code: def _force_force_on_start(self):
          
          if self.force_on_start in self.available_combinations:
              self.displayed = self.force_on_start
              self._choose_what_to_display(force_refresh=True)
              self._apply(force=True)
              self.py3.update()
          self.force_on_start = None
docs: Force the user configured mode on start.