A repair software package (board LA-E791P, LA-E801P). Shared as “SKB LA-E791P LA-E801P boardview.exe” — a .exe file, 2.64 MB.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @laptopchiplevelexpert. Enginerys does not host this file.