Migrating from Windows

When I had this problem i did this to fix:1) Insert SD Card to your PC2) Copy the enitre contents just as it is to a folder on your DESKTOP, name it umm NDS3) Full Format the memory card (optional) or just make sure its fully empty4) Copy the contents of the desktop folder back into the flashcard SD Card5) This should have fixed any fragmentation and found any problems if there was anyif you get any errors about reading, writing or excessive slowless, do the full formatbefore you copy the files back. When I had this problem i did this to fix:1) Insert SD Card to your PC2) Copy the enitre contents just as it is to a folder on your DESKTOP, name it umm NDS3) Full Format the memory card (optional) or just make sure its fully empty4) Copy the contents of the desktop folder back into the flashcard SD Card5) This should have fixed any fragmentation and found any problems if there was anyif you get any errors about reading, writing or excessive slowless, do the full formatbefore you copy the files back.