Perform the following steps if Google Assistant voice commands don't work as expected on your Pixel Tablet.
Important: To dock your Pixel Tablet or use Hub Mode, you need a Charging Speaker Dock. You can purchase the Pixel Tablet with or without a dock, or purchase a dock separately.
Use the same account for Assistant and Google Home
Make sure the Google Account you used to set up your Pixel Tablet is the same account used to set up the Charging Speaker Dock in the Google Home app 
Option 1: Change the account linked to your Charging Speaker Dock
- Open the Google Home App
- Tap your profile photo or initial
switch to the account you used to add the Charging Speaker Dock to your home.
- Tap Settings
Learn how to remove devices from your home. - Tap your profile photo or initial
- Add the Pixel Tablet and Charging Speaker Dock to your home.
Learn how to add devices to your home.
Option 2: Change your Pixel Tablet account
- Open your device's Settings app
.
- Tap your profile photo or initial
- Choose your Assistant in Hub Mode settings and link any media services you want to use:
Option 3: Factory reset your Pixel Tablet and Charging Speaker Dock
If you need to use different accounts
If you need to use different accounts for Google Assistant and Google Home, make sure:
- The account you used to set up your Pixel Tablet is able to access the Charging Speaker dock when you sign into it with the Google Home app
- The account used to set up the Pixel Tablet is the same account used to link media services on the tablet.
Troubleshooting issues with Gemini and Assistant
If you downloaded the Gemini mobile app and set up Gemini as your primary assistant on the Pixel Tablet and Assistant voice commands aren’t working as expected when your tablet is locked or in Hub Mode, please file feedback directly in the Gemini mobile app.
If you would like to switch back to the Google Assistant as the default assistant, follow the steps here.