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How to Change the Read/Write Permission on a Flash Disk/Memory Card

Updated on Dec 10, 2018 by Jean to Partition Manager

Here is a comprehensive tutorial on how to change the read/write permission on a flash disk/memory card and external hard drive. So, anyone who has the problem of not being able to copy, delete or format a disk due to read/write protection should stop by.

Overview of the read/write permission on a flash disk/memory card

As you can figure out by yourself, there are read and write permissions on a hard disk drive, memory card, USB stick, pen drive, and jump drive. To gain full access to a drive and data within, or take further control, for example, copy, edit and delete files, partition, and format the disk, you must be authorized to use the storage with both read and write permissions.

Tutorial on how to change the read/write permission on a flash disk/memory card

In most cases, the majority of people would be lost when they encountered trouble of not being to read or write data as they used to. So, a comprehensive tutorial about how to change read/write permission on a flash disk/memory card becomes urgent.

Altogether, this guide offers three ways to obtain or deny the read/write permission on HDD, SSD or a removable storage media.

First, there's a slide switch on most of the memory cards and flash drives

Take out your object that doesn't allow you to make any change on it, and carefully examine it. Is there a little tiny slide switch that points to a Lock position downwards? This switch is designed to avoid accidentally deleting photos or unwanted access to the inside data. So, when you found yourself being blocked, turn the switch to the opposite direction of the Lock position, aka Unlock.

change read/write permission on flash disk/memory card by sliding the lock switch

What if the Lock and Unlock switch is broken? Do your best to recover data from locked SD card.

Second, manually set drive security permissions

Nevertheless, quite a lot of removable storage devices are not coming with the Lock switch, what's the matter? Where to change the read/write permission? At this moment, you need to get about the task on a computer.

Step 1. Correctly insert your USB stick or SD Card into the computer, and make sure Windows has detected it.

Step 2. In Windows 10, 8 or 7, press "Windows + E" simultaneously to open File Explorer.

Step 3. Locate the drive letter that presents your device. Right click on it, and select "Properties".

Step 4. Navigate to the Security tab, in the middle of the Properties window; you'll see 'To change permissions, click Edit'. This is where you can change read/write permission on the target disk. So, click "Edit", and the Security window immediately pops out.

change read/write permission on flash disk/memory card step 1

Step 5. Here, you'll find 'Permissions for Authenticated Users' with either an 'Allow' or 'Deny' option. By checking the Deny boxes next to the permissions like Full control, Modify, Read and Write, you're setting the drive and its contents to read-only. Otherwise, to disable the read-only attribute, check the Allow boxes. Click "Apply".

change read/write permission on flash disk/memory card step 2

Step 6. Click "OK". You should now do a successful change the read/write permissions.

Third, remove write protection fra om USB stick or memory card

In the event that Windows fails to format a disk with error messages like "the disk is write protected", you have to remove write protection with some advanced measures.

Step 1. Press "Windows + R" simultaneously, type cmd and run administrative "Command Prompt".

Step 2. Type diskpart and hit "Enter".

Step 3. Type list disk and hit "Enter".

Step 4. Type select disk # (# is the number of the write-protected flash drive or memory card) and hit "Enter".

Step 5. Type attributes disk clear readonly and hit "Enter".

Step 6. Exit the Command Prompt.

remove write protection from flash disk/memory card to change read/write permission

Further assistance

I hope that at least one solution helps you solve the read only or write protection issue and gain the permission to change read/write attribute as you want. In the final part, we'd like to introduce you a very powerful yet free partition manager that facilitates hard drive & partition management in Windows environment.

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It's EaseUS Partition Master. It provides fabulous management features, which is widely demanded in many situations. For example, resize/move partition, to format a write-protected disk drive, delete a partition on a USB flash drive in Windows 10, recover lost, deleted or unallocated partition, copy a partition to make a backup and many other functions that wait for you to explore.