The file name gives just the code 122NQ030 for this 97 KB PDF in the schematic category; no laptop model, board number or revision is mentioned. The format matches part numbers of high-current Schottky rectifiers, with the suffix likely denoting a voltage grade, so expect ratings, curves and an outline drawing. Open it in any PDF viewer. Before swapping a part based on this sheet, compare the printed marking, package and terminal layout, and confirm the current rating suits the circuit.
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.