HDD하드하나가 잡히지 않길래 컴퓨터를 끄고 컴퓨터를 청소 했는데 비프음이 들립니다 cpu 그래픽카드 파워 다 작동 하는데 삐~~하는 소리가 길게 15~16번 나고 꺼진 후 다시켜지기를 반복하네요 하드 전원케이블을 잘못끼웠나 싶어서 다른것에  꼽아봐도 소용이 없고 어제 밤에 벌어진일이라 씨끄럽기도 하고 오늘 출근도 해야해서 그냥 잤는데 이런경우 어떻게 해야하는지 아시는 분 있으신가요?