5B21C99655 – Lenovo Laptop Motherboard – Genuine

This Lenovo Laptop Motherboard (5B21C99655) is a genuine part manufactured by Lenovo specifically designed for Lenovo laptops. Also known as a system board or mainboard, it’s the crucial component that houses the CPU, RAM, and other integral hardware, facilitating communication between them for optimal laptop performance. If your Lenovo laptop is experiencing issues such as failing to boot, frequent crashes, or overheating, it might indicate a motherboard failure. To ensure the compatibility of this motherboard with your laptop model, please verify your device’s model number before purchasing.

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

This OEM part may be new or refurbished by Lenovo. Lenovo Certified Refurbished products are extensively screened, repaired, tested, and cleaned to high Lenovo standards, but may contain cosmetic imperfections.