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Have you tried removing your SD card, putting it in a SD card reader and plugging into a PC? Windows will auto-detect and repair a lot of file system errors if you let it. See also this previous questionthis previous question.
Have you tried removing your SD card, putting it in a SD card reader and plugging into a PC? Windows will auto-detect and repair a lot of file system errors if you let it. See also this previous question.
Have you tried removing your SD card, putting it in a SD card reader and plugging into a PC? Windows will auto-detect and repair a lot of file system errors if you let it. See also this previous question.
Have you tried removing your SD card, putting it in a SD card reader and plugging into a PC? Windows will auto-detect and repair a lot of file system errors if you let it. See also this previous question.