Schematic PDF of about 1.59 MB named LA46-Dis, where Dis most likely indicates a discrete graphics variant of the design. The name does not give a brand, model or full board number, so treat it carefully and confirm the code printed on your PCB matches the document's title block. Discrete and integrated versions of a board often differ in the GPU and VRAM power sections, which matters when tracing rails. Open it in a PDF reader to follow power paths, read signals and identify component values.
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 @alischematics. 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.