How to Connect Your Mac to a TV

The three ways to connect a Mac to a TV

You can connect a Mac to a TV using a cable, wirelessly through AirPlay, or by using an external adapter. Which one works depends on what ports your Mac has, what inputs your TV has, and whether you want to move around while you're using it. Cable connections are the most reliable but tie you to one spot. AirPlay works from anywhere in your home but requires both devices to be on the same Wi-Fi network. Adapters let you use older cables or convert between different connection types.

The fastest route is usually the cable that came with your Mac or TV, or a single adapter if you need one. Most people find AirPlay easier once it's set up because you don't have to plug anything in each time.

Key Takeaways

HDMI cables work with most modern Macs and TVs, but older Macs use Thunderbolt, USB-C, or Mini DisplayPort and need an adapter.
AirPlay is wireless and works from anywhere in your home, but both your Mac and TV must be on the same Wi-Fi network and your TV must support AirPlay.
Cable connections are more stable for video games, video editing, or presentations because they don't depend on Wi-Fi strength.
Your Mac will usually detect the TV automatically once you plug in a cable or select it from the AirPlay menu, and you can choose whether to mirror or extend your display.

Using a cable: HDMI and adapters

Most modern TVs have at least one HDMI port. Most modern Macs have USB-C or Thunderbolt ports, not HDMI. This means you almost always need an adapter. The adapter converts your Mac's port type to HDMI so the cable can plug in.

Check what ports your Mac has by looking at the sides of the machine. If you see small oval ports, those are Thunderbolt or USB-C. If your Mac is older than 2015, it might have a Mini DisplayPort (looks like a flat rectangle with a notch). Once you know your port type, buy an adapter that matches — for example, "USB-C to HDMI adapter" or "Thunderbolt to HDMI adapter." These cost between $15 and $40 and are sold at most electronics stores.

Plug the adapter into your Mac, then plug an HDMI cable into the adapter and into your TV. Turn on the TV and switch it to the HDMI input where you plugged in the cable. Your Mac should recognize the TV within a few seconds. If it doesn't, go to System Settings, click Displays, and look for the TV in the list.

Using AirPlay: wireless connection

AirPlay lets you send video and audio from your Mac to your TV without any cables. Your TV must support AirPlay — most TVs made after 2018 do, but check your TV's manual or the manufacturer's website if you're not sure. Both your Mac and TV must be connected to the same Wi-Fi network.

To connect, click the Control Center icon in the top right corner of your Mac screen (it looks like a rectangle with sliders). Click Screen Mirroring. You'll see a list of available TVs and AirPlay devices. Select your TV. If your TV asks for a code, it will show on your screen — type it into your TV remote or on-screen keyboard.

Once connected, your Mac screen appears on your TV. You can choose to mirror (your Mac screen and TV show the same thing) or extend (your TV becomes a second display). To switch between these, go back to Control Center, click Screen Mirroring, and select the option you want.

When to use a cable instead of AirPlay

A cable connection is more stable than AirPlay because it doesn't depend on Wi-Fi. If you're playing a video game, editing video, or giving a presentation where a dropped connection would be a problem, use a cable. Cables also work better if your Wi-Fi is slow or if your Mac and TV are far apart.

AirPlay can lag slightly behind what's happening on your Mac — usually less than a second, but enough to notice if you're playing fast-paced games. If you're just watching a movie or browsing the web, you won't notice the difference.

Choosing between mirror and extend

Mirror means your TV shows exactly what your Mac screen shows. This is useful for presentations, watching videos, or showing someone else what you're doing. Your TV and Mac display the same resolution, so if your TV is larger than your Mac screen, the image might look blurry.

Extend means your TV becomes a second display. Your Mac screen stays on your laptop or monitor, and the TV shows different content. This is useful if you want to watch a video on your TV while you work on your Mac, or if you want more screen space. To extend, go to System Settings, click Displays, then click Arrangement and drag the TV display to the side of your Mac display.

Troubleshooting a connection that won't work

If your Mac doesn't recognize the TV after you plug in a cable, try unplugging the cable and plugging it back in. Then go to System Settings, click Displays, and look for an option to detect displays. If the TV still doesn't show up, the adapter might be broken — try a different adapter if you have one.

If AirPlay isn't working, make sure both your Mac and TV are on the same Wi-Fi network. Restart both devices by turning them off and on again. If your TV supports AirPlay but doesn't show up in the Screen Mirroring menu, go to your TV's settings and make sure AirPlay is turned on. Some TVs require you to enable it before it will appear.

If the image on your TV looks blurry or the colors are wrong, go to System Settings, click Displays, and adjust the resolution. Lower resolutions sometimes look better on larger screens. If the TV shows "no signal," make sure you selected the correct HDMI input on the TV remote.

Audio and video sync issues

Sometimes the sound comes out of your Mac speakers instead of your TV speakers. Go to System Settings, click Sound, and select your TV from the Output Device list. If your TV isn't listed, make sure it's connected and turned on, then click the refresh button.

If the audio is out of sync with the video — the sound lags behind the picture — this usually happens with AirPlay over a slow Wi-Fi connection. Move your Mac closer to your Wi-Fi router or use a cable connection instead. With a cable, sync problems are rare.

Frequently Asked Questions

Do I need a special cable or will any HDMI cable work?

Any standard HDMI cable works. The cable itself doesn't matter — what matters is the adapter that connects your Mac's port to HDMI. Once you have the right adapter, any HDMI cable will work.

Can I use AirPlay if my TV doesn't support it?

No, AirPlay only works with TVs that have it built in. If your TV doesn't support AirPlay, use a cable connection instead. Some older devices like Apple TV boxes can add AirPlay to a TV that doesn't have it, but that requires buying an extra device.

Will connecting my Mac to a TV drain the battery faster?

Yes, both cable and AirPlay connections use more power than just using your Mac alone. If you're using a cable, plug your Mac into power. AirPlay drains the battery faster than a cable because Wi-Fi uses more energy than a direct connection.

What if my Mac screen is smaller than my TV screen?

In mirror mode, your Mac's resolution will be stretched to fit the TV, which can make text and images look blurry. In extend mode, your TV becomes a second display at its native resolution, so the image will be sharp. For watching videos or presentations, extend mode usually looks better on a large TV.

Can I connect multiple Macs to the same TV?

Only one Mac can be connected at a time, whether by cable or AirPlay. To switch, disconnect the first Mac and connect the second one. With AirPlay, you just select a different Mac from the TV's AirPlay menu.

This guide is for general information only and is not medical, financial, legal, or other professional advice. For decisions specific to your situation, consult a qualified professional. See our Editorial Policy.