Friday, July 13, 2018

How to format write protected pendrive/usb flash drive

Format write protected pendrive/usb flash drive

Write protection secure your disk security to read only mode. prevent disk from changes any content in the disk. Such as modify/delete or change any files stored in write protected disk.

If you faced with this problem, you are in the right place to get solution.
“The operation did not complete because the media is write protected”
“The disk is write protected”
“Windows was unable to complete this format”
“The file or directory is corrupted and unreadable”
“You are unable to add, delete, copy or save anything in your SD card”
“Read or Write error on SD card' that indicates it cannot read from the device”
Bear in mind that, there is no guarantee that these tricks will work for you

Follow these methods to solve your problem.

Method 1: “Physical Lock”

Check your SD card/hdd/pendrive if any physical write protection button/switch exist or not.
If it turned on. Turn off switch to remove write protection.




If this is not for you then try 2nd method---

Method 2: “Using regedit.exe”

  • Press windows + R key simultaneously to open run dialogue box.
  • Write down “regedit’ and press ok button to run registry editor.




  • In registry editor find the path/destination


HKEY_LOCAL_MACHINE\SYSTEM\Currentcontrolset\control\StorageDevicePolicies

  • In the right panel double click the “WriteProtect” and set hexadecimal value to 0



  • Close registry editor.
If you can’t find the key “StorageDevicePolicies”
Follow this:

  • Create a new sub key with name “StorageDevicePolicies” under control key.




  • In the right panel of “StorageDevicePolicies” create a DWORD(32-bit) value {if your system is 32 bit} or DWORD(64-bit) value {if your system is 64 bit} with name “WriteProtect



  • Double click the write protect and set hexadecimal value to 0




  • Close registry editor.
  • Eject your external drive/hdd/mmc/sd card.
  • Restart your computer in safe mode.
  • Place your usb/removable media device and format it with exFAT file system. Your write protection will be removed.

If this is not for you then try next method---

Method 3: “Command Line (Diskpart Utility)”

  • Press windows + R key simultaneously to open run dialogue box.
  • Write down “cmd” and press ok button to run command prompt.
  • In Command Line use command from below without quotes.

Ø  Type “diskpart” and press enter. (Diskpart session will start)
Ø  Type “list disk” and press enter. (All your disk will be listed with serial number).
Ø  Type “select disk n” and press enter. (Replace n with your disk number).
Ø  Type “clean” and press enter. (This command will erase your selected disk).
Ø  Type “create partition primary” and press enter.
Ø  Type “active” and press enter.
Ø  Type “select partition 1” and press enter.
Ø  Type “format fs=ntfs” and press enter. (You can quick format by “format fs=ntfs quick” this command), This will format your disk and remove write protection.

If this is not for you then try next method---

Method 4: “Third party Utility Software”


If you failed with method 1 to method3 your device has corrupted or contain bad sector.
You may try some partition tool to check and repair the possible errors.

A Video Guideline about format write protected mmc/pendrive/flashdrive



Finally: If method1 to method4 don't work for you bear in mind that your disk is physically damaged. If disk sectors are physically damaged, you won't repair this disk.
Good Luck.

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