Why does my Fedora 40 desktop choose not to display the KDE Plasma desktop?

I tried reinstalling the KDE Plasma desktop, but it still didn’t solve the problem. How to solve this problem?

How did you do that?

Did you use sudo dnf install @kde-desktop-environment or sudo dnf groupinstall "KDE Plasma Workspaces"?

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I tried it, but it didn’t work.

On F40, KDE only has a Wayland session by default. My guess is that your GDM is falling back to X11 and so it only lists X11 sessions.

Is ‘GNOME’ an X11 session? (echo $XDG_SESSION_TYPE)

What’s your GPU?


GTX 1080 Ti

i would start for more details can you provide output of inxi -G