Examine the flash drive or memory card and find out the switch. You can move the switch to the lock location to enable the write protection for the device. Step 1 Right-click the drive letter associating with the flash drive in Windows Explorer and select "Properties" from context menu. Step 3 On the "Permissions for Removable Disk" Window you can see a section named "Permissions for Everyone" and two columns of check boxes.
Many USB drive and SD cards have a physical lock switch which can turn on and turn off write protection. Thus you need to examine whether the flash drive enables this lock. Check the left or right edge to find out the switch. If the switch is in the Lock side, just move it to the unlocked position. If this method can't solve the write protection error, please try following solutions.
Editing registry is another way to fix "The disk is write protected" error. Write protection can be enabled in Windows registry and it is not easy to write on USB devices. If you disable this feature via registry editor you can regain read and write privileges on removable drives. Here are the steps you can follow. Step 1 Open Registry Editor.
Click Start button and enter "Regedit" in searching box and press enter key. If you see prompt given by user account control, click Yes. Alternatively, you can get Registry Editor by typing Regedit. Step 2 In the left part of Registry Editor, navigate to:. Find out StorageDevicePolicies and open it. If it does not exist, you can create one. Step 3 Click StorageDevicePolicies key in the left and right-click the empty area on the right side.
Then change its name to WriteProtect. Read and write attributes of UBS disk can be modified from Windows Command Prompt with the help of a simple command line. You can follow steps here to clear write attribute for flash drive or SD card.
Click Start button and enter cmd in searching box. Then right click "cmd. Click Yes, if you get UAC prompt. Step 2 Type in diskpart and hit Enter. Diskpart command is a Windows built-in tool for disk partitioning and it is able to change values related to USB drives. See the System Event log for more information", the storage device might be physically damaged. Step 3 Type the following commands one by one and press Enter key after each command.
In the screenshot below, we should type select disk 1. Step 4 When you see "Disk attributes cleared successfully", you can close Command Prompt and re-plug USB drive to check whether the issue is resolved. The reason that you get the write protection error might be drive permission issue. It is possible that you didn't provide permission to access particular storage device, so you need to make sure you have set write privileges properly for user account. In the Permission for Everyone section, check whether the "Write" feature is marked with a tick.
Step 3 If there is not a tick next to Write feature, select the use account and click button Edit. Click on Add and then enter the object's name and click OK. If your USB drive is running out of space, you may also get the write protection error message when copying files to this device. You can see the free space on the disk via checking it Properties on computer. Then you can see a pie chart showing Used space and Free space.
It happens that flash drive may not be readable or writable if it infected by certain virus. Every time you plug a USB drive to your computer, you need to scan it for virus or malware, especially after it is used on public computers. Virus can delete or mess files, fill USB drive with nonsense data or make drive unreadable.
Thus you can manually scan the flash drive with antivirus software and eliminate all possible malware and virus. In most cases, you can't format write-protected disks, as formatting process writes new file system. When you try to format the drive, you'll get errors like "The disk is wrote-protected" or "Windows was unable to complete the format". You can try the method here to format it. Warning: Formatting the drive wipes all data on it. There are some frequently asked questions about disk write protection.
If you want to get additional help, you can read on. Write-protection is the ability of a hardware device or software program to prevent new information from being written or old information from being changed. The lock Switch is usually by the top left side of the SD cards or the adapters. If it's broken, you won't see it. The SD card will become "Write-Protected" by default. Roxanne is one of the main contributors to EaseUS and has created multiple posts on digital devices like PCs, Mobile phones, tablets, Mac, etc.
She loves to share ideas with people of the same interest. Author Jean has been writing tech articles since she was graduated from university. She has been part of the EaseUS team for over 5 years. Her special focuses are data recovery, disk partitioning, data space optimization, data backup and Mac OS. By the way, she's an aviation fan! It makes it way easier to play out what will happen after you've made all the changes.
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Transfer Products. File Management. More Products. Workable Solutions Step-by-step Troubleshooting Fix 1. Remove the physical switch Full steps Fix 2. Open this software and click "Run a quick scan" Full steps Fix 3. Uncheck Read-only Status Right-click the file with write protection and select "Properties". Check the options Thus, we suggest recovering those files with a professional data recovery software; MiniTool Partition Wizard can help you with its Data Recovery feature to recover data from formatted USB drive.
Since this solution will lead to data loss, you might be reluctant to format your USB drive just to remove the write protection error. In this case, you should consider backing up all your data using MiniTool ShadowMaker. When a USB flash drive, pen drive, or SD card is plugged into a PC, it could be easily attacked by viruses attached to spyware downloaded from an illegal website.
The files or folders on this device could also be easily filled with viruses that can lead to the disk is write-protected error on your storage device.
In this case, you need to download anti-virus software and set it to automatically scan your device. Once a virus is found, please kill it at once to remove the write protection from USB drive, pen drive or SD card.
Some external devices including pen drives, or USB flash drives have a mechanical switch used to lock or unlock your device, but some don't. Therefore, you should check whether there is a switch like this on your device. It could be put into write protection mode to prevent accidental writing. If it is, please move the switch to the unlocked position and then try copying files again. Perhaps this operation can be done successfully after the switch has been unlocked.
Sometimes if the USB stick or SD card is full with files, it is very likely to receive the write protection error when files are being copied to it. Right-click this drive and select Properties. If there is enough free disk space and you still encounter this issue, it might be because the file you are trying to copy to the USB drive is too large.
In addition, sometimes the file is set to the Read-only status, which indeed could cause the disk is write-protected error on a USB flash drive, micro SD card or pen drive.
Then you can view three options on the bottom, among them, please ensure that the Read-only option is unchecked. Finally, click Apply to let this change effective. Please run CMD as an administrator, then type diskpart command and hit Enter to run diskpart. Then type the following bolded commands one by one:. After performing this operation, try copying files again. The USB write protected error should be removed.
If the issue still persists, you should consider modifying the registry to remove the write protection from USB. The USB write.
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