https://908labo.com/2017/11/11/%e5%af%8c%e5%a3%ab%e9%80%9a-lifebook-fmv-645nu6cx-%e5%88%86%e8%a7%a3-disassemblyhow-to-video/
富士通 LIFEBOOK FMV-645NU6C/X 分解 (disassembly,How-to video)