Problem solved :) !Adding a .desktop file in .config/autostart with the following content does the trick:
[Desktop Entry] Encoding=UTF-8 Name=Power Comment=Power Manager Exec=lxterminal --command "xfce4-power-manager" Terminal=true
Problem solved :) !Adding a .desktop file in .config/autostart with the following content does the trick:
[Desktop Entry] Encoding=UTF-8 Name=Power Comment=Power Manager Exec=lxterminal --command "xfce4-power-manager" Terminal=true