You can turn your TV on and off using your voice and Google smart speaker or display.
Tip: This feature may not be supported in your region.
What you need
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Chromecast connected to a smart speaker or display. Learn how to link TVs to speakers and displays.
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TV that supports HDMI-CEC with Consumer Electronics Control (CEC) turned on.
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Common TVs that support CEC: AOC, Hitachi, Insignia, ITT, LG, Magnavox, Mitsubishi, Onkyo, Panasonic, Pioneer, Philips, Samsung, Sharp, Sony, Sylvania, Toshiba, and Vizio.
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CEC is often turned off by default. Typically, you can turn on CEC in the TVs settings. The location of CEC settings varies depending on the TV.
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If you're not sure if your TV supports CEC, or how to turn on CEC, consult the TV manufacturer.
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Tips:
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Plug your Google streaming device into a wall outlet or other power source so your device remains on when you turn the TV off. If you plug your streaming device into the TV USB port, it’ll turn off along with your TV and won't respond to your voice commands.
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If your streaming device is connected to a soundbar or AVR, turn on CEC on that device.
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Make sure your streaming device is running on the latest firmware. Learn how to check your streaming device firmware version.
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Check if your TV firmware is current.
Use voice commands to control your TV
If you use Gemini for Home voice assistant
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To do this: |
Say "Ok Google" or "Hey Google," then: |
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Turn on TV |
“Turn on my TV” “Turn on the TV” “Turn on my [device name]” “Turn on the [device name]” “Power on my TV” “Power on the TV” “Power on my [device name]” “Power on the [device name]” |
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Turn off TV |
“Turn off my TV” “Turn off the TV” “Turn off my [device name]” “Turn off the [device name]” “Power off my TV” “Power off the TV” “Power off my [device name]” “Power off the [device name]” |
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Set time limits on your entertainment |
"Turn off the TV in 10 minutes." |
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Set your home just the way you want it |
“Dim the lights, set the temp to 72°, and turn on the TV.” |
If you use Google Assistant
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To do this: |
Say "Ok Google" or "Hey Google," then: |
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Turn on TV |
“Turn on my TV” “Turn on the TV” “Turn on my [device name]” “Turn on the [device name]” “Power on my TV” “Power on the TV” “Power on my [device name]” “Power on the [device name]” |
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Turn off TV |
“Turn off my TV” “Turn off the TV” “Turn off my [device name]” “Turn off the [device name]” “Power off my TV” “Power off the TV” “Power off my [device name]” “Power off the [device name]” |
Tips and tricks to turn your TV on and off
- When you turn off a TV, content will stop casting to that TV. If you're playing content on other sources, that content will remain playing.
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If you've linked more than one TV to your speaker or display, you'll need to include the TV you're controlling in every voice command. For example, "Hey Google, turn on [device name]."
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To avoid saying the TV name each time, you can set your media playback device and your commands will always control that device. Learn how you can set your media playback device.
Troubleshoot voice command issues
If voice commands aren’t working, especially if they've worked before, try these steps:
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Make sure that your Chromecast and Google TV Streamer firmware version is updated. Learn how to check your streaming device firmware version.
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Make sure your TV's firmware is updated by checking the TV user manual. You may also contact your TV manufacturer to verify.
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Make sure CEC is turned on. For some TVs, adjusting certain settings can turn off CEC automatically.
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Switch the streaming device to a different HDMI port.
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Unplug the TV, wait 10 minutes, and plug it back in.
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Use a different voice command.
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If you’ve turned the TV on or off repeatedly during a short period of time, the voice commands may briefly stop working. Wait about 10 minutes before trying again.