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Free Erase/Format Write Protected SD Card/USB Drive

Updated on Dec 04, 2018 by Brithny to Partition Master

Summary:
When your SD card, USB drive, memory card or other storage devices become write protected, the computer can only read data and files in SD card or USB drive. But no access will be available for you to input new data, move files out, delete data or even format. Here the following, you’ll find reliable methods to unlock SD card or USB drive and free erase/format SD card/USB drive without any obstacles
PAGE CONTENT:
Unlock SD card/USB drive
Remove write protection from SD card or USB drive
Free Erase/Format the SD card or USB drive

"Why did I receive 'The disk is write-protected' notice when I tried to move data into my memory SD card? What happened?"

"My USB drive resists to storing new data by prompting me to write protection warming. And I cannot even format it. What can I do?"

"I can access the memory card and even read data on it. And I even can delete data on it. But when I reconnect it with my computer, deleted data appear again. It's said that I have to unlock the card and format/erase the memory card. Please help.

When your SD card, pen drive or USB drive etc become inaccessible with write protection, you'll not be able to use it to store new data or transfer data normally. Basic functions such as to install new data, delete data or move data from one drive to a new one will all being shut down by then. How to fix such a problem? The direct solution is to remove the write protection on SD card or USB drive etc storage devices. Read the following recommended solutions, you'll know how to directly unlock storage devices and then free erase/format SD card or USB drive.

1. Unlock SD card/USB drive

The very first thing that you need do is to check whether the SD card or USB drive is locked.

Go and check whether the SD card or USB drive have switches, if the switch is locked, please unlock it.

unlock your sd crad, memory card or usb

2. Remove write protection from SD card or USB drive

Here we'll offer you two options to remove or break write protection from SD card or USB drive:

Option 1:

Go to My Computer, click Devices with Removable Storage > right click SD card or USB drive and choose Properties > choose to Remove write-protection.

Option 2:

  • Connect SD card or USB drive with PC, click Start.
  • Type regedit in the search bar and click it.
  • Select "HKEY_LOCAL_MACHINE" and click "System".
  • Find "Current Control Set" and click "Control"
  • Check whether there is a key named "Storage Device Policies" to change the digit in the "DWORD value" box into "0" and press "OK" to save the change.

Note: if you cannot find the key named "Storage Device Policies", you are supposed to create a one: right click "Control" to create a new key and name it as "Storage Device Policies" > right click this new key to open "DWORD Value" and name it as "write protect" > Double click it to change number.

Notice:
If you are unable to remove the write protection on your SD card or memory card, you cannot format the SD card. EaseUS's free format tool is unable to format a write-protected device directly.

3. Free Erase/Format the SD card or USB drive

After removing the write protection, you will be able to access the SD card or USB drive. And you can even move data on it. Then you are highly recommended to move all the data on it first and format it.

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 Windows 10 is supported

But if you still cannot access SD card or USB drive, or you need a more direct solution, you can use EaseUS Partition Master Free to thoroughly format it.

Step 1: Select the USB drive to format.

Connect the USB drive or pen drive to your computer. Download and launch EaseUS partition software. Right-click the USB drive you intend to format and choose "Format".

Format Hard Drive Partition - Step 1

Step 2: Set the drive letter and file system.

Assign a new partition label, file system (NTFS/FAT32/EXT2/EXT3), and cluster size to the selected partition, then click "OK".

Format Hard Drive Partition - Step 2

Step 3: Check the warning box.

Click "OK" if you see the Warning window. If you have important data on it, back up the data in advance.

Format Hard Drive Partition - Step 3

Step 4: Apply the changes.

Click the "Execute operation" button first, and then click "Apply" to format the USB drive.

Format Hard Drive Partition - Step 4