One day i checked my R4 and it said "could not find sd/tf card" or something like that, when i knew the card was in the r4. i blew on the card to make sure nothing was blocking it, and it still didnt work. i put it in the computer to see what was wrong, and for some reason the card reverted to its pre-format state. now it says i have to format it before i can use it. the last time i backed it up was a month ago, and i have clocked a lot of time into pokemon black, but all the data recovery programs i have tried have failed me. is the only option to start over?