a lock switch.Slide the lock all the way up. The write-protection status will now be removed from your SD card.

2) Insert the memory stick into the computer & check its properties

Go to My Computer and under Devices with Removable Storage look for your card reader; right-click on it and click Properties. In the pop-up box, sometimes there’s an option to Remove write-protection. Change the status of this option and try again.


3) How to erase a write-protected SD Card or Pendrive?

This is actually a step by step tutorial. If the above two tricks doesn’t work you can depend on this method. Follow the below guide

In any version of Windows from XP onwards, run Regedit.exe (searching regedit will usually show the program at the top of the list).

Navigate to the following key:



Double-click on the WriteProtect value in the right-hand pane of Regedit.exe. Change the Value data from 1 to 0 and click OK to save the change. Close Regedit and restart your computer. Connect your USB drive again, and you should find it is no longer write protected. You can now format the drive as normal by right-clicking on it in My Computer and choosing Format.

If you can’t find StorageDevicePolicies, you can try creating a key by right-clicking in the white space in the Control folder and choosing New -> Key and carefully entering the name.

Now double-click on the new key (folder) and right-click once again and choose New -> DWORD. Name it WriteProtect and set its value to 0. Click OK, exit Regedit and reboot your computer.

If this method doesn’t work, skip to the next step.

With your USB drive plugged in, launch a command prompt. Do this by searching for cmd.exe in the Start menu (or Start screen in Windows 8). In Windows XP, click Start then Run, and type cmd.exe in the box.

NOTE: you may need to run Cmd.exe with administrator privileges if you see an “access is denied” message.

To do that, right-click on the shortcut and choose Run as administrator. In Windows 8, simply choose Command prompt (admin).

Now, type the following, pressing Enter after each command:


list disk

select disk x (where x is the number of your USB flash drive – use the capacity to work out which one it is)

attributes disk clear readonly


create partition primary

format fs=fat32  (you can swap fat32 for ntfs if you only need to use the drive with Windows computers)


How to Format SD card after breaking write protection?

Now things get easy after we erase the write-protected SD card. To format the memory card, we introduce a very user-friendly utility – EaseUS Partition Master Free. Don’t worry about your little knowledge about the formatting, the powerful free partition manager will save you out with simple steps.

Step 1. Insert SD card into a computer (Windows 10/8.1/8/7/XP/Vista all supported) and launch EaseUS Partition Master Free.

Step 2. Right-click the SD card and choose “Format partition”.

format sd card

Step 3. A mini window pops out, on which you can edit the partition label and choose a file system.

edit information of the formatted SD card

Apply the changes you made, then the write-protected SD card is successfully formatted. After the operation, you can also use the magic partition software to resize partitions.

You can simply remove write protection from sd card and format you flash disk by following the steps explained above.

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