If you are using a micro- or mini-SD card, insert it into an SD card adapter, and place the adapter label-up on a flat surface.
The lock switch is typically a small white or silver tab that protrudes from the left side of the SD card.
If the switch was already in the unlocked position or this didn’t resolve your issue, continue to the next step.
If the unlock switch keeps falling down, you can use another small piece of tape to keep it in the unlocked position. If you still can’t write to the card after covering the notch with tape, try inserting it into a computer and checking for digital write protection. Read on to learn how on Windows and macOS.
If your PC doesn’t have a card reader, you’ll need a USB SD card adapter to do this.
For example, if you see that the storage size for Disk 3 mirrors your SD card’s remaining space, your SD card’s number is “3”. The top disk (Disk 0) will always be your computer’s built-in hard drive.
For example, if your SD card is labeled as “Disk 3” in the list of computer disks, you’d type select disk 3 here.
For example, if your SD card is labeled as “Disk 3” in the list of computer disks, you’d type select disk 3 here.
If you have an older Mac, your Mac may have an SD card slot on its right side. If so, you can plug the SD card label side-up and gold connectors-first into the slot.
If your file is read-only, change it to “Read and Write” status to see if that removes your SD card’s digital write protection.
If your file is read-only, change it to “Read and Write” status to see if that removes your SD card’s digital write protection.
If your file is read-only, change it to “Read and Write” status to see if that removes your SD card’s digital write protection.
If prompted, follow any on-screen instructions while First Aid runs.