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

The Google Home app will walk you through the steps for Chromecast setup. This includes Chromecast and Chromecast Ultra.

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: We no longer support Chromecast setup on a computer. To set up your Chromecast, use a mobile device.

What you need to get started

• A Chromecast device (3rd gen or older).
• The latest version of the Google Home app.
• The latest version of Google app.
• A Google Account.
• A display device with an HDMI input, for example, a high-definition television (HDTV).
• A mobile device or tablet.
• A compatible mobile device or tablet that must support a 5 GHz connection to set up Chromecast on a 5 GHz connection. Note: A WPA2-Enterprise network is not supported.
• Meet the minimum Operating System (OS) requirements to run the Google Home app .
• An Internet connection.
• Access to a secure wireless network. Make sure that you have the wireless network password handy.
• Availability and performance of certain features, services and applications are device- and network-dependent and may 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. Download the Google Home appon your Chromecast-supported Android device.
3. Open the Google Home app .
4. Follow the steps.
   1. If you don’t see the steps to set up your Chromecast:
      1. At the top left of the Google Home app home screen, tap Add   Set up device  New device.
      2. Follow the remaining steps.
5. Setup is successful. You've finished!

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  tap Wi-Fi  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.