Yes, you can cast your computer to your TV using Chromecast

You can send video, audio, and your entire screen from a Windows PC, Mac, or Chromebook to any TV with a Chromecast device plugged in. The process differs slightly depending on your computer's operating system, but all three routes are straightforward and don't require special cables or setup beyond having Chromecast already installed.

Your computer and TV must be on the same Wi-Fi network. Once they are, you open the casting menu on your computer, select your TV from the list of available devices, and the connection happens automatically. You can then stream video from a browser, mirror your entire desktop, or play audio through your TV's speakers.

Key Takeaways

  • Windows PCs, Macs, and Chromebooks can all cast to Chromecast, but the menu location and name differ on each operating system.
  • Your computer and Chromecast device must be connected to the same Wi-Fi network before you can cast.
  • You can cast a single browser tab, your entire screen, or audio only, depending on what you're trying to do.
  • Casting works best when your computer and TV are within reasonable distance of your router, as Wi-Fi signal strength affects video quality and stability.

Casting from a Windows PC

On Windows 10 and Windows 11, open the Action Center by pressing Windows key + A. Look for a button labeled "Cast" or "Project" in the quick settings panel. Click it, and your computer will search for nearby Chromecast devices. Select your TV from the list, and your screen will begin mirroring to the television.

If you don't see a Cast button in the Action Center, you can also cast through Google Chrome. Open Chrome, click the three-dot menu in the top right corner, select "Cast," choose your TV, and then decide whether to cast the current tab or your entire screen. Casting a single tab uses less bandwidth and battery than mirroring your whole desktop.

The first time you cast to a new device, Windows may ask you to confirm the connection. This is normal and only happens once per device. After that, your TV will appear in the Cast menu automatically whenever both devices are on the same network.

Casting from a Mac

Macs running macOS 10.15 or newer can cast using AirPlay, but this only works if your Chromecast is set up to receive AirPlay signals. To enable this, open the Google Home app on your phone or tablet, select your Chromecast device, tap the settings gear, scroll down to "Recognition & sharing," and turn on "Allow Google Cast connections." This setting allows your Mac to see and cast to the device.

Once AirPlay is enabled on your Chromecast, click the AirPlay icon in the Mac menu bar (it looks like a triangle with a circle underneath) and select your Chromecast from the list. You can mirror your entire screen or extend your display to use your TV as a second monitor. The menu bar icon only appears when AirPlay-compatible devices are nearby.

If you don't see the AirPlay icon in your menu bar, go to System Preferences, click Dock & Menu Bar, select AirPlay, and make sure it's turned on. Macs also support casting through Google Chrome using the same method as Windows—open Chrome, click the three-dot menu, select "Cast," and choose your TV.

Casting from a Chromebook

Chromebooks have built-in casting that integrates directly into the operating system. Click the time in the bottom right corner of your screen to open the system menu, then click "Cast." Your Chromebook will display a list of nearby Chromecast devices. Select your TV, and your screen will begin mirroring when ready.

Chromebooks offer the smoothest casting experience because Chrome OS was designed to work with Chromecast from the ground up. You can cast your entire desktop, a single browser tab, or audio only. The casting menu also shows the name of the device you're currently connected to and lets you disconnect with a single click.

Casting a Browser Tab vs. Your Entire Screen

When you cast through Google Chrome on Windows or Mac, you have two options: "Cast tab" and "Cast entire screen." Casting a single tab sends only that browser window to your TV, leaving your other open windows, notifications, and desktop hidden. This is useful when you want to watch a video or presentation without showing your email, chat messages, or other private content.

Casting your entire screen mirrors everything on your monitor to the TV, including your desktop background, open windows, and any notifications that pop up. This is helpful when you need to show multiple things or navigate between different applications, but it means anything on your screen will be visible on the TV. If you need privacy, close sensitive windows or switch to tab casting before you start.

Audio-only casting sends sound to your TV's speakers without displaying anything on the screen. This works well for music streaming or podcasts when you don't need to see the content. To use audio-only casting, open the Cast menu in Chrome, select your TV, and choose the audio-only option if available.

Troubleshooting Connection Problems

If your computer doesn't see your Chromecast device, first confirm that both are connected to the same Wi-Fi network. Check your computer's network settings and your Chromecast's network status in the Google Home app. If they're on different networks, connect your computer to the same network as your Chromecast.

If the connection keeps dropping or the video lags, move your computer closer to your Wi-Fi router or Chromecast device. Walls, metal objects, and distance can weaken the signal. Restart both your computer and Chromecast by unplugging the Chromecast for 10 seconds, plugging it back in, and waiting for it to fully boot before trying to cast again.

On Windows, if the Cast button doesn't appear in the Action Center, make sure your graphics drivers are up to date. Outdated drivers can prevent casting from working. On Mac, verify that AirPlay is enabled both in System Preferences and in the Google Home app settings for your Chromecast device.

What You Can and Cannot Cast

You can cast video from any website, streaming service, or local file that plays in your web browser. You can also cast audio from music streaming apps, podcasts, and any sound playing on your computer. Your entire desktop can be mirrored, including documents, spreadsheets, presentations, and any process window.

Some streaming services, like Netflix and Disney+, may not allow casting of protected content through screen mirroring on certain devices due to copyright restrictions. If you encounter this, try casting the browser tab instead of your entire screen, or check whether the streaming app itself has a built-in cast button. Most major streaming services include their own cast feature that works independently of your operating system's casting tools.

Protected or DRM-restricted content sometimes won't cast at all, even through a browser tab. This is a limitation built into the content by the service provider, not a problem with your Chromecast or computer. In these cases, your only option is to use the streaming service's native cast button if it has one.

Frequently Asked Questions

Do I need to install anything on my computer to cast to Chromecast?

No. Windows, Mac, and Chromebook all have casting built in. You don't need to read or install software. If you're casting through Google Chrome, you need the browser installed, but Chrome is free and available for all three operating systems.

Can I use my computer while I'm casting to my TV?

Yes. When you cast a single browser tab, you can use other windows and applications on your computer without affecting what's showing on the TV. If you're mirroring your entire screen, anything you do on your computer will appear on the TV in real time, so you'll see your mouse movements and any windows you open.

What happens if I close my laptop while casting?

The casting stops when ready. Your TV will return to its normal input or go blank, depending on your TV's settings. You'll need to open your laptop and reconnect to resume casting. Closing the lid puts most laptops to sleep, which disconnects the Wi-Fi connection.

Can I cast from my phone or tablet to the same TV?

Yes. Android phones and tablets can cast to Chromecast using the same Cast menu found on computers. iPhones and iPads can use AirPlay if your Chromecast is set up to receive AirPlay signals. You can switch between casting from your phone and your computer without any special setup—just select your TV from the Cast menu on whichever device you're using.

Why is my casting video choppy or delayed?

Wi-Fi signal strength is the most common cause. Move your computer and router closer together, or reduce the distance between your computer and Chromecast. Casting also uses bandwidth, so if other devices are downloading large files or streaming video on your network, casting performance may suffer. Restarting your router can also help if the connection feels slow.