Erstassi funktioniert nun einwandfrei. Aber:
Beim Aufrufen von Einstellung - Sytem - Benutzeroberfläche nochmal whitescrenn mit folgendem Fehler:
Spoiler: 
Traceback (most recent call last): File "/usr/lib/enigma2/python/Components/ActionMap.py", line 65, in action
File "/usr/lib/enigma2/python/Components/ActionMap.py", line 46, in action
File "/usr/lib/enigma2/python/Screens/Menu.py", line 54, in okbuttonClick
File "/usr/lib/enigma2/python/Tools/BoundFunction.py", line 9, in __call__
File "/usr/lib/enigma2/python/Screens/Menu.py", line 78, in openSetup
File "/usr/lib/enigma2/python/mytest.py", line 254, in openWithCallback
dlg = self.open(screen, *arguments, **kwargs)
File "/usr/lib/enigma2/python/mytest.py", line 264, in open
dlg = self.current_dialog = self.instantiateDialog(screen, *arguments, **kwargs)
File "/usr/lib/enigma2/python/mytest.py", line 201, in instantiateDialog
return self.doInstantiateDialog(screen, arguments, kwargs, self.desktop)
File "/usr/lib/enigma2/python/mytest.py", line 224, in doInstantiateDialog
dlg = screen(self, *arguments, **kwargs)
File "/usr/lib/enigma2/python/Screens/Setup.py", line 101, in __init__
File "/usr/lib/enigma2/python/Screens/Setup.py", line 74, in refill
File "/usr/lib/enigma2/python/Screens/Setup.py", line 130, in addItems
File "<string>", line 1, in <module>
File "/usr/lib/enigma2/python/Components/config.py", line 1695, in __getattr__
KeyError: 'boolean_graphic'
/usr/bin/enigma2.sh: line 55: 1078 Killed LD_PRELOAD=$LIBS /usr/bin/enigma2