Lm495 Mb 11269-2 Schematic Download Fixed [portable] Review
For those performing a physical replacement or deep repair, Lenovo provides several official tools and guides: LENOVO M495 AMD LM495 MB 11269-2
Check the DC Jack and the first two MOSFETs near the power input. Without the schematic, you won't know the exact gate voltage required to open these chips. Lm495 Mb 11269-2 Schematic Download Fixed