Remove Write Protection from Silicon Power USB or SD Card in Windows 7/8/10

The Scenario

I have an Silicon Power 64GB USB3.0 flash drive, and my computer showing that it is write protected, but my other USB drives are working fine on the same PC. It seems that the problem happened after I removed the Silicon Power USB while copying my files, I don’t know how to remove or just disable the write protected, is there anything Silicon Power write protection removal tool to solve this issue? Please help.

Perhaps you may encountered the Silicon Power 8GB USB flash drive write protected problem like the disk is write protected; Silicon Power SD card is write protected and you can’t format it, or something like that.

Reasons and Its Fast Methods

Why Silicon Power is write protected? Is it means that the USB drive, the memory card, or the SD card is damaged or something? Write Protection, also named read-only, means that you can read the data on the Silicon Power storage devices, but you don’t have the privilege to modify, delete or create new files on the USB drives/SD cards/memory cards. It’s designed for the security of the data.

Here we will give you the reason why Silicon Power is write protected and how to solve the issue with fast solutions:

• Your Silicon Power USB flash drive/SD card/memory card is locked by the write protect switch: You can just unlock the switch on Silicon Power SD card, USB flash drive, or flash memory card to fix the problem.

• The Silicon Power is filled up with files: Check it and remove some unnecessary files to free up some space.

• The Silicon Power storage device maybe attacked by virus: Please use the antivirus software to remove the virus and write protection from the Silicon Power USB drive, SD cards, or memory cards, etc.

• Your Silicon Power USB flash drive is damaged physically: Just try another USB drive.

• The value of Windows registry key is incorrect.

• The file system is corrupted due to some unknown reasons.

How to Remove Write Protection for Silicon Power USB Flash Drive?

Except for the fast solutions, there are some more reliable ways for Silicon Power remove write protection. You can try the SP USB Flash Drive Recovery Software to fix such problems as USB showing wrong capacity, being write-protected or unable to format. Besides, you could download Silicon Power Formatter to repair corrupted Silicon Power USB or SD card, etc.

We will introduce the 3 ways to remove write protect for Silicon Power USB drive, SD card, memory cards, SSD, etc. One is the CMD command, the second is edit the registry key, the last is the powerful Silicon Power write protected removal software.

Way 1: Clear Read-Only with DiskPart Command

1. Press “Win+R” combination keys to enter a dialog box.

2. Type “diskpart” to open a window.

3. Then type commands in turn as below:

• list disk

• select disk n, where n is the number of write protected Silicon Power USB flash drive, SD card, memory card, etc.

• attributes disk clear readonly

Then re-plug the Silicon Power USB drive or other disk storage devices into your computer to check if the problem persists. If it doesn’t work, try next.

Way 2: Edit Windows Registry Key

The Silicon Power USB drive is write-protected may due to the incorrect value of Windows Registry key. You have to edit the Windows Registry key to disable the write protection. Here is how:

• Enter regedit in Windows search box and select regedit.exe to enter Registry Editor.

• Go to the location: Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\StorageDevicePolicies. (If the StorageDevicePolicies doesn’t exist, create it manually)

• Double click the WriteProtect, Change the value from 1 to 0 and click OK to remove write protection for Silicon Power USB.

Then restart your computer, insert your Silicon Power USB flash drive again, you’ll find the Silicon Power USB is not write-protected anymore. Try the next way if the problem still exists.

Way 3: The Silicon Power Write Protection Removal Utility - AOMEI Partition Assistant Professional

If your Silicon Power USB drives have a corrupted file system, formatting the USB drive is the best way to remove write protected for you.

AOMEI Partition Assistant Professional is an powerful USB disk storage device format tool in Windows 7, 8, 10, which allows you to format Silicon Power USB drive, SD card, SSD or memory card quickly. The steps are listed below:

1. Insert your Silicon Power USB drive to your computer. Download AOMEI Partition Assistant Professional, install and launch the program. On the main window, right click your Silicon Power USB drive and select Format Partition.

2. Modify the Partition Label, File System, and Cluster Size for Silicon Power USB drive according to your needs.

3. Press Apply to format the write protected Silicon Power USB drive (SD card, or memory card, etc.) if you confirmed the Pending Operations.

In addition, AOMEI Partition Assistant Professional also allows you to create a second partition on SD card, convert USB between NTFS and FAT32 without losing data, etc. The software also applies to Kingston USB drive, SanDisk USB, Toshiba USB, Corsair USB, PNY USB drives, etc.