Set up your Chromecast device (3rd gen or older)

The Google Home app walks you through the steps for Chromecast and Chromecast Ultra setup.

If you've already set up your Chromecast on a mobile device, you don't need to set it up again on a different mobile device if all devices are on the same Wi-Fi network.

Tap for an interactive guide

Important: Chromecast setup on a computer is not supported. To set up your Chromecast, use a mobile device.

What you need to get started

  • A Chromecast device (3rd gen or older)
  • A Google Account
  • A display device with an HDMI input, such as a high-definition television (HDTV)
  • An Android phone or tablet with Android 9.0 or later that supports a 5 GHz connection
  • Access to a secure wireless network, with the password available

Important: Availability and performance of certain features, services and applications are device- and network-dependent, and might not be available in all areas. Subscription(s) may be required, and additional terms, conditions and/or charges may apply.

Set up Chromecast or Chromecast Ultra

  1. Plug in your Chromecast.
  2. Open the Google Home app Google Home app.
  3. Tap Devices Add Google Nest or partner device Google Nest or partner device.
  4. Follow the steps.
  5. Setup is successful. You're all done!

Troubleshoot setup

If setup didn't work, try the following steps:

  1. Reboot your Chromecast.
  2. Unplug your router, then plug it back in.
  3. Connect manually to your Chromecast's service set identifier (SSID).
    1. Open your phone's Settings app and then tap Wi-Fi and then connect to the Chromecast SSID.
    2. Open the Google Home app and try to set up your device again.
  4. Factory reset your Chromecast.
  5. Contact support.

Note: Support for Chromecast (1st gen) has ended, which means it no longer receives software or security updates, and Google doesn't provide technical support. Users might notice a degradation in performance.

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