cd넣을 일이 생겼는데 저DVD써있는게 cd룸인거같긴 한데 아래 버튼을 아무리 눌러도 안나오네요;;;그냥 장식인가 싶을정도로 버튼으로는 반응이 없고 혹시 cd룸이  있는지 확인하는방법이나 컴퓨터상에서 cd룸 꺼내는 명령어가 있다면 알려주세요ㅠㅠ