The NVIDIA GeForce Go 7400 is a mobile graphics card (GPU) from NVIDIA, primarily designed for use in laptops. It was part of the GeForce Go series of GPUs and was often found in laptops from the mid-2000s. The driver for this GPU allows it to interface properly with your Windows operating system, enabling optimal graphical performance, such as rendering images, videos, 3D games, and applications that require GPU acceleration.