PDF schematic, 1.15 MB, for a G430 notebook, with LE6 in the name probably referring to the board or project code, though the name does not confirm it. No brand or revision is given, so identify the actual mainboard number on the PCB and compare it with the title block inside before relying on the drawing. A laptop schematic is the main reference for tracing the DC-in and charging path, the 3V and 5V always-on rails, CPU core power, the EC power-on sequence and the location of fuses and test points when hunting a short.
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.