PDF circuit diagram, 730 KB, for the Quanta VM5 laptop board, with no revision given in the name. A revision 3A copy also exists, so compare the details carefully and check the revision silkscreened on the board to see which document fits your unit. Typical bench use covers following the charger and system power stages, checking clock and reset signals, reading connector pinouts and identifying components on a short. The name lists no brand or chipset, so confirm the platform from the hardware.
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 @abgm_manutencao_esquemas. 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.