Chromecast Not Appearing in Google Home: Start Here

If your Chromecast doesn't show up in the Google Home app, the device usually isn't connected to your Wi-Fi network or isn't on the same network as your phone. Most of the time, a restart of both devices and checking your network settings will solve it. The Chromecast needs to be plugged in, powered on, and connected to the exact same Wi-Fi network (including the same frequency band if your router broadcasts both 2.4 GHz and 5 GHz) as the phone or tablet running Google Home.

Before you start troubleshooting, make sure your Chromecast has power and that you can see its LED indicator light. If the light is off, plug it into a different outlet or try a different USB cable—many Chromecast problems start with a loose connection or a cable that stopped working.

Key Takeaways

  • Your Chromecast and your phone must be on the same Wi-Fi network for Google Home to find it; check your phone's Wi-Fi settings to confirm which network you are connected to.
  • Restart your Chromecast by unplugging it for 30 seconds, then plug it back in and wait two minutes for it to fully boot up.
  • If your router broadcasts both 2.4 GHz and 5 GHz bands under the same network name, move your phone to the 2.4 GHz band, since Chromecast often connects there by default.
  • Restart the Google Home app completely by closing it and reopening it, or restart your phone if the app still does not show your device.
  • If you recently changed your Wi-Fi password, your Chromecast is still trying to connect with the old password and needs to be set up again.

Check That Both Devices Are on the Same Network

Open the Google Home app on your phone and look at the top left corner—you should see your Wi-Fi network name displayed there. Now go to your phone's Wi-Fi settings and confirm that you are actually connected to that same network. If your phone is on a guest network, a different band, or a completely different Wi-Fi network than your Chromecast, Google Home will not see the device.

If your router has a single network name but broadcasts both 2.4 GHz and 5 GHz frequencies, your phone may have automatically connected to the 5 GHz band while your Chromecast is on 2.4 GHz. In your phone's Wi-Fi settings, look for the network name and see if there is an option to choose the band. Switch to 2.4 GHz and wait 10 seconds for the connection to stabilize, then open Google Home again.

Some routers let you see which devices are connected to which band in the router's settings page. If you have access to your router's admin panel, log in and check whether your Chromecast appears in the connected devices list. If it does not appear anywhere, the Chromecast is not connected to Wi-Fi at all.

Restart Your Chromecast and Wait for It to Boot

Unplug your Chromecast from the power outlet or USB port. Wait 30 seconds—this clears the device's memory and forces a complete shutdown. Plug it back in and watch for the LED light to turn on. The light will usually be white or blue when power first reaches it.

Do not open Google Home when ready. Let your Chromecast sit for a full two minutes after you plug it in. During this time, it is connecting to Wi-Fi and preparing to be discovered. If you open Google Home too soon, it may not find the device even though it is booting up in the background.

After two minutes, open the Google Home app and tap the plus sign or "Create" button to add a device. Select "Set up device" and choose "Set up a new device." The app will scan for nearby Chromecast devices. If your Chromecast appears in the list, you are connected to the right network and the device is working.

Restart the Google Home App and Your Phone

Close the Google Home app completely. On most phones, swipe up from the bottom of the screen or use your app switcher to close it entirely—do not just press the back button. Wait 10 seconds, then reopen the app. Sometimes the app gets stuck and needs to refresh its device list.

If the Chromecast still does not appear, restart your phone. Hold the power button, select "Restart" or "Power off," and wait for the phone to shut down completely. Turn it back on and open Google Home again. A full phone restart clears temporary files and network connections that may be preventing the app from finding your device.

Check Your Wi-Fi Password and Network Settings

If you recently changed your Wi-Fi password, your Chromecast is still trying to connect with the old password and will fail silently. The device will not appear in Google Home because it cannot reach the network. The only way to fix this is to set up your Chromecast again from scratch using the Google Home app.

Open Google Home, tap the plus sign, and select "Set up device." Choose "Set up a new device" and follow the on-screen steps. When prompted, select your Wi-Fi network and enter your current password. The app will walk you through connecting the Chromecast to your network with the new credentials.

If your router has a firewall or security setting that blocks new devices from connecting, your Chromecast may not be able to join the network at all. Check your router's settings for a feature called "device isolation," "AP isolation," or "client isolation." If it is turned on, disable it temporarily, restart your router, and try setting up the Chromecast again.

Verify Your Router Is Broadcasting and Your Chromecast Supports It

Make sure your Wi-Fi router is actually turned on and broadcasting a signal. Walk to the router and look for lights indicating that Wi-Fi is active. If all the lights are off or the router appears unplugged, turn it on and wait three to five minutes for it to fully start up.

Some older Chromecast models only support 2.4 GHz Wi-Fi and cannot connect to 5 GHz networks. If your router only broadcasts 5 GHz (which is rare but possible on newer routers), your older Chromecast will not be able to connect. Check the model number on your Chromecast or in the Google Home app under device settings to see which Wi-Fi bands it supports. If you have a dual-band router, make sure the 2.4 GHz band is turned on.

If your router requires WPA3 encryption and your Chromecast is very old, it may not support that security standard. Most Chromecast devices support WPA2 and WPA3, but first-generation models may only work with WPA2. Check your router's security settings and see if you can enable WPA2 as a fallback option.

Factory Reset Your Chromecast If Nothing Else Works

If you have tried restarting, checked the network, and restarted the app but your Chromecast still will not appear, perform a factory reset. Locate the small reset button on the back or bottom of your Chromecast (it is usually recessed and requires a paperclip or pin to press). With the device plugged in, hold the reset button for 15 seconds until the LED light flashes orange or red.

Release the button and wait for the light to turn white or blue again. This takes about one minute. Your Chromecast has now been reset to factory settings and all previous network information has been erased. Open Google Home and set up the device again from scratch, selecting your Wi-Fi network and entering your password when prompted.

After a factory reset, your Chromecast should appear in Google Home within two to three minutes of completing the setup process. If it still does not show up, the device may have a hardware problem and may need to be replaced.

Frequently Asked Questions

Why does my Chromecast show up in Google Home but I cannot cast to it?

If the device appears in the app but casting fails, your phone and Chromecast are on different networks or your phone lost connection. Confirm both are on the same Wi-Fi network and that your phone has a strong signal. Restart both devices and try casting again. If casting still fails, restart your router.

Can I use Chromecast on a 5 GHz network?

Most newer Chromecast models support 5 GHz, but some older ones only work on 2.4 GHz. Check your device's specifications or try connecting to the 2.4 GHz band if you have a dual-band router. If your router broadcasts both bands under the same name, manually select the 2.4 GHz option in your phone's Wi-Fi settings.

What if my Chromecast has no power light at all?

Try a different USB cable or power outlet. Many Chromecast problems are caused by loose cables or outlets that have stopped working. If the light still does not turn on after trying multiple cables and outlets, the device may have a hardware failure.

Do I need to set up my Chromecast every time I change my Wi-Fi password?

Yes. Your Chromecast stores the old password and cannot connect with a new one. Open Google Home, select your device, tap the settings icon, and choose "Forget this network" or "Forget device." Then set it up again with your new password.

Why does Google Home say "No devices found" when I try to set up my Chromecast?

Your phone and Chromecast are not on the same network. Make sure your phone is connected to the same Wi-Fi network your Chromecast is trying to join. If your Chromecast has never been set up before, it may be broadcasting its own temporary network—check your phone's available networks for one that starts with "Chromecast" or your device's name.