A schematic tells you what connects to what . A tells you where that component sits physically on the motherboard.
You might wonder: Is downloading a schematic illegal? HP holds the copyright to these documents as proprietary trade secrets. However, in the consumer electronics repair community, sharing schematics for the purpose of fixing a device you own falls under (Right to Repair). Technicians use them strictly for diagnosis, not for mass production of clones.
What is the laptop showing (e.g., blinking caps lock, no power, or liquid damage)?