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If your TV has a USB port, you can use it to power the Chromecast. Otherwise it will need to be plugged into the wall. Use the INPUT or SOURCE button on your remote to switch. The HDMI port you connected your Chromecast to should be labeled for easy identification. Your Android device will need to be on the wireless network that you intend to set up your Chromecast on. To switch or select a wireless network, open the Settings app, tap Wi-Fi, and then tap your home network. Newer Android devices will automatically enter the Wi-Fi password from your Android settings. If you're using an older device, you'll need to enter it manually. Once you're connected, you can use compatible apps like Netflix and Hulu to play video and music on your Chromecast. Tap the Chromecast button in the app and then tap your Chromecast name to begin playing content. Make sure your Android device is connected to your home wireless network, not the special network your Chromecast created during setup.
Connect the Chromecast's USB cable to your TV or a wall adapter. Turn on your TV. Switch to the HDMI input the Chromecast is connected to. Connect your Android device to your home wireless network. Tap the Play Store app on your Android. Type Google Home into the Search bar. Tap Google Home in the list of apps. Tap the Install button. Tap the Open button after the app installs. Tap Devices. Tap Allow when prompted for location access. Tap your Chromecast in the list. Tap Set Up and wait for the Chromecast to connect. Confirm that the code on the TV matches your app. Type a new name for the Chromecast. Tap the Wi-Fi network you want to connect the Chromecast to. Use apps to cast content to your TV.