After Switching from wayland to x11, my screen become blank screen

Switch to another TTY: Ctrl+Alt+F1..F6

This should still work in F41:

sudo dnf install gnome-session-xsession
busctl call org.freedesktop.Accounts \
    /org/freedesktop/Accounts/User${UID} \
    org.freedesktop.Accounts.User SetSession s "gnome-xorg"

But starting with F42 things get more complicated:

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