SanDisk memory card is write-protected, cannot format, how to fix it ' Hello there, my SanDisk memory card suddenly become inaccessible in my laptop, warning that an error had occurred and it's write protected now. I'm trying to look for a way to unlock the memory card. But I cannot format it directly since I've stored quite a lot of important files there. If you know any solutions or have good suggestions, please let me know.