Screen Flickering in Ubuntu - Linux, macOS and Everything Not-Windows - Linus Tech Tips
Ubuntu 21.10 Flickering. Toggling screen resolution/refresh temporarily fixes it. Any idea how to fix? : r/Ubuntu
Intense screen flickering and tearing on Ubuntu 20.04, Lenovo X1 Carbon : r/linuxquestions
Screen flickering at 4k@60hz - Linux - NVIDIA Developer Forums
Stange flickering of the whole session, and periodic dimming of the display's backlight: Acer nitro 5 (ryzen 4000 + nvidia) - Graphics & Display - Manjaro Linux Forum