5B20S43070 - Lenovo Laptop Motherboard - Genuine

This Lenovo Laptop Motherboard (5B20S43070) is a genuine part compatible exclusively with Lenovo devices. It's also known as 'GS340 MB MB L 81XA WIN I510210U UMA 16G,' catering to specific model requirements. As the heart of your laptop, the motherboard plays a crucial role in communication between the processor, memory, and other peripherals, ensuring smooth operation and coordination across your device. If you're experiencing issues like your laptop failing to boot, frequent crashes, or peripheral components not functioning as expected, it might be time to consider replacing the motherboard. Before purchasing, please confirm that your laptop's model number matches this part to ensure compatibility.

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