Carrying only the code 112cnq030a, this 193 KB PDF is catalogued as a schematic yet mentions no laptop, board number or revision. The string resembles a dual Schottky rectifier part number with a voltage suffix and letter variant. Expect electrical ratings, characteristic curves and an outline drawing. Open it with any PDF reader. Before fitting a substitute, check the full marking including the trailing letter and confirm the package, pinout and current rating suit the circuit being repaired.
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.