7fed8270b58669f751ed87e042847373257bad9b524fb2c455638b362018b9

7fed8270b58668f051ed84e041847d73ae31cdec2b55a3d30b49e41359aa90c3

7fed8270b58668f051ee83e140857c7397abe148424474ae1f6ba1e8d73728cb

2. 파일드라이버를꽂는다