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How to fix micro SD card that mounted as read-only
"My Android external memory card has turned to read-only all of a sudden. I don't think I played around with any settings to make it happen. I can read it, but no longer write to it or delete it. How to fix it?"
Usually, a memory SD card or USB flash drive itself has been locked into "read-only" mode; it's because the card is getting old, damaged, corrupted or infected by a virus. Here we teach you how to fix read-only SD card to read-write using the command when Android external SD card mounted as read-only that prevents you from writing, deleting, copying or moving data on it.
How to remove read-only from SD card using CMD
Step 1: Plug the read-only micro SD card into Windows.
Step 2: Click "Start" > "Run" and enter cmd.
Step 3: Enter diskpart.
Step 4: Type list volume. Now you'll see all your connected drives, see which one is the memory card drive.
Step 5: Type select volume #. # represents the letter of your memory card drive.
Step 6: Type attributes disk clear readonly > removing the write protection.
CMD 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 Tool 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: DOWDLOAD and install EaseUS Tool M for free.
Step 2: Run EaseUS Tool M on your PC, choose "Write Protection" mode.
Step 3: Select the device which is now "Write-Protected" and click "Disable" to remove the protection.
Now open your SD. You should be able to edit, delete, copy or move files without a hitch.
How to Format Read-only SD Card
Many people tend to format a memory card when mounted as read-only on their Android phones. However, you all end up with failure because of the error that Windows was unable to complete the format, just like how Windows Disk Management fails to format a write-protected SD card. Only when you removed the read-only attribution on the SD card, you can then format it and restore SD card full capacity.
Download EaseUS free partition manager on your Windows computer. Plug in your SD card with the read-only problem fixed by using the command.
Step 1: Open EaseUS Partition Master. Find your SD card and right-click the partition you want to format and choose "Format".
Step 2: Set a new partition label, file system (NTFS/FAT32/EXT2/EXT3), and cluster size to the selected partition, then click "OK".
Step 3: Click "OK" on the pop-up window to continue.
Step 4: Click the "Execute Operation" button on the toolbar, then click "Apply" to start formatting your SD card.
By formatting SD card that was mounted as read-only can help restore its full capacity and make it work as a new storage card.
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Frequently Asked Questions
- Why Choose EaseUS Partition Master?
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"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?
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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?
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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?
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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?
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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?
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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.
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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.