Open terminal, type:

sudo update-alternatives --config x-session-manager

Type the number of the desired GUI and press “Enter” (a numbered list of the installed interfaces will appear)

reboot.

Your pi should boot on the selected GUI for now on!

startxlxde-pi (기본): 뭔가 System UI 가 자꾸 에러가 나서… 변경

Gnome: 실행 실패

xfce4-session: 잘 연결됨