어제부터 화면이 아예 안떠서 다음날 해보면 되겠지 하고 오늘 다시 해보는데 여전히 안나와요 ㅠㅜ컴퓨터도 안꺼지고 ..어떻게 해야할까요? 해외라 LG수리센터 가기가 좀 어려울꺼같은데..방법없나요?