Troubleshooting the power sequence where the Caps Lock blinks (often indicating CPU or RAM power issues) .
Once the power button is pressed, the Super I/O sends a signal to wake up the remaining system rails: Memory power rail (DDR3L or DDR4). +1.0V / +1.05V PCH: System Agent and PCH core power. asl50 lac921p rev 10 schematic free
Ensure you download Rev 1.0 . Using a Rev 2.0 or Rev 0A schematic on a Rev 1.0 board can result in incorrect pin numbers or wrong component labels, which can ruin a board during live testing. Troubleshooting the power sequence where the Caps Lock
What is the laptop showing? (e.g., no power, turning on but no display, blinking LED codes) turning on but no display