How to Factory Reset Chromecast, To factory reset your Chromecast, start by ensuring it's plugged into the TV and connected to the same Wi-Fi network as your device. Using the Google Home app on your smartphone or tablet, select the Chromecast device, tap on the Settings icon, and choose "Factory Reset." Confirm your action, and the Chromecast will reset to its default settings. This process is helpful if you encounter issues or if you're preparing to sell or give away your Chromecast.