A schematic diagram for HP hardware (board DAW05DMB6D0). Shared as “MVP HP Split 13 DAW05DMB6D0 W05D BoardView PDF.pdf” — a .pdf file, 799 KB.
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 @ShareMan_Electronic_Files. Enginerys does not host this file.
How to open a .pdf file
The standard format for schematics, block diagrams, power-sequence charts and service manuals.