- The DC IN POWER JACK CABLE for Lenovo C340 C440 All-In-One 6017B0390701 is an essential replacement part for repairing a damaged or malfunctioning power jack on your Lenovo all-in-one computer. - This cable is specifically designed for Lenovo C340 and C440 models, ensuring compatibility and optimal performance. - The durable construction and high-quality materials ensure long-lasting reliability, while the easy installation process minimizes downtime. - The cable features a compact and flexible design, making it convenient for maneuvering and connecting to the motherboard. - Additional features include reverse polarity protection, ensuring safe and efficient power delivery to your computer.