How to Cast Laptop To TV

June 30, 2026

To cast your laptop screen to a TV, make sure both devices are connected to the same Wi-Fi network. For Windows, press Windows + K and select your TV. For Mac, click Control Center > Screen Mirroring. For a lag-free, high-quality display, use an HDMI cable.

What Does Casting Actually Mean?

Casting mirrors or streams your laptop screen to a TV over Wi-Fi, without any physical cable connecting the two devices. It relies on both your laptop and TV being on the same network and supporting a shared casting protocol, the three most common being Miracast, Chromecast, and AirPlay.

How to Cast a Windows Laptop to a TV

Method 1: Wirelessly on Windows (Miracast)

Most modern Windows laptops and smart TVs (Samsung, LG, Sony, etc.) support wireless casting.

Ensure your laptop and TV are on the same Wi-Fi network.
Press the Windows Key + K on your keyboard to open the Cast panel.
Click on your TV’s name from the list of available devices.
Press Windows Key + P to choose how you want the screen to behave (Duplicate, Extend, or Second Screen Only).

If your TV does not show up, make sure both devices are connected to the same Wi-Fi network and that Miracast is enabled in your TV’s settings menu.

Pro Tip

For the smoothest wireless casting experience, keep your laptop close to your Wi-Fi router or use a 5 GHz Wi-Fi network if available. A stronger connection reduces lag, improves video quality, and helps prevent screen freezes or audio sync issues during presentations or streaming

Method 2: Wirelessly using Google Chrome

If you have a TV with Chromecast built-in (or a plugged-in Chromecast device), use the browser to cast.

Ensure both devices are on the same Wi-Fi network.
Open the Google Chrome browser on your laptop.
Click the three vertical dots (menu icon) in the top-right corner.
Click Save and share > Cast….
Click the Sources dropdown at the bottom and select Cast screen.
Select your TV from the list to mirror your entire desktop.

This method is particularly reliable for casting video content since it streams directly rather than mirroring the whole screen.

How to Cast a MacBook to a TV

To cast your MacBook to a TV wirelessly, use Apple AirPlay, which is built into modern MacBooks and most recent Smart TVs.

Follow these quick steps:

Connect to Wi-Fi: Ensure your MacBook and your TV are on the exact same Wi-Fi network.
Enable AirPlay on TV: (If required) Go to your TV’s settings and make sure Apple AirPlay is turned on.
Select Screen Mirroring: On your MacBook, click the Control Center icon (two pill-shaped icons or the sliders) in the top-right corner of the menu bar.
Choose your TV: Click Screen Mirroring (two overlapping rectangles) and select your TV from the list.
Enter the Code: Type the four-digit PIN code that appears on your TV screen into your Mac to connect.

Once connected, you can use the same Screen Mirroring menu to either mirror your Mac’s exact display or “extend” your desktop so the TV acts as a second, independent monitor.

Alternative Methods

Wired Connection (HDMI)

For the most reliable connection with zero lag, a physical cable is best.

If your Mac has an HDMI port: Just connect a standard HDMI cable from your Mac to your TV.
If your Mac only has USB-C ports: Use a USB-C to HDMI Adapter or a multi-port hub to connect the HDMI cable.
On your TV, ensure the input/source is set to the correct HDMI port (e.g., HDMI 1)

Casting via Google Chromecast

If your TV supports Google Cast (or you have a Chromecast device plugged in), you can cast specific apps (like Chrome, YouTube, or Netflix) from your MacBook:

Open the Google Chrome browser on your Mac.
Click the three dots (menu) in the top right corner.
Select Cast… and choose your TV or casting device.

Note: For full-screen casting via Chromecast, you will need to cast the entire browser tab or desktop, which may have slight performance delays compared to AirPlay.

Troubleshooting Casting Problems

TV not showing up in the list: Restart your router, confirm both devices are on the same network band (2.4GHz networks sometimes cause issues with 5GHz only devices), and update your TV’s firmware.
Casting works but lags or buffers: This usually points to a weak Wi-Fi signal. If you are casting in a venue with a lot of connected devices, a dedicated event festival wifi hire setup keeps the connection stable for presentations and live demos.
Audio plays but video freezes: Often caused by an outdated graphics driver. Updating it from Device Manager on Windows usually resolves the issue.

Whether you’re watching videos, delivering presentations, or working on a larger display, these guides will help you get the most out of your laptop setup.

When Wireless Casting Is Not an Option

Older TVs or laptops without Miracast, Chromecast, or AirPlay support will need a physical connection instead. If wireless casting is not working for your setup, our guide on connect a laptop to a smart TV covers HDMI and other wired methods step by step.

Using a Rented Laptop for Presentations and Events

If you are running a corporate event, conference, or training session and need a device that is guaranteed to cast reliably to venue screens, our gaming laptop rental and standard business units come preconfigured with the latest Windows builds, so Miracast and screen mirroring work without any extra setup on site.

Final Thoughts

Casting a laptop to a TV is faster and easier than most people expect, with Miracast, Chromecast, and AirPlay covering nearly every modern device combination. If your laptop cannot cast reliably or you need extra units for an event, browse our best rental laptops for devices ready to connect the moment they arrive.

Frequently Asked Questions

How do I mirror my Mac to my TV?

You can mirror your Mac to your TV using AirPlay or an HDMI cable. If your TV supports AirPlay, make sure both devices are connected to the same Wi-Fi network, then select Screen Mirroring from the Control Centre on your Mac and choose your TV. For a wired connection, simply connect your Mac to the TV with a compatible HDMI adapter.

How do I connect my MacBook to my TV wirelessly?

To connect your MacBook to your TV wirelessly, both devices must be on the same Wi-Fi network and your TV must support AirPlay or screen mirroring. Open Control Centre, click Screen Mirroring, and select your TV from the list. Once connected, you can mirror your display or use the TV as an extended screen.

How do I get my Mac to show on my TV?

You can display your Mac on a TV by connecting it with an HDMI cable or using AirPlay if your TV supports wireless casting. After connecting, choose the appropriate display option in System Settings > Displays to mirror your screen or extend your desktop across both displays.

How do I mirror my MacBook to my TV without HDMI?

You can mirror your MacBook to your TV without an HDMI cable by using AirPlay or another compatible wireless display technology. Ensure both devices are connected to the same Wi-Fi network, then select your TV from the Screen Mirroring menu in the Control Centre. This lets you stream your MacBook display without any physical cables.

Can I connect my MacBook to any smart TV?

Yes, you can connect your MacBook to most smart TVs using either AirPlay, if supported, or an HDMI cable with the appropriate adapter. If your TV does not support AirPlay, third-party casting apps or streaming devices may also allow wireless screen sharing.

Why won’t my Mac connect to my TV?

If your Mac is not connecting to your TV, check that both devices are on the same Wi-Fi network for wireless connections or that all cables are securely connected for wired connections. Restarting both devices, updating macOS, or selecting the correct TV input can often resolve connection issues.

Can I use my TV as a second screen for my Mac?

Yes, you can use your TV as a second display instead of simply mirroring your Mac’s screen. After connecting, go to System Settings > Displays and choose the option to extend your desktop, allowing you to use the TV and Mac display independently.