After seeing others have varying degrees of success I factory reset and
tried logging in again. Setup with the Home App didn't work, but I was
able to setup manually with an alternate Google account and update the
Chromecast. After doing the update I...
I've tried to do the setup with the Voice remote on the TV and that
fails too while doing 2-step verification saying the code from g.co/SC
is invalid. I attempted several times with new codes and after factory
resetting the Chromecast.
I've now also tested setting up my Chromecast with the Home app on
another Android phone and with the Home app on a Chromebook and had the
same failure.
I've got Google Wifi (AC-1304) mesh. The device I'm having an issue with
is a Chromecast with Google TV. It's been working fine for months and
after a recent Google password change I assumed it wanted to
reauthenticate, but it failed when doing the s...
I have the same issue. I've followed all the suggested steps and
continually get the "couldn't authenticate Chromecast" error. When
trying manual setup with the remote it fails on 2-step verification
saying the code from g.co/SC is invalid.
