Install a Display Manager (micro tut)

Install display manager

LXDM - MDM - SDDM - XDM - GDM - SDDM

sudo pacman -s lxdm

Stop and disable current display manager

sudo systemctl stop gdm.service
sudo systemctl disable gdm.service

Start the display manager you chose

sudo systemctl start lxdm.service
sudo systemctl enable lxdm.service

reboot

sudo reboot