Ubuntu 17.04 assistance
Ubuntu 17.04 assistance
The display quality was ideal with Ubuntu 16.04 installed. No additional drivers were required.
Open the terminal, run "sudo apt-get install mesa-utils", exit and then log back in.
It seems best to revisit version 16.04. I wouldn't upgrade before 18.04 unless necessary. https://www.ubuntu.com/info/release-end-of-life
Ubuntu 17.04 is a stable release with only nine months of support, ending at year-end. In contrast, 16.04 offers long-term support for five years, until early 2021.
If it's Nvidia, open the CLI using ctrl+alt+F1 and remove all Nvidia drivers with sudo apt-get purge nvidia*. Then install the latest drivers via sudo apt-get install nvidia-<driver number>. Set them to Hold so automatic updates won't interfere. Finally, use sudo apt-mark hold nvidia-<same driver number> for stability.