Can you change your ati gpu to a nvidia gpu on your Lenovo laptop?

Yes, you can change your Lenovo laptop's ATI GPU to an NVIDIA GPU, but it depends on the laptop model. Many laptops have integrated GPUs or GPUs that are soldered onto the motherboard, making it impossible to replace them. If the laptop supports a modular GPU setup, you may be able to swap the graphics card, but this is rare and typically only found in high-end gaming laptops. Always check the manufacturer's specifications and warranty conditions before attempting any hardware changes.