PDF document named after the AON7466, which looks like a part number for an Alpha and Omega power MOSFET, though the catalogue lists it as an Acer schematic. The file is 328 KB, and the name carries no model, board number or revision, so open it to confirm whether it is a component datasheet or a circuit diagram. A MOSFET datasheet helps check pinout, voltage ratings and a suitable replacement when a switching transistor fails short. It opens in any PDF reader.
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 @boardviewarchive. 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.