How to Set Up and Use Google Chromecast

Getting Chromecast Connected to Your TV and Wi-Fi

Chromecast works by plugging into an HDMI port on your TV, then connecting to your home Wi-Fi network. The device itself is small — about the size of a thumb drive — and draws power from either the TV's USB port or a wall outlet, depending on which Chromecast model you own.

Start by plugging the Chromecast into an available HDMI port on the back or side of your TV. If your TV has a USB port, you can plug the power cable into that; otherwise, use the included power adapter and plug it into a wall outlet near your TV. Turn on your TV and switch to the HDMI input where you plugged in the Chromecast. You should see the Chromecast setup screen appear.

On your phone or computer, open the Google Home app (available free on iOS and Android, or through your web browser at home.google.com). The app will detect your Chromecast within a few seconds. Tap the device, then follow the on-screen prompts to connect it to your Wi-Fi network. You will need to enter your Wi-Fi password. Once connected, the Chromecast is ready to receive content from your devices.

Key Takeaways

Plug Chromecast into an HDMI port and power it, then switch your TV to that HDMI input to see the setup screen.
Use the Google Home app on your phone or computer to detect the Chromecast and connect it to your Wi-Fi network.
Most apps that support Chromecast show a cast icon (a rectangle with curved lines) that you tap to send video or audio to your TV.
Chromecast works with YouTube, Netflix, Spotify, Disney+, Hulu, and hundreds of other apps — check the app itself to see if it supports casting.
You can cast from your phone, tablet, or computer, and the Chromecast will continue playing even if you lock your phone or switch apps.

Casting Video and Audio from Your Phone or Tablet

Once Chromecast is connected, you can send video or music from most apps directly to your TV. Open any app that supports Chromecast — YouTube, Netflix, Spotify, and Disney+ all do — and look for the cast icon, which looks like a rectangle with curved lines in the top right or bottom right corner of the screen.

Tap the cast icon and select your Chromecast device from the list. The video or audio will start playing on your TV within a few seconds. You can then lock your phone, switch to another app, or even put your phone in your pocket — the content will keep playing on your TV. To stop casting, tap the cast icon again and select "Stop casting."

If you do not see a cast icon in an app you want to use, that app does not support Chromecast. In that case, you can cast your entire phone screen instead by opening the Google Home app, tapping your Chromecast device, and selecting "Cast screen." This mirrors everything on your phone to the TV, though it uses more battery and may be slower than casting from within an app.

Casting from Your Computer or Laptop

You can also cast from a Windows or Mac computer using Google Chrome browser. Open Chrome, click the three-dot menu in the top right, and select "Cast." A panel will open showing your available Chromecast devices. Click the device you want to use, and Chrome will ask whether you want to cast the current tab or your entire screen.

Casting a single tab sends only that browser window to your TV, which is useful if you want to watch a video while keeping other windows private on your computer. Casting your entire screen mirrors everything — useful for presentations or showing photos, but it will display notifications and other alerts on your TV as well.

If you use a Mac, the process is the same: open Chrome, click the three-dot menu, select "Cast," and choose your device. Chrome casting works on both Windows and Mac, and you do not need to install anything extra beyond the Chrome browser itself.

Controlling Playback and Adjusting Volume

Once content is casting to your TV, you control it from your phone, tablet, or computer — not from the Chromecast device itself. The device has no remote. When you are casting from an app like YouTube or Netflix, the playback controls (play, pause, skip, volume) appear in that app on your phone.

You can also control volume using your TV remote or your phone's volume buttons. If you are casting from your phone's speaker, the volume buttons on your phone will adjust the TV's volume. If you are casting from a computer, use your computer's volume controls or your TV remote.

To switch what is playing, straightforward open a different app and cast from there. The new content will replace what was on the TV. You can cast from multiple devices to the same Chromecast, but only one source can play at a time — the most recent one takes over.

Troubleshooting Connection Problems

If your Chromecast does not appear in the Google Home app, first check that both your Chromecast and your phone are connected to the same Wi-Fi network. Chromecast cannot connect to a different network than your phone. If they are on the same network and the device still does not show up, restart your Chromecast by unplugging it for 30 seconds, then plugging it back in.

If your phone or computer cannot find the Chromecast after restart, restart your Wi-Fi router as well. Unplug it for 30 seconds, plug it back in, and wait for it to fully restart before trying again. If the Chromecast still does not appear, check that your Wi-Fi password is correct — an incorrect password will prevent the device from connecting.

If casting starts but the video keeps stopping or buffering, move your Chromecast closer to your Wi-Fi router or reduce the number of devices using your Wi-Fi. Chromecast works best on a strong, stable connection. If you are far from your router, consider moving the router or using a Wi-Fi extender.

Using Chromecast with Multiple Devices and Accounts

Chromecast is tied to the Google account that set it up in the Google Home app. Anyone on your home Wi-Fi network can cast to it, but only the account that set it up can change settings like the device name or Wi-Fi network. If you want to let family members cast to your Chromecast, they just need to be on the same Wi-Fi network — they do not need to sign in to your Google account.

You can rename your Chromecast to make it easier to identify if you have multiple devices. Open the Google Home app, tap and hold the Chromecast device, tap the settings icon (gear), and select "Device name." Type a new name like "Living Room TV" or "Bedroom Chromecast" and save it. This name will appear in the cast menu on all your devices.

If you move to a new home or change your Wi-Fi network, you will need to reconnect the Chromecast to the new network. Open the Google Home app, tap the Chromecast device, tap the settings icon, and select "Wi-Fi." Follow the prompts to enter your new Wi-Fi password. The Chromecast will reconnect and be ready to use.

What Apps and Services Work with Chromecast

Hundreds of apps support Chromecast, including all the major streaming services. YouTube, Netflix, Disney+, Hulu, HBO Max, Amazon Prime Video, Spotify, Apple Music, and Google Play Music all have built-in cast buttons. Smaller services like Plex, Tubi, Pluto TV, and Peacock also support it.

To learn about a specific app supports Chromecast, open the app and look for the cast icon. If you see it, the app supports Chromecast. If you do not see it, you can still cast your entire phone screen, though this is slower and uses more battery than casting from within the app itself.

Some apps require a paid subscription to cast, while others allow casting on the free tier. Check the app's settings or help section if you are unsure. Most apps will let you cast for free if you have a free account, though some premium features may be restricted.

Frequently Asked Questions

Do I need a Google account to use Chromecast?

Yes, you need a Google account to set up Chromecast using the Google Home app. However, once it is set up, anyone on your Wi-Fi network can cast to it without signing in. Only the account that set it up can change the device settings.

Can I cast to Chromecast if I am not home?

No, Chromecast only works on your home Wi-Fi network. You cannot cast to it from outside your home unless you use a VPN to connect to your home network, which is not officially supported. Chromecast is designed for in-home use only.

What happens if I unplug my Chromecast?

Unplugging it will stop whatever is currently playing on your TV. When you plug it back in, it will reconnect to your Wi-Fi network automatically if the network information is still saved. You will not need to set it up again.

Can I use Chromecast with a TV that does not have an HDMI port?

No, Chromecast requires an HDMI port. If your TV does not have HDMI, you would need an older device like Chromecast Audio (which is no longer sold) or a different casting solution. Most modern TVs have at least one HDMI port.

Does Chromecast work with Apple devices?

Yes, you can cast from iPhones, iPads, and Mac computers to Chromecast. Apps like YouTube, Netflix, and Spotify work the same way on Apple devices as they do on Android. From a Mac, use the Chrome browser to cast.

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.