Ask HN: What is going on with Google Chromecast?

[herodoturtle]

Ours stopped working yesterday out of the blue (we couldn't stream to it). I thought it was broken. Tried a factory reset, and following all instructions on Google Home, all to no avail.

Checked out Reddit and it turns out lots of folks are experiencing the exact same issue across the world. It all started a couple days ago.

Anyone have any idea what's up?

[OhMeadhbh]

It's an expired intermediate certificate in the chain of the device certificate.

https://old.reddit.com/r/Chromecast/comments/1j7lhrs/the_chr...

and

https://www.theregister.com/2025/03/10/google_chromecast_out...

[ChrisArchitect]

Discussion over the last few days:

https://news.ycombinator.com/item?id=43312334

https://news.ycombinator.com/item?id=43319881

[thorin]

I managed to temporarily fix my casting from android phone to TV today by fdroid activity manager to ignore certificates for casting using some instructions I found online. It's working well now.

[wnevets]

this taking so long to fix is bizarre.

[appleorchard46]

Tldr: certificate expiration. See [0] for details and fixes.

[0] https://mensfeld.pl/2025/03/bringing-your-chromecast-back/

[herodoturtle → appleorchard46]

Thank you!

Love HN.