There have been several threads about this topic, notably:
My situation is similar. I have been using my Arris G36 + Xfinity since January 2022. Within the past year, I have had to do more frequent reboots and the connection would drop somewhat regularly. However, two days ago, the internet stopped working. I reset the modem, and now there is only a solid orange LED light.
I contacted Xfinity who helped me attempt a second activation and install a “software update”. However, this didn’t fix anything. I know its not a problem with the coaxial or Xfinity because Xfinity gave me a different modem that is working.
I just missed my product’s warranty window which was March 2024. I am fairly upset that I paid $300+ for this modem that is lasting barely 2 years.
Has anyone been able to successfully recover a modem from this state?