5B21B79341 - Lenovo Laptop Motherboard - Genuine

This Lenovo Laptop Motherboard (5B21B79341) is a genuine Lenovo spare part designed for specific Lenovo notebook models. Compatible with a range of Lenovo laptops, this motherboard serves as the central hub for communication between all of a computer's components, including the CPU, memory, and connectors for input and output devices. Also known as the "system board" or "mainboard," it's critical for ensuring your laptop operates effectively. If your Lenovo laptop is experiencing problems booting, random shutdowns, or issues with peripheral devices not being recognized, it might be time to replace the motherboard. Before deciding to purchase this replacement part, please check your laptop’s model number to confirm compatibility.

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