If you are troubleshooting an LA-G121P board:

Need help interpreting a specific signal from your LA-G121P schematic? Consult professional repair forums with the page number and circuit name for targeted advice.

When using the LA-G121P schematic to diagnose a "no power" or "dead" HP 250 G6, these are the typical areas to check: Input Section (19V):

(from repair logs)