If you can't connect to your Chromecast dongle device, can you please check over the following: ·
- Double check that your device/TVNZ+ app are both fully updated.
- Double check that your device and Chromecast dongle are both on the correct network.
- Try uninstalling then reinstalling your TVNZ+ app.
- Try resetting your Chromecast.
- Double check that you have a strong internet connection when trying to access TVNZ+. You can test that here