The fastest way to get YouTube on your TV screen

You can send YouTube from your laptop to your TV using Chromecast, AirPlay (if you have an Apple TV), or a Miracast connection, depending on what devices you own. The simplest method is Chromecast: you click a cast button in the YouTube app or browser, pick your TV from a list, and the video plays on the big screen while you keep using your laptop normally. The whole process takes about 10 seconds once everything is set up.

All three methods work the same basic way — your laptop sends a signal to a receiver plugged into or built into your TV, and the receiver plays the video. You do not need to plug any cables in. Your laptop and TV just need to be on the same Wi-Fi network.

Key Takeaways

  • Chromecast is the most common casting method and works with any laptop that has a web browser or the YouTube app.
  • Your laptop and TV must be connected to the same Wi-Fi network for casting to work.
  • You click a cast icon (usually a rectangle with curved lines) in YouTube, select your TV from the list, and the video plays on your screen.
  • If you do not see a cast button, your TV may not have a Chromecast receiver, or you may need to restart your laptop and TV.

Casting with Chromecast on Windows or Mac

Open YouTube in your web browser (Chrome, Edge, Firefox, or Safari all work) or use the YouTube app on your laptop. Look for the cast icon — it looks like a rectangle with three curved lines in the bottom right corner. Click it.

A small window will pop up showing all the Chromecast devices on your network. Click the name of your TV. YouTube will ask you to confirm; click "Cast" again. The video will start playing on your TV, and you can close the window or keep it open to control volume and pause from your laptop.

If you do not see the cast icon, your TV may not have Chromecast built in, or you may need a separate Chromecast device (a small stick or box that plugs into an HDMI port). You can also try restarting both your laptop and TV, then opening YouTube again.

Using AirPlay if you have an Apple TV

If your TV is an Apple TV or has AirPlay built in, the process is similar but uses Apple's system instead. On a Mac, open YouTube in Safari or the YouTube app. Look for the AirPlay icon (it looks like a triangle with a line underneath) in the top right corner of your screen or in the video player.

Click the AirPlay icon and select your Apple TV from the list. The video will start playing on your TV. On a Windows laptop, AirPlay is not available — you will need to use Chromecast or Miracast instead.

Casting with Miracast on Windows

Miracast is built into Windows 10 and Windows 11 and works with many modern TVs and streaming devices. Open YouTube in your browser. Press the Windows key and the K key at the same time (or go to Settings > System > Display > Cast). A panel will open on the right side of your screen showing nearby devices.

Click your TV's name. Windows will ask for permission; allow it. YouTube will open on your TV. If your TV does not appear in the list, make sure it is turned on and that both devices are on the same Wi-Fi network. Some older TVs do not support Miracast — check your TV's manual or settings to confirm.

What to do if casting is not working

The most common reason casting fails is that your laptop and TV are on different Wi-Fi networks. Check that both devices are connected to the same network name (SSID). If you have a 2.4 GHz and 5 GHz network with the same name, try connecting both devices to the same band.

If your devices are on the same network and casting still does not work, restart both your laptop and TV, then try again. If you are using Chromecast, make sure the Chromecast device itself is powered on — the light on it should be lit. If you are using a browser, try a different browser (Chrome works most reliably). If you are using the YouTube app, close it completely and reopen it.

If the cast button never appears, your TV may not have a Chromecast receiver. You can buy a standalone Chromecast device for $30 to $50 that plugs into any TV's HDMI port and adds casting to any TV.

Controlling playback once the video is casting

Once YouTube is playing on your TV, you can control it from your laptop using the cast window that stays open. You can pause, play, skip forward and backward, adjust volume, and stop casting. You can also use your TV remote if it supports YouTube controls, though not all remotes do.

While the video is casting, your laptop screen is free to use for other things — you can browse, check email, or open other apps. The video will keep playing on your TV. To stop casting, click the cast icon again and select "Stop Casting," or just turn off your TV.

Casting full-screen vs. casting a tab

When you cast YouTube through the cast button in the app or browser, you are casting just the video — this is called app casting or video casting. Your laptop screen stays independent and you can use it for other things.

If you want to cast everything on your laptop screen (your whole desktop or just one browser tab), you can do that instead, but it uses more bandwidth and drains your laptop battery faster. To cast your whole screen on Windows, use the Miracast method described above. On Mac, use AirPlay. This method is useful if you want to show a presentation or share your entire screen, but for YouTube, app casting is simpler and more efficient.

Frequently Asked Questions

Do I need to pay for Chromecast or casting?

No. Casting is free. If your TV does not have Chromecast built in, you can buy a Chromecast device for $30 to $50, but the casting feature itself costs nothing. YouTube does not charge extra for casting.

Can I cast YouTube from my phone to my TV the same way?

Yes. On Android or iPhone, open the YouTube app, tap the cast icon, and select your TV. The process is identical. Your phone and TV must be on the same Wi-Fi network.

What if my TV is too old to have Chromecast?

You can buy a Chromecast device (a small stick or box) that plugs into your TV's HDMI port. It adds casting to any TV made in the last 10 years. Roku, Fire TV, and Apple TV devices also support casting and work the same way.

Will casting slow down my internet?

Casting uses your Wi-Fi network, but it does not use much bandwidth — YouTube video is compressed. You may notice a slight slowdown on other devices if your Wi-Fi is weak, but most home networks handle it fine. If your internet is very slow, the video on your TV may buffer or pause.

Can I cast if my laptop is not plugged in?

Yes, but your laptop battery will drain faster because it is sending video to your TV. Plugging in your laptop is recommended if you plan to cast for more than an hour.