Laptop schematic PDF identified only by the project code M920 and the PVT tag, which normally stands for production validation test, a late pre-production design stage. No brand or board number is given, so the model must be confirmed from the drawing title block. Use it to trace power rails, follow enable signals and find components near a short. Because PVT sheets can differ slightly from mass-production boards, compare part markings and the board number on your PCB with the schematic before relying on 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.