What mirroring means and how Chromecast does it
Mirroring means sending everything on your phone or computer screen to your TV in real time. When you mirror to Chromecast, whatever you see on your device appears on the television — your apps, web pages, photos, or even your entire desktop. Chromecast receives that signal wirelessly and displays it on the TV connected to the Chromecast device.
The process is different from casting, which sends only a single app or video to the TV while you keep using your phone for other things. Mirroring locks your device to the TV — if you open a different app on your phone, that new app appears on the TV too.
Both your device and your Chromecast must be on the same Wi-Fi network for mirroring to work. The Chromecast acts as a receiver; your phone or computer sends the signal to it.
Key Takeaways
- Mirroring sends your entire screen to the TV, while casting sends only one app or video and lets you use your phone for other things.
- Your phone, computer, and Chromecast must all be connected to the same Wi-Fi network before you start.
- On Android phones, open Settings, select Connected devices, then Cast, and choose your Chromecast from the list.
- On iPhones and iPads, use Control Center, tap Screen Mirroring, and select your Chromecast (though some apps may not mirror properly).
- On Windows and Mac computers, the process differs — Windows uses the Settings app, while Mac uses AirPlay, which works with some Chromecast models but not all.
Mirroring from an Android phone or tablet
On Android devices, mirroring is built into the system settings. Open Settings, then tap Connected devices or Display (the exact name varies by phone maker). Look for an option called Cast, Screen mirroring, or Wireless display. Tap it, and your phone will search for nearby Chromecast devices on your Wi-Fi network.
When your Chromecast appears in the list, tap its name. Your phone will ask for permission to mirror; confirm it. Your screen should appear on the TV within a few seconds. The connection stays active until you manually disconnect it — swipe down from the top of your phone, find the Cast notification, and tap it to stop mirroring.
If your Chromecast does not appear in the list, check that both devices are on the same Wi-Fi network. Restart your Chromecast by unplugging it for 10 seconds, then plugging it back in. If the problem persists, restart your phone's Wi-Fi by turning Wi-Fi off and back on in Settings.
Mirroring from an iPhone or iPad
iPhones and iPads use Control Center to mirror to Chromecast. Swipe down from the top-right corner of the screen (or up from the bottom on older models) to open Control Center. Look for Screen Mirroring and tap it. Your device will show a list of available Chromecast devices on your Wi-Fi network.
Tap the name of your Chromecast. Your iPhone or iPad will connect and begin mirroring. A blue bar appears at the top of your screen to show that mirroring is active. To stop, open Control Center again, tap Screen Mirroring, and select Stop Mirroring.
Apple devices sometimes have trouble mirroring certain apps or content due to copyright protection. If a video or app does not appear on the TV, try casting that specific app instead of mirroring your whole screen — many apps have their own Cast button built in. If mirroring fails to start, make sure your iPhone and Chromecast are on the same Wi-Fi network, and restart both devices.
Mirroring from a Windows computer
Windows 10 and Windows 11 both support Chromecast mirroring through the Settings app. Open Settings, then go to System and select Display. Scroll down and click Cast to this PC or look for Connect to a wireless display. Click that option, and Windows will search for nearby Chromecast devices.
When your Chromecast appears, click it to connect. Your computer screen will mirror to the TV. To disconnect, click the notification that appears in the bottom-right corner of your screen and select Disconnect. You can also open the same Settings menu and click the Chromecast name again to stop mirroring.
If your Chromecast does not show up, make sure your computer and Chromecast are on the same Wi-Fi network. Some older versions of Windows or certain network setups may prevent mirroring — if this happens, restart your computer and Chromecast, then try again. If the problem continues, check that your Wi-Fi router is not blocking the connection between devices.
Mirroring from a Mac computer
Mac computers do not natively mirror to standard Chromecast devices — Apple's AirPlay technology works with Apple TV, not Chromecast. However, some newer Chromecast models (like Chromecast with Google TV) support AirPlay, which means you can mirror from a Mac to those specific devices.
If your Chromecast supports AirPlay, open Control Center on your Mac by clicking the icon in the top-right corner of the menu bar. Click Screen Mirroring, and your Chromecast should appear in the list. Select it to begin mirroring. To stop, open Control Center again and click Stop Mirroring.
If your Chromecast model does not support AirPlay, you will need to use a third-party app or cast individual content instead of mirroring your entire screen. Check your Chromecast's documentation to see whether it supports AirPlay mirroring. If it does not, casting apps or videos one at a time is usually more reliable than trying to force full-screen mirroring.
Troubleshooting common mirroring problems
If your device and Chromecast are on different Wi-Fi networks, mirroring will not work. Check that both are connected to the same network name (SSID). If you have a 5 GHz and 2.4 GHz network with the same name, try connecting both devices to the 2.4 GHz band, as some Chromecast models work better on that frequency.
Lag or stuttering during mirroring usually means your Wi-Fi signal is weak. Move your Chromecast and router closer together, or move your phone or computer away from obstacles like walls or metal objects. If lag persists, close other apps on your device to free up processing power.
If the connection drops repeatedly, restart both your device and Chromecast. Unplug the Chromecast for 10 seconds, plug it back in, and wait for it to fully boot before trying to mirror again. If the problem continues, forget the Wi-Fi network on your device and reconnect to it — this often clears connection issues.
When to cast instead of mirror
Mirroring uses more battery and Wi-Fi bandwidth than casting because your device is constantly sending its entire screen to the TV. If you plan to use your phone or computer for something else while video plays on the TV, casting is more efficient. Most video apps like YouTube, Netflix, and Spotify have a Cast button built in — tap it to send just that video or song to the TV while you keep your phone free.
Casting also works better for apps that have copyright protection, since some content will not mirror properly. If you are having trouble mirroring a specific app, try opening that app and looking for its Cast button instead.
Frequently Asked Questions
Do I need a special app to mirror to Chromecast?
No. Mirroring is built into Android, iPhone, iPad, and Windows. You do not need to read anything — just use the screen mirroring option in your device's settings or control center. Mac users may need a third-party app if their Chromecast does not support AirPlay.
Can I mirror to Chromecast if I am on a different Wi-Fi network?
No. Your device and Chromecast must be on the same Wi-Fi network. If you are on a guest network and your Chromecast is on the main network, they will not see each other. Connect both to the same network and try again.
Will mirroring drain my phone battery quickly?
Yes, mirroring uses more battery than normal use because your phone is constantly sending data to the TV. If you are mirroring for a long time, plug your phone in. Casting a single app instead of mirroring your entire screen uses less battery.
Why does my screen look blurry or pixelated on the TV?
This usually means your Wi-Fi signal is weak or your device is too far from the router. Move closer to the router or move the Chromecast closer to the router. If the picture is still poor, your TV may be set to a lower resolution — check your TV's display settings.
Can I mirror from multiple devices to the same Chromecast at the same time?
No. Only one device can mirror to a Chromecast at a time. If another device is already mirroring, you must stop that connection first before starting a new one.