게임할 때 온도가 70도 이렇게까지 올라가고 자주 다운이 되어서 컴퓨터를 청소하고 싶은데요

여기저기 찾아보니까 쿨러를 뗐다가 써멀구리스라는걸 이용해서 다시 붙여줘야 한다고 하네요

써멀만 잘 도포해도 온도 확내려간다고도 하고요 

근데 제가 저게 없어서 사야되는데 혹시 없어도 청소 가능한가요??

쿨러 안떼고 먼지만 제거하는..?그런거요ㅜㅜ 제가 컴퓨터 프로그램 게임 이런 것만 할 줄 알지 분해같은 건 한 번도 안해봐서 무서워서요..

괜히 잘못 건드렸다가 컴퓨터랑 영원히 안녕할까봐..  질문드립니다 좋은하루되세요