Correspondingly, what happens if SD card is locked?
When there is a memory card locked error on your camera or Android phone, you won't be able to add new files to your device or edit or delete the files stored on your SD card.
Subsequently, question is, how do you unlock a locked SD card? There is a Lock switch on the left side of the SD card. Make sure the Lock switch is slid up (unlock position). You will not be able to modify or delete the contents on the memory card if it is locked. SOLUTION 2 - Toggle the lock switch.
Considering this, how do I unlock my camera memory card?
On many SD cards, you can lock or unlock the card just by sliding the switch from the “Locked” to “Unlocked” position. (Note: The former is in the downside position; just slide the switch up. If you observe the image above, you can tell that the memory card is unlocked because the grey switch is flipped up.)
Why is my SD card not showing up?
Due to an outdated memory or SD card driver, your Android mobile phone or computer may not be able to read or detect the memory/SD card properly. Right-click on My Computer or This PC and choose "Manage". In the taskbar on the left, click "device manager" and next to "USB Serial Bus controllers" click "+".