몇일전부터 컴퓨터가 부팅될때 아메리칸메가트렌드 이창이 떠서 f1누르면 부팅됫는데 갑자기 f1을 누르면 a disk read error occurred 이렇게뜨면서 부팅이 더이상안되네요 ㅠㅠ 제가컴맹이라 포맷도 혼자서못하는데 이거 어케해야되나요 알려주시면 정말 감사드리겟습니다!