5C50S73017 – Lenovo Laptop USB I/O Daughterboard – Genuine

This USB I/O Daughterboard (5C50S73017) is a genuine part for Lenovo laptops and functions as an essential internal component. Also known as an “IO Board W/FFC,” it plays a crucial role in enabling the connection and communication between the laptop’s USB peripherals and the main system. Compatible exclusively with select Lenovo laptop models, this daughterboard serves as the interface for USB devices, ensuring they can connect and operate smoothly with your appliance. Symptoms indicating the need for a replacement might include a failure to recognize USB devices, intermittent connectivity, or physical damage to the board. Before purchasing, it’s wise to check your laptop’s model number to ensure compatibility with this part.

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.