graphical issues

I've recently installed Debian on a fresh system with a new SSD but it has stopped being usable, now I can only reach the login screen which is 50% white. The screen flickers to fully white when I move the mouse and on login the screen goes fully black (no signal to the monitor). I can access...

Hello, I've upgraded to Ubuntu 22.04.1 LTS and everything is broken... I am running Kubuntu on HP Zbook Firefly 14 G7 since previous codename, but this jammy... First of all there isn't normal update center for other drivers in so called "Discover". And Discover window was freezing for me! I...