듀얼모니터 쓰다가 다시 모니터 하나만 쓸라고 다른모니터 뺀거밖에 없는데 이러네요
내장그래픽에 연결한것도 아니고 모니터에 불은 들어와요 카톡로그인했다고 카톡도 오는데 이거 왜이러져