## Components - **CPU**: Placeholder for CPU information - **Memory**: Placeholder for memory specifications - **Interfaces**: Placeholder for interface details
: Ensure the main power rail (typically 19V) is present. On this board, common points of failure include the charging IC ( BQ25A/BQ24725A ) and input MOSFETs like the AON6428 .
What is the board showing (e.g., no LEDs, blinking light)? Which voltages have you already confirmed are present?
Technical Analysis and Schematic Review: BDL51 Lad711p Rev 30 Control Architecture