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Free Erase/Format Write Protected SD Card/USB Drive

Updated on Jul 23, 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

SD card or USB drive inaccessible cases with write protection

"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 with 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.

►Step 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

►Step 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.

Warning
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 formart a writ-protected device directly.

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

After following Step 1 and Step 2, 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 firstly 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 within 3 steps.

1. Connect SD card or USB drive with PC. Launch EaseUS Partition Master Free and right click SD card/USB drive by choosing "Format partition".

EaseUS Partition Master Free guides to free erase/format write protected SD card/USB drive.

2. Specify the formatted SD card/USB drive by giving it new label/file system and size. Click OK.

Free erase/format write protected SD card/USB drive.

3. Click Apply to keep all changes by formatting write-protected SD card/USB drive.