Fixes and handle missing display

openlp/core/common/settings.py

@@ -202,7 +202,7 @@ class Settings(QtCore.QSettings):
         'core/view mode': 'default',
         # The other display settings (display position and dimensions) are defined in the ScreenList class due to a
         # circular dependency.
-        'core/display on monitor': True,
+        'core/display on monitor': False,
         'core/override position': False,
         'core/monitor': {},
         'core/application version': '0.0',

openlp/core/ui/media/mediacontroller.py

@@ -138,7 +138,10 @@ class MediaController(RegistryBase, LogMixin, RegistryProperties):
         Set up the controllers.
         :return:
         """
-        self.setup_display(self.live_controller.display, False)
+        try:
+            self.setup_display(self.live_controller.display, False)
+        except AttributeError:
+            State().update_pre_conditions('media', False)
         self.setup_display(self.preview_controller.preview_display, True)
 
     def display_controllers(self, controller_type):

openlp/core/ui/media/vlcplayer.py

@@ -224,7 +224,7 @@ class VlcPlayer(MediaPlayer):
                 return False
             output_display.vlc_media = audio_cd_tracks.item_at_index(controller.media_info.title_track)
         elif controller.media_info.media_type == MediaType.Stream:
-            output_display.vlc_media = output_display.vlc_instance.media_new_location("ZZZZZZ")
+            output_display.vlc_media = output_display.vlc_instance.media_new_location('ZZZZZZ')
         else:
             output_display.vlc_media = output_display.vlc_instance.media_new_path(path)
         # put the media in the media player