How to Chromecast to TV: Step-by-Step Guide

What You’ll Need

A Chromecast device (Chromecast, Chromecast Ultra, Chromecast with Google TV, or a TV with built-in Chromecast) plugged into your TV and powered on.
A phone, tablet, or computer with the app you want to cast from (e.g., YouTube, Netflix, Chrome browser).
Both devices must be connected to the same Wi-Fi network.
The Google Home app (for initial setup and troubleshooting) – optional but helpful.

Step-by-Step

Set up your Chromecast. Plug the Chromecast into an HDMI port on your TV and connect its power cable to a wall outlet. Switch your TV to the correct HDMI input. If it’s your first time, follow the on-screen setup using the Google Home app.
Connect to the same Wi-Fi. On your phone, tablet, or computer, join the same Wi-Fi network that your Chromecast is using. This is essential – casting won’t work across different networks.
Open a compatible app. Launch an app that supports Chromecast, such as YouTube, Netflix, Spotify, or Google Chrome. Look for the Cast icon – it looks like a small rectangle with a Wi-Fi symbol in the corner.
Tap the Cast icon. Tap or click the Cast icon. A list of available devices will appear. If you don’t see your TV, wait a few seconds or check that your Chromecast is powered on.
Select your TV. Tap the name of your Chromecast or TV. The app will connect, and your content will appear on the TV screen. You can continue using your phone for other things – the cast continues.
Control playback. Use the app on your phone to play, pause, rewind, or adjust volume. To stop casting, tap the Cast icon again and select “Stop Casting” or disconnect.

Common Mistakes

Not being on the same Wi-Fi network – the most frequent issue. Check both devices’ connections.
Using a guest network or VPN that isolates devices – this can block casting.
Forgetting to plug in the Chromecast power cable – it must be powered, not just connected to HDMI.
Looking for the Cast icon in apps that don’t support Chromecast – not all apps have it.
Selecting the wrong HDMI input on your TV – ensure you’re on the input where Chromecast is plugged in.

Tips

Keep your Chromecast firmware updated – it usually updates automatically, but you can check in the Google Home app.
For screen mirroring (casting your entire phone or computer screen), use the Google Home app or Chrome browser’s “Cast” menu – note that this may have higher latency.
If your Wi-Fi is weak, consider moving your router closer or using a Chromecast with an Ethernet adapter for a stable connection.
Use the Google Home app to manage multiple Chromecast devices and control them with voice commands if you have a Google Assistant speaker.

Troubleshooting

Can’t find the Cast icon? Make sure the app is updated and that your device supports Chromecast. Some apps only show the icon when content is playing.
Device not showing up? Restart your Chromecast by unplugging it for 30 seconds and plugging it back in. Also restart your phone or computer and toggle Wi-Fi off/on.
Casting keeps disconnecting? Check for Wi-Fi interference – move your router away from other electronics. Also, ensure your internet speed is sufficient for streaming (at least 5 Mbps for HD).
Video plays but no sound? Check the volume on both your TV and your casting device. Some apps have separate volume controls.
Chromecast not responding to Google Home app? Reset the Chromecast by holding the button on the device for 25 seconds until the LED blinks, then set it up again.

Frequently Asked Questions

Can I cast from an iPhone or iPad?

Yes, Chromecast works with iOS devices. Download the Google Home app and use compatible apps like YouTube or Netflix – the Cast icon appears the same way.

Do I need a Google account to cast?

For most casting, you don’t need to be logged in to a Google account – just the app you’re using. However, the Google Home app requires a Google account for initial setup.

Can I cast without Wi-Fi?

No, Chromecast requires a Wi-Fi network to receive the cast signal. There’s no offline casting mode.

Why is my Chromecast not showing up on my phone?

This usually means the devices are on different networks, or the Chromecast is not powered on. Reboot both and ensure they’re on the same Wi-Fi.

Can I cast from my laptop or desktop computer?

Yes, you can cast from the Chrome browser on Windows, Mac, or ChromeOS. Click the three-dot menu and select “Cast…” to mirror a tab or your entire screen.

Does casting use my phone’s data or battery?

Casting streams directly from the internet to the Chromecast, so your phone’s data isn’t used for the video – only for control commands. Battery drain is minimal.

Sources: Google Home Help. Menus and buttons can differ slightly by version. Spotted something out of date? Tell us.