Display manager is a graphical login manager which starts a session, simply asks username and password to login desktop. This is guide howto switch/change display manager easily on Fedora 35/34/33. On Fedora you can choose example GDM (Gnome Display Manager), SDDM (Simple Desktop Display Manager), LXDM (LXDE Display Manager), LightDM, KDM (KDE Display Manager), XDM (X Display Manager). Run this guide commands as root user or using sudo.

1. Howto Switch Display Manager on Fedora in General

1.1 Install Display Manager

dnf install [display manager]

1.2 Disable Old Display Manager

systemctl disable [old display manager]

1.3 Enable New Display Manager

systemctl enable [new display manager]

1.4 Reboot

reboot

2. Howto Switch to GDM Fedora – Gnome Display Manager

This is Fedora’s default display manager so many times it’s already installed.

dnf install gdm

systemctl disable sddm # or kdm, lxdm, lightdm, xdm

systemctl enable gdm

reboot

GDM on Fedora 29

3. Howto Switch to SDDM Fedora – Simple Desktop Display Manager

SDDM is the successor of the KDM.

dnf install sddm

systemctl disable gdm # or kdm, lxdm, lightdm, xdm

systemctl enable sddm

reboot

SDDM on Fedora 29

4. Howto Switch to LXDM Fedora – LXDE Display Manager

Lightweight X11 Desktop Environment (LXDE) default display manager.

dnf install lxdm

systemctl disable gdm # or kdm, sddm, lightdm, xdm

systemctl enable lxdm

reboot

LXDM on Fedora 29

5. Howto Switch to KDM Fedora – KDE Display Manager

K Desktop (KDE) old display manager.

dnf install kdm

systemctl disable gdm # or lxdm, sddm, lightdm, xdm

systemctl enable kdm

reboot

KDM on Fedora 29

6. Howto Switch to LightDM

Lightweight, modular, cross-desktop, fully themeable desktop display manager by Canonical Ltd.

dnf install lightdm

systemctl disable gdm # or lxdm, sddm, kdm, xdm

systemctl enable lightdm

reboot

LightDM on Fedora 29

7. Howto Switch to XDM Fedora – X.Org X11 xdm

Old School, Classic X Display Manager

dnf install xorg-x11-xdm

systemctl disable gdm # or lxdm, sddm, kdm, lightdm

systemctl enable xdm

reboot

XDM on Fedora 29