Chromecast updates automatically, but you can check the status and restart the device if an update is stuck

Your Chromecast downloads and installs updates on its own while it is plugged in and connected to Wi-Fi. You do not need to do anything to trigger an update — it happens in the background, usually overnight or when the device is idle. However, if you want to check whether an update has already been installed, restart the device to push a pending update along, or troubleshoot an update that seems to be taking too long, you can do that through the Google Home app.

Updates typically take 10 to 15 minutes to install once they begin. During an update, your Chromecast will not respond to casting commands, and the light on the device may blink or change color. This is normal. Do not unplug the device during an update, as this can corrupt the software.

Key Takeaways

  • Chromecast updates happen automatically when the device is plugged in and connected to Wi-Fi, with no action required from you.
  • You can check the current software version and restart your Chromecast using the Google Home app on your phone or tablet.
  • If an update appears to be stuck, unplugging the device for 30 seconds and plugging it back in often resolves the problem.
  • During an update, your Chromecast will not cast content, and the device light may blink or change color — this is expected behavior.

Check your Chromecast's current software version in the Google Home app

Open the Google Home app on your phone or tablet and look for your Chromecast device in the list of connected devices. Tap and hold the device tile, then tap the settings icon (gear symbol) in the top right corner. Scroll down to "Device information" and you will see the current software version listed there.

If you want to know whether a newer version is available, you can compare your version number to the latest release on Google's official Chromecast help page. However, since updates roll out gradually to different devices over several weeks, your Chromecast may not receive the newest version when ready even if one exists.

Restart your Chromecast to trigger a pending update

If you know an update is available but your device has not installed it yet, restarting the Chromecast can help move the process along. In the Google Home app, open your device settings the same way: tap and hold the device tile, then tap the settings icon. Scroll down and tap "Restart." The device will power off and back on, which usually takes about two minutes.

After the restart completes, leave your Chromecast plugged in and connected to Wi-Fi for at least 30 minutes. If an update is waiting, it will begin installing during this time. You will know an update is in progress if the light on the device blinks or changes color.

Force a restart by unplugging the device if an update seems stuck

If your Chromecast has been in the same state for more than 30 minutes — for example, the light is blinking but nothing seems to be happening — you can try a manual restart. Unplug the device from the power outlet, wait 30 seconds, and plug it back in. This forces a complete power cycle and often clears stuck updates.

After you plug it back in, wait another 30 minutes before checking on it. The device needs time to complete the update process without interruption. If the light continues to blink after an hour, or if the device does not respond to casting commands after two hours, contact Google support for further help.

Make sure your Chromecast stays plugged in and connected to Wi-Fi

Updates only read and install when your Chromecast is powered on and has an active Wi-Fi connection. If you unplug the device frequently or if your Wi-Fi connection is unstable, updates may be delayed or fail to complete. Keep your Chromecast plugged into a power outlet at all times, and make sure it is connected to a Wi-Fi network with a strong signal.

If your Wi-Fi drops frequently, try moving your Chromecast closer to your router or removing obstacles between them. A weak connection can cause an update to stall partway through, which may require a manual restart to fix.

Understand what happens during a Chromecast update

When an update is installing, your Chromecast will not cast content from your phone, tablet, or computer. The device is focused entirely on downloading and installing the new software. The light on the device may turn solid, blink, or change color depending on the stage of the update. These visual changes are normal and do not mean something is wrong.

Once the update finishes, your Chromecast will restart automatically and return to normal operation. You should not see any change in how the device works — updates are usually behind-the-scenes improvements to performance, security, or bug fixes rather than visible feature changes.

Frequently Asked Questions

How often does Chromecast get updates?

Google releases updates for Chromecast several times per year. The exact timing varies, and not all devices receive updates at the same time. Updates roll out gradually over weeks, so your device may receive a new version days or weeks after Google announces it.

Can I update my Chromecast manually without waiting?

No, Chromecast updates are controlled by Google and read automatically. You cannot manually read or install a newer version. Restarting the device through the Google Home app can speed up the process if an update is waiting, but you cannot force it to happen when ready.

What should I do if my Chromecast is stuck on the update screen?

Unplug the device for 30 seconds, then plug it back in. Wait at least an hour before checking again. If the device still does not respond after two hours, try restarting it through the Google Home app. If it remains stuck, contact Google support.

Will an update erase my settings or saved networks?

No, updates do not erase your Wi-Fi network information, Google account connection, or any other settings. Your Chromecast will reconnect to the same network and account after the update finishes.

Can I use my Chromecast while an update is installing?

No, your Chromecast will not cast content during an update. Wait until the update finishes and the device restarts before trying to cast again. This usually takes 10 to 15 minutes.