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Solved: Remove Sony Pen Drive Write Protection

Updated on Nov 28, 2018 by Jean to Partition Master

Summary:
Try multiple ways offered on this page to delete/format/remove Sony pen drive write protection when receiving an error saying this disk is write-protected on your Sony pen drive.

Sony Pen Drive Write-protected Issue

"My Sony pen drive 16GB won't format in Windows, with an error message - this disk is write-protected. I don't remember when I had changed it to write protection state. Now totally get confused about the error. Please help me remove Sony pen drive write protection so that I can use it for other purposes."

Overview of Write Protection

When you're told that the disk is write-protected, you can no longer add new data to its memory. Write protection allows a drive or SD card to keep its contents from being changed. Other than Sony pen drive users, other customers of SanDisk, Kingston, Toshiba, Samsung, Lexar, Transcend and more had the same problem, and desperately need help with write protection removal methods. 

Multiple Ways Fix Write Protection from Generic USB Flash Drive/Pen Drive/SD Card (Sony included)

To get rid of the write protection limit from many branded storage drive and memory card, including the Sony brand, there are multiple solutions available. Try basic operations first, then command prompt, then modify the registry in Windows.

At last, if it requires reformatting for putting your Sony pen drive for some future use, please continue with the last part to get to know a third-party free partition manager.

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 Windows 10 is supported

Basic Operations

1) SD card: turn the lock button off; the lock mechanism resides on either side of the SD card.

2) Check drive's property, see if its capacity is full. You may get write protection error is there is no more free space on the drive.

3) Check file's attributes in Windows, uncheck "Read-only" box and click "Apply".

4) Run antivirus program to scan and remove the virus.

Advanced Operations

1) Command prompt

Press Windows key + R and type cmd to open command prompt >> type diskpart and press Enter >> type list volume and press Enter >> (find you USB, pen drive or SD card in the list, let it be 3) type select volume 3 >> Type attributes disk clear read-only and press Enter >> type exit and press Enter.

2) Edit the Registry in Windows

Click Start menu and type regedit into the Search for programs and files field >> Hit Enter >> navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\StorageDevicePolicies >> look for a key named WriteProtect >> click on Modify >> Change the "Value data" entry to .0 (This will disable write protection for all of your drives.)

How to Format a Sony Pen Drive After Unprotected

There are apparent reasons for you to reformat your Sony device after performing the above methods to unprotect the write protection. And the easiest way to take the job done is with EaseUS Partition Master; it's a highly recommended Sony format tool on the market that allows users to format a hard drive partition with several simple clicks.

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 Windows 10 is supported

 

Step 1: Launch EaseUS Partition Master, right-click the partition on your external hard drive/USB/SD card which you want to format and choose the "Format" option.

Format Hard Drive Partition - Step 1

Step 2: 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: In the Warning window, click "OK" to continue.

Format Hard Drive Partition - Step 3

Step 4: Click the "Execute Operation" button in the top-left corner to review the changes, then click "Apply" to start formatting your external hard drive/USB/SD card.

Format Hard Drive Partition - Step 4