Schematic in PDF form identified only by the number 10A80, which reads like a board or project code but names no brand, model or revision. At 278 KB it is a small document, possibly a partial diagram or a few pages rather than a full laptop set. Open it in any PDF viewer and compare the code with the silkscreen on the board before relying on it. Once matched, it can help trace power rails, follow signal paths and identify component values around a fault such as a short or a missing voltage.
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 @afsschematicfree. 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.