Hi! I have a 3ds cfw with the luma or boot9strap using flashcart on my 3ds and i try to install the bootntrselector-fonzd-banner and when i try to run it with the games it doesn't work black screen only and when i try to remove the memory card my 3ds was ok and when i check the setting i see it with sys so there is nothing wrong on my 3ds the problem was on the card what shoul i do should i delete or format my card i dont know what to do.