Remove the write protection from an SD card

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Remove the write protection from an SD card
Remove the write protection from an SD card
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It may happen that you try to use an SD card and get an error message that the disk is write-protected. Write-protected discs cannot be copied, erased, and new data cannot be written to the disc. To remove write protection from an SD card, you may need to physically unlock the card or format it in Windows or on a Mac.

Steps

Method 1 of 3: Unlocking an SD card

Remove Write Protection on an SD Card Step 1

Step 1. Place the SD card in the palm of your hand or on a flat surface, label side up

Remove Write Protection on an SD Card Step 2

Step 2. Find the lock on the top left side of the SD card

This can be a small white or silver tab that protrudes from the left side of the SD card.

If you have a micro or mini SD card, there is no sliding lock on the SD card itself. Instead, you will have to put it in an SD card adapter, which has a sliding lock on it

Remove Write Protection on an SD Card Step 3

Step 3. Slide the lock all the way up

Write protection is now completely disabled.

Method 2 of 3: Formatting an SD card in Windows

Remove Write Protection on an SD Card Step 4

Step 1. Insert the SD card into the slot of your Windows computer, or use an adapter for this

Remove Write Protection on an SD Card Step 5

Step 2. Click on “Start” and then right click on “Computer

Remove Write Protection on an SD Card Step 6

Step 3. Select “Manage” from the list of options

The "Computer Management" window will now appear.

Remove Write Protection on an SD Card Step 7

Step 4. Click on “Disk Management” under “Storage” in the left panel of Computer Management

All available storage media are now shown in the middle panel.

Remove Write Protection on an SD Card Step 8

Step 5. Right click on the storage media you want to format and select “Format

Remove Write Protection on an SD Card Step 9

Step 6. Click on “OK

Your computer will now format the SD card and remove the write protection from the drive.

Method 3 of 3: Formatting an SD card in Mac OS X

Remove Write Protection on an SD Card Step 10

Step 1. Insert the SD card into your computer with an SD card reader or adapter

Remove Write Protection on an SD Card Step 11

Step 2. Open your Mac's Applications folder

Remove Write Protection on an SD Card Step 12

Step 3. Scroll down to the Applications folder and open “Utilities

Remove Write Protection on an SD Card Step 13

Step 4. Click on “Disk Utility

The Disk Utility window will now appear.

Remove Write Protection on an SD Card Step 14

Step 5. Click on the name of your SD card in the left panel of Disk Utility

Remove Write Protection on an SD Card Step 15

Step 6. Click the “Erase” tab at the top of the Disk Utility window

Remove Write Protection on an SD Card Step 16

Step 7. Select “MS-DOS file system or exFAT” from the drop-down menu, next to “Volume Format

Remove Write Protection on an SD Card Step 17

Step 8. Click the “Erase” button at the bottom of Disk Utility

Your Mac will now format the SD card, erasing everything from the drive, including write protection.

Tips

Once you have removed the write protection from your SD card, you can format your SD card to delete all files and restore the card to its original state

Warnings

  • In some cases, the sliding lock on your SD card may become loose and accidentally lock into position when you insert the card into your PC's slot. If this happens, you may need to replace your SD card.
  • Try to move security. Make sure the safety slide is not in the lock position. Push it 0.5mm towards the locked position. Insert the SD card into the card slot and try again. You often get positive results with this.
  • Formatting your SD card will take everything off the drive. If you want to avoid losing data on the SD card, try putting the slide lock in the unlock position before formatting the drive.

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