Replace the faulty MOSFET using hot air. Ensure the orientation mark matches the PCB silkscreen exactly. Failed BIOS or corrupted EC Firmware
Verify that the EC receives its 3.3V VCC supply, that the external crystal oscillator vibrates at 32.768 kHz, and that the EC_RST# (Reset) signal transitions from low to high. Corrupted BIOS / ME Region Firmware laptop motherboard chip level repair guide pdf
To remove and solder SMDs (Surface Mount Devices). Replace the faulty MOSFET using hot air