
If there are, take a moment to update it. Go to the Google Play store or App Store, depending on the type of device you’re using, and make sure there aren’t any updates available for your Google Home app. One possible reason your Chromecast isn’t receiving the appropriate update is that your Google Home app isn’t up-to-date. Make sure the Google Home app is up-to-date If you’ve reset both your Chromecast and your Google Home and Google Home still can’t find Chromecast, move on the following troubleshooting tips. If the above steps didn’t work simply unplug your Google Home, wait about a minute and then plug it back in. From here click the three small dots at the top right of the screen.Then click the gear icon at the top right of the screen.

PROBLEMS WITH GOOGLE CHROMECAST SETUP DOWNLOAD
The fix should allow Chromecast to download automatically to your device and appear within Google Home. In June of 2018 Google came out and acknowledged there was an issue with Google Home finding Chromecast and supposedly issued a fix for it.

8 Devices that don’t support cast technology Troubleshooting tips when Google Home Can’t Find Chromecast
