After a failed attempt to install KDE Neon on an old laptop (interrupted install by unintentional power down), I find that the laptop will no longer boot. Prior to the attempted install KDE Neon was already present, but I wanted to reinstall because of a problematic automatic update. I formatted the intended install disk with GParted, so there is no worry about the old OS install still being there or saving any data on this disk. When I say it...
Originally asked by babelproofreader on Stack Exchange (superuser) (CC BY-SA 4.0).