5B20S72145 - Lenovo Laptop Motherboard - Genuine

This Lenovo Laptop Motherboard (5B20S72145) is a genuine part produced by Lenovo, designed specifically for Lenovo laptops. It ensures seamless performance and compatibility across a range of Lenovo devices. Known also as the 'system board' or 'mainboard,' this critical component functions as the brain of your laptop, hosting the CPU, memory, and connectivity ports, and facilitating communication between all peripherals and components. Symptoms indicating the need for a replacement motherboard might include the laptop not powering on, frequent crashes or blue screens, inability to recognize or connect to other devices, and problems with memory allocation. If you're experiencing any of these issues, it might be time to consider a replacement. Before purchasing, please verify your device's model number for compatibility.

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