How to Connect Your Chromecast to WiFi and Your TV

Connect Your Chromecast in Three Steps

Connecting a Chromecast takes about five minutes and requires only your TV, the Chromecast device, a power source, and a WiFi network. Plug the Chromecast into an HDMI port on your TV, plug its power cable into an outlet, then use your phone or computer to join the Chromecast's temporary WiFi network and enter your home WiFi password. Once your Chromecast connects to your home network, you can cast video, music, and photos to your TV from any device on the same WiFi.

The process is the same whether you own a Chromecast, Chromecast with Google TV, or an older Chromecast Audio device. The only difference is where you plug it in — video Chromecasts go into HDMI ports, while audio devices connect to audio inputs or powered speakers.

Key Takeaways

Plug the Chromecast into an HDMI port on your TV and connect its power cable to an outlet or USB port.
On your phone or computer, find the Chromecast's temporary WiFi network (usually named "Chromecast-XXXX") and join it without a password.
The Chromecast setup screen will appear on your TV and guide you to select your home WiFi network and enter your password.
Once connected, any device on your home WiFi can cast to the Chromecast by opening a compatible app and tapping the cast icon.
If setup fails, restart the Chromecast by unplugging it for 30 seconds, then plug it back in and try again.

What You Need Before You Start

Gather these items before you begin: your Chromecast device, a TV with an available HDMI port, the Chromecast power cable, a power outlet or USB port that can supply power, and your home WiFi network name and password. If you are setting up a Chromecast Audio, you will need a speaker or audio receiver with an audio input jack instead of a TV.

You will also need a smartphone or computer that can connect to WiFi. This device is only used during setup — once the Chromecast is on your home network, you do not need to keep it nearby. The Chromecast itself does not require a Google account, though some features work better if you sign in with one during setup.

Plug In the Chromecast and Power Cable

Insert the Chromecast into an HDMI port on the back or side of your TV. If your TV has multiple HDMI ports, any of them will work. Push it in firmly until it clicks or sits flush with the TV.

Connect the Chromecast's power cable to the device. The other end plugs into a wall outlet or a powered USB port on your TV. If your TV has a powered USB port (usually marked with a lightning bolt or labeled "USB Power"), you can use that instead of a wall outlet — this keeps cables cleaner. If you are unsure whether your TV's USB port is powered, plug the Chromecast into a wall outlet instead.

Turn on your TV and switch to the HDMI input where you plugged in the Chromecast. You should see a Chromecast logo and a message saying the device is ready to set up. If the screen is black, try a different HDMI port or check that the power cable is fully connected.

Join the Chromecast's Temporary WiFi Network

On your phone or computer, open the WiFi settings and look for a network named something like "Chromecast-XXXX" or "Chromecast Setup" (the exact name depends on your model). This is the Chromecast's temporary network — it does not require a password. Select it and wait for your device to connect.

Once connected, a setup screen should appear on your TV showing a PIN code. If a setup screen does not appear on your TV after 30 seconds, open a web browser on your phone or computer and go to g.co/chromecast. This will load the same setup page.

If you do not see the temporary Chromecast network in your WiFi list, wait 30 seconds and scan again. If it still does not appear, unplug the Chromecast for 10 seconds, plug it back in, and wait another 30 seconds.

Enter Your Home WiFi Network and Password

The setup page will show a list of WiFi networks in range. Find your home network in the list and tap or click it. If your network does not appear, scroll down and select "Other network" to type the name manually.

Enter your WiFi password exactly as it is — passwords are case-sensitive, so uppercase and lowercase letters matter. If you are not sure of your password, check the sticker on the back of your router or ask whoever set up your WiFi.

Tap or click "Connect" and wait for the Chromecast to join your home network. This usually takes 30 to 60 seconds. Your phone or computer will disconnect from the Chromecast's temporary network and reconnect to your home WiFi automatically.

Verify the Connection and Name Your Device

Once the Chromecast connects to your home WiFi, the setup page will ask you to name the device. This name appears in casting apps so you can tell which Chromecast you are sending video to if you have more than one. You can name it anything — "Living Room TV", "Bedroom", or just leave the default name.

The setup page may also ask whether you want to sign in with a Google account. This is optional but recommended — signing in lets you use features like Google Play Music and YouTube recommendations. If you skip this step, you can still cast from any app that supports Chromecast.

Once setup is complete, your TV will show the Chromecast home screen with a clock, weather, and rotating photos. This means the Chromecast is connected and ready to use. You can now close the setup page on your phone or computer.

Cast Your First Video or Photo

Open any app that supports casting — YouTube, Netflix, Spotify, Google Photos, and most other streaming apps work. Look for a cast icon (usually a rectangle with a WiFi symbol in the corner) and tap it. A list of available Chromecasts will appear. Select the Chromecast you just set up by its name.

The video or music will start playing on your TV through the Chromecast. You can pause, rewind, or adjust volume from your phone while the content plays on the TV. Your phone screen can turn off or you can use other apps — the Chromecast continues playing independently.

If the cast icon does not appear in an app, that app does not support Chromecast. You can still cast your entire phone or computer screen by opening the cast menu in your phone's settings or your computer's Chrome browser, but this uses more battery and WiFi bandwidth than casting from within an app.

Troubleshooting Connection Problems

If the Chromecast does not appear in the setup page's WiFi list, move it closer to your router. Thick walls, microwaves, and cordless phones can interfere with WiFi signals. Wait 30 seconds and scan for networks again.

If the Chromecast connects to your home WiFi but then disconnects, your router may be dropping the connection. Restart your router by unplugging it for 30 seconds, then plug it back in. Once the router restarts, unplug the Chromecast for 30 seconds and plug it back in. This usually fixes temporary connection problems.

If you entered the wrong WiFi password and the Chromecast is now stuck, unplug it for 30 seconds and plug it back in. This will reset it to factory settings and bring back the temporary setup network so you can try again.

If your phone or computer cannot find the Chromecast's temporary network, restart both devices. On your phone, turn WiFi off and back on. On your computer, restart the WiFi adapter or restart the entire machine. Then unplug the Chromecast, wait 10 seconds, and plug it back in.

Frequently Asked Questions

Do I need a Google account to use Chromecast?

No. You can set up and cast to a Chromecast without signing in. A Google account is optional and only unlocks features like personalized recommendations and voice control through Google Assistant. You can add an account later in the Chromecast settings if you change your mind.

Can I connect Chromecast to a 5GHz WiFi network?

Yes, most Chromecasts support both 2.4GHz and 5GHz networks. During setup, your home network will appear in the list regardless of which band it uses. If your router broadcasts both bands under the same name, the Chromecast will automatically pick the stronger signal.

What if my TV does not have an HDMI port?

Older TVs without HDMI ports cannot use a standard Chromecast. You would need an HDMI-to-composite or HDMI-to-component adapter, though these are not officially supported and may not work reliably. For audio-only casting, a Chromecast Audio device connects to any speaker with an audio input jack.

Can I move my Chromecast to a different room?

Yes. Unplug it from your current TV, plug it into the TV in the new room, and it will automatically reconnect to your home WiFi using the password you entered during setup. You do not need to set it up again unless you want to change the network or device name.

Why does my Chromecast keep disconnecting from WiFi?

This usually happens if your router is too far away, if there is interference from other devices, or if your router is dropping idle connections. Move the Chromecast closer to the router, restart both the router and Chromecast, or check your router settings to see if it has a feature that disconnects devices after a period of inactivity. Disabling that feature often solves the problem.

This guide is for general information only and is not medical, financial, legal, or other professional advice. For decisions specific to your situation, consult a qualified professional. See our Editorial Policy.