5B20W77426 - Lenovo Laptop Motherboard - Genuine

This Lenovo Laptop Motherboard (5B20W77426) is a genuine part designed specifically for Lenovo laptops. It ensures seamless compatibility with Lenovo brand devices. Commonly referred to as a 'system board' or 'mainboard,' this motherboard serves as the central hub for communication between all of the computer's components, enabling the functions of your laptop.

If you're experiencing issues like the laptop not powering on, freezing during use, or you're unable to install new software or operating systems, it might be time to consider a replacement. Such symptoms suggest a failure in your laptop's motherboard, which is critical for the overall operation of your device.

Before purchasing, we highly advise checking your device's model number to ensure compatibility with this part.

iFixit is an official Lenovo partner. Our Genuine Lenovo parts are supplied by the official Lenovo supply chain.