Most of us have been there: You're out taking photos and your memory card is full, but you don't have another with you. Or ...

If you can't delete files from an SD card on your Windows 11/10 computer, check the physical lock switch, remove write protection, etc.

Check your USB drive or SD card for a lock switch, and ensure it's set to write. Clear the read-only box in a file's properties to remove write protection from individual files. Use the diskpart ...