Ubuntu 20.04 Shows Your OEM's Logo on the Boot Screen - OMG! Ubuntu!
boot - Gnome broken splash screen - Ask Ubuntu
Install Mac OS X boot-up splash screen theme in Ubuntu 10.04 - Ubuntu Sharing
Setup Bootsplash on Ubuntu/Debian – grub silent or verbose boot mode -
How To Change Ubuntu Boot Splash Screen In Plymouth? - Fosslicious
How to Install Plymouth System Boot Theme on Ubuntu 20.04 - linuxcool.ru
boot - Splash screen doesn't have Ubuntu logo - Ask Ubuntu
Fix for Ubuntu 19.10 stuck on splash screen | nezhar.com
GitHub - michalpajtinka/Ubuntu-boot-splash-colour-change: How to change purple Plymouth boot screen to any colour you like (you can also change boot screen logo).
How To Change Ubuntu Boot Splash Screen In Plymouth? - Fosslicious
HOWTO] Change Ubuntu Pink/Purple Plymouth Boot screen to any color you like – The _khAttAm_ Blog