A factory reset returns the settings of your Chromecast or Google TV Streamer device to its default factory settings.
Note: This action clears your data and can't be undone.
You can perform a factory reset on your Google streaming device with any of the following methods:
Google TV Streamer (4K)
With the Google TV Streamer Voice Remote
- At the top right of your TV screen, select your profile
All settings
.
- Select System
All settings 
.From the Google TV Streamer device
- While the device is plugged into the TV and powered on, press and hold the button for 10-12 seconds on the back of the device. The LED should start to blink yellow
.
- When the LED light turns solid white, release the button, and the device should then reset.
Chromecast with Google TV
With the Chromecast Voice Remote
- At the top right of your TV screen, select your profile
- Select System
From the Chromecast device
- While the Chromecast is plugged into the TV and powered, press and hold the button on the back of the Chromecast. The LED should start to blink yellow.
- When the LED light turns solid white, release the button, and the Chromecast should then reset.
Chromecast (2nd gen), Chromecast (3rd gen), or Chromecast Ultra
From the Google Home app
Note: This option is only available if you're on the same network your Chromecast was set up on.
- Open the Google Home app
.
- Tap and hold your device's tile.
- At the top right, tap Settings
More
.
More 
From the Chromecast device
- While the Chromecast is plugged into the TV and powered, hold down the button on the side of the Chromecast.
- The LED should begin to blink orange. When the LED light turns solid white, release the button and the Chromecast should then restart.
Chromecast (1st gen)
From the Google Home app
Note: This option is only available if you're on the same network your Chromecast was set up on.
- Open the Google Home app
- Tap and hold your device's tile.
- At the top right, tap Settings
From the Chromecast device
- While the Chromecast is plugged into the TV and powered, hold down the button on the Chromecast device for at least 25 seconds or until the solid LED light flashes red.
- Once the LED light blinks white and the TV goes blank, release the button. The device should then restart.
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 may notice a degradation in performance.
Chromecast Audio
From the Google Home app
- Open the Google Home app
- Tap and hold your device's tile.
- At the top right, tap Settings
From the Chromecast Audio device
While the Chromecast Audio is plugged in, hold down the button on the side of the Chromecast Audio. The LED will begin blinking orange. When the LED light turns white, release the button and the Chromecast Audio will begin the reboot sequence.