Samsung NP455R4JE 사용자 설명서

  If a dummy card is inserted in the multi card slot, remove it.

  Insert a memory card into the multi card slot in the indicated 

direction.

  If a pop-up message appears, choose an action.

  Select Open folder to view files.

  Save, move, or delete data on the memory card.

The memory card folder opens only on the desktop.

Grasp the end of the card and pull it out of the slot.