Install kubuntu-driver-manager by entering the following commands in the terminal:
sudo apt update sudo apt install kubuntu-driver-manager
Description:
Driver Manager for Kubuntu
Driver Manager provides a user interface for configuring third-party drivers, such as the Nvidia and ATI fglrx X.org and various Wireless LAN kernel modules. . This package contains the KDE frontend.
Homepage: http://quickgit.kde.org/?p=scratch/garg/kcm-driver-manager.git
Version: 15.10ubuntu4
Section: universe/kde