[Fixed] 'Current Read-Only State Yes' on USB Flash Disk/Memory Card

Jean updated on Sep 10, 2020 to Partition Master | How-to Articles

How to Clear Current Read-Only State on a USB Flash Drive

"Hi, I tried diskpart to remove write protection from SanDisk USB flash drive, it worked for the first time, but now it's showing 'Current Read-only State: Yes' and I can't format it or write on it. What should I do to restore it to normal read and write state?"

current read-only state yes

The 'current read-only state yes' issue is commonly seen in removable storage devices of many big brands, such as SanDisk, Transcend, Kingston and so on. To change read-only to read-write without trouble, here we found 3 best ways for you, including check the physical switch, change the registry key and format write-protected USB flash drive.

Solutions to 'Current Read-Only State Yes' on USB Flash Disk or SD Card

We suggest you try the following workarounds in sequence, which are given from easy to complex. 

Solution 1. Check the Physical Switch

No all the flash disks or thumb drives have the lock switch. So, first have a check. Take out your stick, if there is a physical lock switch on the side of it, slide the switch to the unlock area.

change usb lock switch

Solution 2. Open Regedit and Change Registry Key

Directly jump to the second solution when you found no switch at all on the flash disk. This way is somewhat harder and needs to be done carefully.

  • Connect the USB flash drive to a Windows PC and make sure Windows has detected it usually.
  • Press Windows + R keys at the same time to open the Run box. Type regedit and click "OK".
  • Now, you've opened the "Registry Editor". Find the path there: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\StorageDevicePolicies
  • Click the "write Protection" icon, and set the "Value data" to 0. Click "OK".

change the registry key and set value data to 0

Registry Alternative - Write-Protection Removal Tool

If you are not professional in computing management and not familiar with command lines, don't worry. EaseUS R&D team has promoted a fresh kit for helping you resolve the write-protection issue on your hard drive, external hard drive, USB or SD card, etc., devices.

EaseUS Tools M is a practical computer fixing tool that is safe and light-weighted. It's a perfect alternative to the command line. 

Use this one-click tool to solve the write-protection issues on your own:

Step 1: DOWNLOAD and install EaseUS Tools M for free.

Step 2: Run EaseUS Tools M on your PC, choose the "Write Protection" mode.

Step 3: Select the device which is now "Write-Protected" and click "Disable" to remove the protection.

Remove Write Protection from storage devices.

3. Use the Manufacturer's USB Repair Tool to Restore Read-Only to Normal

Most probably the regedit modification should fix the problem of your USB flash drive and memory card showing the current read-only state as yes. If failed, some experienced users advised that going to the producer's website and download a USB repair tool to reformat the drive would help.

For example, SanDisk USB repair tool, Apacer USB 3.0 repair tool, Lexar USB format tool and so on.

Fix for 'Current Read-Only State Yes' With EaseUS Partition Master

Many reasons would cause your disk in a current read-only state, let's say corruption or virus. So, you can try to download EaseUS free partition manager to format a corrupted flash drive and memory card, to fix 'current read-only state yes' issue on SanDisk, Kingston, and other brands.

Download Now

 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

Was This Page Helpful?


Frequently Asked Questions

Why Choose EaseUS Partition Master?

"I've used Partition Master Professional many times to create, delete, format, move, rename, and resize partitions."PCWorld

"Partitioning tools have come a very long since the days of complicated command line utilities and EASEUS Partition Master is one of the most advanced programs available."TECH ADVISOR

"I love that the changes you make with EaseUS Partition Master Free aren't immediately applied to the disks. It makes it way easier to play out what will happen after you've made all the changes."Lifewire

Will the "Migrate OS" feature transfer the Windows system files only or the whole C drive?

To ensure that the migrated system will boot normally, the Migrate OS feature will transfer all the files in the system and the boot partitions. Generally, the boot partition is the C drive so the transfer will include all the files in C.

Does EaseUS Partition Master license apply to multiple computers?

The license of Partition Master Professional and Server editions can be used on 1 computer only, while that for for the Technician and Unlimited editions can be used on multiple machines.

What is the difference between EaseUS Partition Master Trial version and the Free version?

Free is for home users only, with most basic functions available such as partition resize and clone. While trial can help you understand how this product works and test what a full license can do on a business or server OS machine.

Will it cause any data loss after resizing the partition in EaseUS Partition Master?

Generally, it will not cause any data loss or boot issue by resizing a partition. However, in order to protect your data, we suggest that you backup the partition before resizing, in case of any unexpected situations such as power outages, computer hardware failures, etc. You can use EaseUS Todo Backup to backup the partition and its trial version is fully functioned for 30 days.

What should I prepare before resizing the partition?

On the partition that is going to be operated, there might be some files being occupied by other programs. To ensure a successful operation, we suggest that you close all the unnecessary software before resizing that partition. Otherwise, EaseUS Partition Master will detect the partition being locked by the other software and require a reboot to resize the partition under boot mode.

About EaseUS Partition Master

All-round disk & partition management software for personal and commercial use. Let it manage your storage drive: resize, format, delete, clone, convert, etc.

Video Tutorial

How to Partititon a Hard Drive on Windows 10/8/7