PDF schematic labelled only CQ32, which most likely refers to the HP Compaq Presario CQ32 notebook, though the name gives no board number, ODM or revision. At 689 KB it is a compact document, so check the title block on the first pages to see which board revision it describes. Technicians use such diagrams to trace power rails, measure expected voltages at test points and work out the startup sequence when a laptop shows no power. Match the PCB number printed on the board before following component references.
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 @cyberlanelectonik. 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.