The drivers will not be active until the system kernel is reloaded. How do I install the Nvidia drivers? - Ask Ubuntu

You can choose between installing the system-recommended driver or a specific version.

Before installing any drivers, you must identify your hardware to ensure you select the correct version.

Ubuntu Install Nvidia Drivers — Apt Get

The drivers will not be active until the system kernel is reloaded. How do I install the Nvidia drivers? - Ask Ubuntu

You can choose between installing the system-recommended driver or a specific version.

Before installing any drivers, you must identify your hardware to ensure you select the correct version.