i just bought a new d7000 3,.. then in first running that camera.. i put the sandisk memory card..then format it...then i shoot picture for 3 to 5 ..after that i cannot shoot.. the meter shown "NO MEMORY CARD"..then i pull out the memory card..n put it again.. it's ok.. then shoot 3 to 5 picture it's happen again.. i dont know iit happen from camera or SD card... please!! if anybody have answer!! it is posible or not if the problem comes from camera??? beacause i just bought couple's day..