5B21B64238 - Lenovo Laptop Motherboard - Genuine

This Lenovo Laptop Motherboard (5B21B64238) is a genuine part for Lenovo laptops, ensuring compatibility and optimal performance with your device. It serves as the laptop's main circuit board, connecting all other components such as the CPU, RAM, and storage devices, enabling your laptop to function. Also known as the "main board" or "system board," it's an essential component if you're experiencing issues with booting up, random freezes, or hardware connectivity. Symptoms that may indicate the need for a new motherboard include failure to power on, system instability, and problems recognizing connected hardware. Before purchasing, double-check your laptop's model number to ensure compatibility with the 5B21B64238.

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