How to Change Your Chromecast to a New Wi-Fi Network

Various casting devices allow you to stream media files from mobile phones and tablets to your TV or PC, but Google Chromecast is one of the most portable devices amongst them. You can take it everywhere, but there’s a small catch—it can remember only one Wi-Fi network at a time.

If you take your Chromecast everywhere or you have more than one Wi-Fi source inside the house, you’ll need to change its Wi-Fi regularly. The process can be straightforward or a bit tricky, depending on the reason for the change.

Two Primary Reasons to Change Wi-Fi Networks

Reason 1: Network Changes

Usually, the reason to change Chromecast to a new Wi-Fi connection is a simple switch between networks, such as going from broadband to mobile hot spot or when traveling. The steps are a piece of cake, and all you need to do is ensure that your mobile device is close to the streaming one.

Reason 2: Network is No Longer Active

If the Wi-Fi network to which you connected your Chromecast is not active anymore, things will get a bit tricky. That will happen when you change your router. You’ve set up your Chromecast for the network that doesn’t exist anymore, so your Google Home app on your mobile device won’t be able to recognize it.

There is a solution for both, and this article provides a step-by-step guide to get you up and running again.


Perform a Simple Network Switch

If your existing network is active, you’re merely switching Chromecast from one to another.

  1. Make sure that Chromecast and the HDTV are on and functional. Then open the Google Home app from your Android or iPhone.
  2. There’s a three-bar menu icon at the top-left corner of your screen—tap on it and choose “Devices” from the menu.
  3. There will be another ellipsis (three-dots) menu icon on the “Device settings” screen, and you need to select “Settings” from the drop-down menu to bring up the “Chromecast Wi-Fi” menu.
  4. Select “New Network,” and then choose the one you want and connect to it.

Keep in mind that the Wi-Fi network on Chromecast needs to match with the one on your phone. If you get the error message, this could be the only possible issue.

Change Modem or Router

If you have changed your network, your Android phone or iPhone won’t connect to your Chromecast.

If this is the case, your best bet is to reset Chromecast manually. That will erase the old Wi-Fi network, and allow you to use the new Wi-Fi network.

The button next to the micro USB port on Chromecast is the Reset button. Press it and hold down for 15 seconds.

Chromecast reset button

The light on the device will flash while you’re holding the button down, so you’ll know to release when the light stops flashing and remains lit.

Now Chromecast will reboot and reset itself to default factory settings afterward. It will erase the old Wi-Fi network, as well as all the settings. Therefore, you’ll need to go through the setup again and connect it to the new Wi-Fi network.

If you’ve forgotten the steps or had someone else do it, follow the guide below.

Setup Up Chromecast in Android or iPhone After the Reset

Setting up Chromecast is the same for iPhones and Android phones, and it’s a pretty straightforward process.

  1. Plug the Chromecast device into your TV’s HDMI port. Then take the remote and set the input to the one you used to plug in your Chromecast.
  2. Since you already have the Google Home app installed on your mobile device, tap on the “Set up 1 device” option on the Home Screen. Choose a Home for your device and hit “Next.”
  3. The app will search for nearby devices. After it locates your Chromecast, tap “Yes” to move on. You’ll see a code on your phone, as well as on your TV screen. Tap “Yes” again to confirm you can see it and follow the prompts.
  4. Choose the location where your Chromecast will be. Tap “Next” and follow the prompts to connect to the new network.

Possible Solutions to Failed Chromecast Connection

If you’re facing some difficulties during the setup process, there are a few things you need to check on your Android or iPhone.

Solution 1: Ensure Both Devices are in The Same Network

First, you need to make sure that both Chromecast and your mobile device are on the same Wi-Fi network. To do this, navigate to “Settings” and choose “Wi-Fi.”

Solution 2: Ensure Bluetooth is On

Your Bluetooth option also needs to be turned on. To check this, navigate to “Settings” and choose “Bluetooth.”

Solution 3: Reconnect to Network

After you’ve made sure that your smartphone and Chromecast are on the same Wi-Fi network and that Bluetooth is on, visit “Settings” again, and choose “Wi-Fi,” then tap on Chromecast’s open Wi-Fi network to connect to it.

Possible issues

In closing, the setup process depends on whether you’re switching networks, or you’ve changed your router or modem. In the first case, the steps are quite simple. The second scenario will require you to reset the Chromecast and go through the setup process again.

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