The Basic Connection Process
To connect to Chromecast, your phone, tablet, or computer must be on the same Wi-Fi network as your Chromecast device. Once both are connected to the same network, open any compatible app—like YouTube, Netflix, Spotify, or Google Photos—and look for the Cast icon (it looks like a rectangle with curved lines in the corner). Tap or click it, select your Chromecast device from the list, and your content will start playing on your TV within seconds.
The Cast icon appears in the top or bottom corner of most apps, depending on whether you're using a phone, tablet, or computer. If you don't see it, the app may not support Chromecast, or your device may not be on the same network as your Chromecast.
Key Takeaways
- Your phone, tablet, or computer and your Chromecast must be connected to the same Wi-Fi network before you can cast.
- The Cast icon appears in most streaming apps and looks like a rectangle with curved lines; tap it to see available Chromecast devices.
- You can cast from Chrome browser on a computer by clicking the three-dot menu and selecting "Cast" to share your entire screen or a single tab.
- If your Chromecast doesn't appear in the device list, restart both your Chromecast and your router, then check that both are on the same network.
- Some apps let you control playback from your phone after casting, while others require you to use the TV remote or your device's screen.
Connecting From a Phone or Tablet
Open any app that supports Chromecast—YouTube, Netflix, Hulu, Spotify, Google Photos, and many others all work. Look for the Cast icon in the app's interface. On most apps, it's in the top right corner, but some place it at the bottom. Tap the icon and a list of available Chromecast devices will appear.
Select your Chromecast device by name (you named it when you first set it up). Your content will begin playing on your TV almost when ready. Your phone or tablet screen will show what's playing and may display playback controls like pause, play, and volume. You can lock your phone, switch to another app, or even turn off your screen—the content will keep playing on your TV.
If the Cast icon doesn't appear, make sure your phone or tablet is on the same Wi-Fi network as your Chromecast. Check your Wi-Fi settings and confirm the network name matches the one your Chromecast is using.
Casting From a Computer Browser
On a Windows or Mac computer, open Google Chrome and navigate to the content you want to watch. Click the three-dot menu icon in the top right corner of the browser. Select "Cast" from the dropdown menu.
A Cast window will open showing available Chromecast devices. You have two options: cast a single tab (only that browser tab appears on your TV) or cast your entire screen (everything on your computer screen appears on your TV). Choose "Cast tab" to share just what you're watching, or "Cast desktop" to mirror your whole screen. Select your Chromecast device, and it will begin casting within a few seconds.
Tab casting works with most websites, including YouTube, Netflix, and other streaming services. Desktop casting is useful when you want to show photos, documents, or anything else on your computer screen. Your computer stays connected to the network and controls playback—closing the Cast window will stop casting.
Troubleshooting When Your Device Doesn't Appear
If you don't see your Chromecast in the device list, the most common reason is that your phone, tablet, or computer is not on the same Wi-Fi network as your Chromecast. Check your device's Wi-Fi settings and make sure you're connected to the correct network. Your Chromecast's network name appears on the TV screen or in the Google Home app.
If the networks match, restart your Chromecast by unplugging it for 10 seconds, then plugging it back in. While it's restarting, also restart your Wi-Fi router by unplugging it for 10 seconds. Once both devices have restarted, try casting again. This fixes most connection problems.
If your device still doesn't appear, check that your Chromecast is turned on and connected to power. The LED light on the device should be lit. If it's dark, your Chromecast may not be receiving power. Also confirm that your phone, tablet, or computer has Bluetooth and Wi-Fi enabled, even if you're not actively using Bluetooth.
Controlling Playback After Casting
Once content is casting, your phone or tablet usually becomes a remote control. You can pause, play, skip forward or backward, and adjust volume from your device's screen. The controls vary by app—some show a full playback bar, while others show only basic buttons.
You can also use your TV remote to control playback if your Chromecast supports it. Some remotes have dedicated buttons for pause and play. If you're casting from a computer, you can control playback from your browser tab or from your TV remote, depending on the app.
If you want to stop casting, tap the Cast icon again and select "Stop casting" or straightforward close the app. The content will stop playing on your TV, and your device will no longer be connected to your Chromecast.
Casting Audio and Photos
Chromecast works with more than just video. You can cast music from Spotify, YouTube Music, Google Play Music, and other audio apps. The process is identical—tap the Cast icon, select your device, and the audio plays through your TV's speakers. Your phone screen shows the album art and playback controls.
You can also cast photos from Google Photos, your phone's photo gallery, or other image apps. Open the app, select a photo or album, tap the Cast icon, and the images will display on your TV. Some apps let you create a slideshow that cycles through photos automatically.
Using Guest Mode and Multiple Users
Chromecast includes a Guest Mode that lets visitors cast to your TV without being on your home Wi-Fi network. When Guest Mode is on, anyone nearby can cast to your Chromecast using a PIN code that appears on your TV screen. This is useful when friends visit and want to share photos or music.
To turn on Guest Mode, open the Google Home app on your phone, select your Chromecast device, tap the settings icon (three dots), and toggle Guest Mode on. A PIN will appear on your TV. Share this PIN with guests, and they can cast to your device without knowing your Wi-Fi password. Guest Mode turns off automatically after a set time or when you disable it.
Frequently Asked Questions
Do I need a Google account to use Chromecast?
You need a Google account to set up Chromecast initially using the Google Home app, but once it's set up, you don't need to sign in every time you cast. Anyone on your Wi-Fi network can cast to your Chromecast without a Google account.
Can I cast from my iPhone or iPad?
Yes. iPhone and iPad support casting through most streaming apps like YouTube, Netflix, and Spotify. The process is the same as on Android—look for the Cast icon in the app and select your device. Some apps may have the icon in a different location.
What if my Wi-Fi is slow or keeps disconnecting?
Casting requires a stable Wi-Fi connection. If your connection is weak, move your Chromecast or router closer to your casting device, or restart your router. If the problem continues, your internet speed may be too slow for smooth playback—contact your internet provider to check your connection speed.
Can I cast to multiple Chromecast devices at the same time?
Most apps only let you cast to one device at a time. If you have multiple Chromecast devices in different rooms, you'll need to select which one you want to cast to each time. Some apps may support multi-room audio, but this varies by app and device.
Why does casting stop when I lock my phone?
Casting should continue even when your phone is locked. If it stops, check that your phone's Wi-Fi is still on—some phones turn off Wi-Fi when the screen locks. Go to your phone's settings and disable the option to turn off Wi-Fi during sleep.