How to remove write protection from usb


This article is going to lớn talk about "The disk is write-protected" error on USB flash drive & SD card. It explains possible causes and solutions to lớn remove sầu write protection for USB drive & retrieve data when this error occurs. If you are troubled by this issue for the moment, you can read this guide before giving up the disk.

Bạn đang xem: How to remove write protection from usb

What is "write protection" on USB disks?Causes of USB write-protected errorHow to lớn add write protect to lớn a flash drive?How khổng lồ remove write protection from read-only USB drive?Solution 1: Cheông xã the drive for a physical lockSolution 2: Disable write protection in RegistrySolution 3: Use Comm& Prompt lớn remove write protectionSolution 4: Chechồng tài khoản permissionSolution 5: Make sure the USB drive isn"t fullSolution 6: Ensure your USB drive sầu is không lấy phí from virusSolution 7: Format the disk write-protected diskSolution 8: Verify bad sectorsHow lớn recover data from write-protected flash drive?Free flash drive data recovery softwareSteps khổng lồ recover data from write-protected flash drive

What is "write protection" on USB disks?

Write protection on USB flash drives or SD cards is a handy function aiming lớn prevent accidental tệp tin deletion & blochồng suspicious files like vi khuẩn & un-authorized sources. External data storage devices are very comtháng devices & they are widely used these days, as they are portable và users can take them anywhere they want. When a USB disk is write-protected, it turns inlớn read-only. In that case, any action khổng lồ add or edit data inkhổng lồ that disk will be denied. All attempts related lớn writing action will be prevented, such as add or create new tệp tin, edit existing data, delete files that already present, formatting current USB disk, etc. Another reason people only give readable access lớn their storage device is lớn prevent others from sharing content stored on the disk.

When you try to write data lớn such disk you"ll get error message "The disk is write-protected. Remove sầu the write-protection or use another disk." as shown in the picture below.


However, this feature may become a headabịt if it is not properly used or USB drive is corrupted. In that case, the error "The disk is write protected" will drive sầu you crazy, as you can"t access data on that USB drive and the only option lớn fix it might be format write-protected USB complete, which won"t be an easy job. What"s worse, if files on that drive are important to lớn you, formatting won"t be a wise choice, for formatting wipes data. Thus you need lớn disable or remove sầu write-protection from USB disk first. Let"s look at a real case found from a forum:

"I recently bought a new máy tính that installs Windows 10. I have sầu four USB flash drives and one of them is now marked "write-protected" for no reason, as I didn"t vày anything to lớn it. I found a solution for windows XPhường. and tried on my own computer. But it didn"t remove sầu write protection. I just want to copy files from the USB disk lớn computer & then reformat it. Can you help me on the write protection removal thing on Windows 10 computer or retrieve sầu data?"

Causes of USB write protected error

This error may appear for several reasons & this section lists the most comtháng ones.

Read only switch

Many memory cards & USB flash drives have a small physical switch on the side edge. The switch is used to phối write protect and makes the drive read only.

The flash drive sầu is full

If the flash drive sầu is full of files and does not have sầu không tính phí space và it is likely to lớn be write-protected. You can right-clichồng on the disk & choose Properties lớn check how much free space available on the drive.

Security settings

Some computer uses or administrator of the machine phối security setting on computer lớn prsự kiện actions lớn write data lớn a USB disk. You need to remove sầu such settings by modifying settings in registry.

The Read-only property

If you mix files or folders on existing on the drive sầu to lớn "Read Only", you"ll receive this error message when copying, editing or replacing files. In that case, you need to lớn navigate to file Properties khổng lồ check whether the "Read-only" option is selected.

Virus attack

Virus can infects everywhere data exists and cause various issues such as data damage, tệp tin loss, system crash, storage device failure, etc.

Drive is broken or has bad sectors

If causes mentioned above sầu can"t trương mục for your case, it is likely your removable disk is broken or gets bad sectors. The disk might be old và just reaches its natural lifespan, as many disks have limitations on the amount of reading & writing data. Besides, normal read or write actions can"t be done to lớn bad sectors, thus you may need khổng lồ seek help from disk verifying tools.

How to add write protect khổng lồ a flash drive?

If you have sầu stored some important data on your flash drive sầu, then it"s a good choice khổng lồ enable the write protection before inserting it khổng lồ computers which is not well protected by an-virut software. There are chances that flash drive sầu infects virut when connecting khổng lồ public computers. Although write protecting on USB drive sầu is not the foolproof action to prevent people from editing or deleting your data if they know how to lớn disable this feature, it is better than keeping flash drive in open mode. Here is a handy tutorial to lớn add write protect.

Method 1:

Examine the flash drive sầu 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.

Method 2:

Set drive sầu security permissions

Step 1Right-click the drive sầu letter associating with the flash drive sầu in Windows Explorer and select "Properties" from context thực đơn.

Step 2Cliông xã Security tab on the Properties Window, select "Everyone" under Group or user names & click "Edit" button.

Xem thêm: Công Ty Cổ Phần Dịch Vụ Dữ Liệu Trực Tuyến Tuyển Dụng Mới Nhất Năm 2021

Step 3On the "Permissions for Removable Disk" Window you can see a section named "Permissions for Everyone" and two columns of check boxes. Check those under "Deny" for items lượt thích Full Control, Modify & Write.

Step 4Clichồng Apply and then Ok button.

How khổng lồ remove sầu write protection from read-only USB drive?

Solution 1: Cheông chồng the drive sầu for a physical lock

Many USB drive and SD cards have sầu a physical lock switch which can turn on and turn off write protection. Thus you need to lớn examine whether the flash drive enables this lock. Chechồng the left or right edge to find out the switch. If the switch is in the Loông xã side, just move sầu it to the unlocked position. If this method can"t solve sầu the write protection error, please try following solutions.


Solution 2: Disable write protection in Registry

Editing registry is another way to lớn fix "The disk is write protected" error. Write protection can be enabled in Windows registry & it is not easy to lớn 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 1xuất hiện Registry Editor. Cliông xã Start button và enter "Regedit" in searching box và press enter key. If you see prompt given by user trương mục control, click Yes. Alternatively, you can get Registry Editor by typing Regedit.exe in Run commvà which can be opened by pressing Windows and R keys.

Step 2In the left part of Registry Editor, navigate to:


Find out StorageDevicePolicies & open it. If it does not exist, you can create one. Right cliông chồng on Control and choose "New" & "Key" & name it as StorageDevicePolicies.


Step 3Cliông xã StorageDevicePolicies key in the left và right-clichồng the empty area on the right side. Select New & DWORD (32-bit) Value. Then change its name khổng lồ WriteProtect.


Step 4Double cliông chồng the WriteProtect key and enter 0 in the Value data box & cliông xã OK. Cthảm bại Registry Editor & re-plug your USB drive.


Solution 3: Use Comm& Prompt lớn remove write protection

Read & write attributes of UBS disk can be modified from Windows Command Prompt with the help of a simple commvà line. You can follow steps here to clear write attribute for flash drive or SD thẻ.

Step 1Open Comm& Prompt.

Clichồng Start button and enter cmd in searching box. Then right cliông xã "cmd.exe" from the searching danh mục and choose "Run as administrator". Click Yes, if you get UAC prompt.

Step 2Type in diskpart và hit Enter.

Diskpart comm& is a Windows built-in tool for disk partitioning and it is able to lớn change values related to USB drives. If you got the error "The request could not be performed because of an I/O device error. See the System Event log for more information", the storage device might be physically damaged.

Step 3Type the following commands one by one & press Enter key after each commvà.

Chuyên mục: Domain Hosting