After installing ubuntu 18.10 I get the loading splash screen followed by a black screen and a blinking cursor. I believe it's because the latest nvidia drivers (418.43) that are needed for the 1660ti haven't been added to the repro yet and need to be manually installed.
When I tried Mint 19.1 I could get to the desktop and there was a warning message about the DE running in software mode. However, I was unable to install nvidia-settings because of some missing dependencies and then dpkg problems.
How can I get Ubuntu to boot into the DE so I can download and install the driver manually?