Google Nest Community

Well, you'll have to put them back.1. On the google home app, put your device back to the original home2. Then set it back in the room it was before.3 . Google will link your account to that device.4. In the next step tap on the device on your google...

Here from Canada is going pretty fast.In case you factory reset your try the @johnnyzero2 how to here on this chat.

Olà, apos colocar meu chromecast devolta no googlehome app usando o procedimento do @johnnyzero2.Em menos de 24h o chrome cast recebeu a atualizaçao e voltou ao normal.Nao sei se muda alguma coisa eu send aqui da America do norte.

My second chromecast is working now thanks to johnnyzero2 

The solution is here > Look at the link that johnnyzero2 posted.https://www.googlenestcommunity.com/t5/Streaming/Regarding-an-issue-with-Chromecast-2nd-gen-and-Chromecast-Audio/m-p/694895/highlight/true#M71946