Quanta motherboard boardview for board DAG7HGMB8B0, a 488 KB RAR archive. The code follows Quanta's DA plus project plus MB pattern, with G7H as the project code and the closing characters giving the PCB revision. No laptop brand is named, so match the code on the PCB carefully. A boardview lets you find components by designator, highlight every pad on a net and locate test points for rail measurements and short hunting. Common tools to open it are OpenBoardView, FlexBV and BoardViewer.
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 @BoardSchematic. Enginerys does not host this file.
How to open a .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.