Schematic in PDF form labelled CADIZ-CP, which appears to be a board or project code name; no brand, model or revision is stated in the name. Such code names are often used internally by laptop ODMs, so identify the target board by its PCB markings before using it. Once matched, the sheets help trace power rails, locate the source of a short, follow enable and power-good signals and read component values. Any PDF viewer opens it, and text search makes finding net names and reference designators quick.
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 @cyberlanelectonik. 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.