Boardview archive for the Quanta motherboard DA0HK9MB6D0, with the revision letter D included in the board number. A boardview maps component outlines, pins and net connections across both sides of the PCB, letting a technician find test points, trace a rail to its source and locate a shorted capacitor quickly. Open the extracted file with OpenBoardView, FlexBV or a similar viewer. The laptop model is not given, so match the board number on the PCB, and use a schematic alongside for circuit-level detail.
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 @schematiclaptopramkushwaha. 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.