The fastest way to switch Chromecast to a different network
To change which WiFi network your Chromecast connects to, you need to reset the device's network settings and set it up again on the new network. The quickest method is to use the Google Home app on your phone or tablet — it walks you through reconnecting in about two minutes. You can also reset the Chromecast manually using the reset button on the device itself, though that takes longer because you'll have to enter all your settings from scratch.
The reason you can't just "switch networks" like you would on a phone is that Chromecast stores the WiFi password in its memory. To connect to a different network, that stored password has to be erased and replaced with the new one. The Google Home app does this automatically when you set up the device again; the manual reset button does the same thing but requires you to do each step by hand.
Key Takeaways
- Use the Google Home app to switch networks — it's the fastest method and takes about two minutes from start to finish.
- The app method works on any phone or tablet that's already connected to your home WiFi network.
- If you don't have the Google Home app or prefer not to use it, you can press and hold the physical reset button on the Chromecast for 10 to 15 seconds until the light blinks orange.
- After resetting, your Chromecast will appear as an available device in the Google Home app, and you can set it up on the new network when ready.
Switching networks using the Google Home app
Open the Google Home app on a phone or tablet that is already connected to your home WiFi. Tap the device icon in the top right corner, then select the Chromecast you want to change. Scroll down and tap "Settings," then look for "Wi-Fi" or "Network" — the exact label depends on which Chromecast model you have.
Tap "Forget this network" or "Remove network." The app will ask you to confirm; tap "Forget" again. Your Chromecast will disconnect from the old network and restart. Once it restarts, it will appear in the Google Home app as a new device ready to set up. Tap "Set up device," choose "Set up a new device," and follow the prompts to connect it to your new WiFi network. You'll need to enter the password for the new network when prompted.
The whole process usually takes two to three minutes. Your Chromecast will remember your Google account and any apps or services you had linked to it before, so you won't lose those settings — only the WiFi connection itself is reset.
Using the physical reset button if you don't have the app
If you don't have the Google Home app installed or prefer not to use it, you can reset the Chromecast manually. Locate the small reset button on the back or bottom of your Chromecast device — it's usually recessed so you need a straightened paperclip or similar tool to press it. With the Chromecast plugged in, press and hold the reset button for 10 to 15 seconds until the light on the device blinks orange. Then release the button and wait for the device to restart.
Once the light stops blinking and the device has restarted, it will be in setup mode. At this point, you'll need to use the Google Home app on a phone or tablet to complete the setup on your new network. Open the app, tap the device icon, select "Set up device," and follow the prompts. The manual reset button gets you to the same place as the app method, but it requires you to use the app for the final steps anyway, so the app method is usually faster.
What happens to your apps and settings after a network change
When you change networks, your Chromecast keeps its connection to your Google account, so any apps you installed (like Netflix, YouTube, or Spotify) will still be there. Your casting history and any custom names you gave the device will also remain. The only thing that gets erased is the old WiFi network's password — everything else stays the same.
If you had set up guest mode or restricted who could cast to the device, those settings will also be preserved. You won't have to re-enter your passwords for streaming apps or reconfigure any of your preferences.
Troubleshooting if the Chromecast won't reconnect
If your Chromecast doesn't appear in the Google Home app after resetting, or if it gets stuck during setup, make sure your phone or tablet is connected to the same WiFi network you're trying to set the Chromecast up on. The Google Home app needs to be on the same network as the Chromecast during setup in order to communicate with it.
If it still doesn't appear, try restarting your WiFi router by unplugging it for 30 seconds, then plugging it back in. Wait a minute for the router to fully restart, then try the setup process again. If the Chromecast still won't connect after two or three attempts, unplug it from power for a full minute, plug it back in, and repeat the reset and setup steps.
If you're switching to a 5GHz WiFi network, note that some older Chromecast models only support 2.4GHz networks. Check your router settings to see which band your new network is using. If it's 5GHz only, you may need to create a separate 2.4GHz network on your router, or contact your router's manufacturer for guidance on dual-band setup.
When to call your internet provider or router manufacturer
If you've reset the Chromecast and it still won't connect to your new network, but other devices (phones, laptops, tablets) connect without trouble, the issue is likely with the Chromecast itself rather than your network. In that case, you may need to contact Google support or consider replacing the device.
If multiple devices are having trouble connecting to the new network, the problem is probably with your router or internet connection. Contact your internet provider or router manufacturer to troubleshoot the network itself — that's beyond what the Chromecast can fix on its own.
Frequently Asked Questions
Do I need to unplug the Chromecast before resetting it?
No. You can reset it while it's plugged in and powered on. The reset button works on a powered device. If you use the manual reset button method, make sure the device is plugged in so it can restart properly after the reset is complete.
Will I lose my Netflix password or other app logins?
No. Your Chromecast stays connected to your Google account, so all your apps and their login information remain. You won't have to sign in to Netflix, YouTube, Spotify, or any other service again after changing networks.
Can I change networks without using the Google Home app?
You can start the reset using the physical button on the device, but you'll still need the Google Home app to complete the setup on the new network. The app is the only way to tell the Chromecast which network to connect to and enter the password.
How long does it take for the Chromecast to reconnect after I change networks?
The reset and setup process takes about two to three minutes total. After setup is complete, the Chromecast usually connects to the new network within 30 seconds and is ready to use.
What if my new network has a different name or password than the old one?
That's fine — the Chromecast doesn't care about the network name or password. During setup, you'll enter the new network name and password, and it will connect normally. You can even change the network name and password later without affecting the Chromecast, as long as you update the Chromecast's settings if the password changes.