PDF schematic covering the Quanta GC3A motherboard, file size about 4.02 MB. Beyond the Quanta project code the name gives nothing else: no revision, board number or brand of the finished laptop, so check the PCB identification yourself. Repair work with such a document includes tracing the main and standby power rails, checking enable and power-good signals in the startup sequence and looking up component values for replacement. Open it in any PDF reader, ideally next to a boardview for the same project to locate parts on the board.
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 @pepeelectronica. 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.