The fastest way depends on which Mac and TV you have

Most Macs connect to a TV through an HDMI cable, a USB-C cable, or AirPlay wireless streaming. Which one works for you depends on what ports your Mac has and what your TV supports. If your Mac is from 2015 or later, you likely have USB-C or Thunderbolt ports. If it's older, you may need an adapter. The TV itself just needs to accept HDMI input, which nearly all modern TVs do.

The simplest physical connection is usually a cable — either HDMI directly or USB-C to HDMI with an adapter. AirPlay is wireless and works well if your Mac and TV are on the same Wi-Fi network and your TV has AirPlay built in (most newer Samsung, LG, and Apple TVs do). If your TV doesn't have AirPlay, a cable is your only option.

Key Takeaways

  • USB-C to HDMI adapters are the most common solution for modern Macs, since most have USB-C ports and TVs have HDMI inputs.
  • AirPlay wireless streaming works if your TV supports it and both devices are on the same Wi-Fi network, with no cable required.
  • Older Macs with Mini DisplayPort or Thunderbolt need a different adapter than newer USB-C models, so check your port type first.
  • Once connected, your Mac treats the TV as an extended display or mirror, and you control what appears on it from System Settings.

Identify your Mac's ports and connection options

Open the Apple menu in the top left corner and select About This Mac. Look at the year and model. Then physically inspect the sides of your Mac for the ports themselves — this matters because the name alone doesn't always tell you which adapter you need.

MacBook Pro and MacBook Air models from 2016 onward have USB-C or Thunderbolt ports (they look the same). Mac minis from 2018 onward have USB-C. Older models — MacBook Pro before 2016, MacBook Air before 2018, older Mac minis — have Mini DisplayPort or Thunderbolt ports, which are smaller and shaped differently. If you see a port that looks like a flat rectangle about the size of a USB port, that's USB-C. If you see a smaller port with a lightning-bolt symbol next to it, that's Thunderbolt (which works with USB-C adapters). If you see a port with a small triangle symbol, that's Mini DisplayPort.

Check whether your TV has HDMI ports on the back or side. Nearly all TVs made in the last ten years have at least two. If you're not sure, look at the TV's manual or search the model number online.

Connect with a USB-C or Thunderbolt to HDMI cable or adapter

This is the most straightforward wired option for modern Macs. You need a USB-C to HDMI adapter or a USB-C to HDMI cable. The adapter is a small box that plugs into your Mac's USB-C port on one end and accepts an HDMI cable on the other. A USB-C to HDMI cable combines both into one piece. Either works — the cable is neater if you have room, the adapter is cheaper and easier to replace if it breaks.

Plug the USB-C end into your Mac and the HDMI end into an available HDMI port on your TV. Your Mac should recognize the TV within a few seconds. If it doesn't, restart your Mac and try again. Go to System Settings (or System Preferences on older macOS versions), then Displays, and you should see the TV listed as an available display.

The adapter should cost between $15 and $40. Avoid extremely cheap ones under $10 — they often fail quickly or don't transmit video reliably. Brands like Belkin, Anker, and Apple's own adapters are reliable choices.

Connect an older Mac with Mini DisplayPort or Thunderbolt

If your Mac has a Mini DisplayPort or older Thunderbolt port, you need a different adapter than USB-C models. Look for a Mini DisplayPort to HDMI adapter or Thunderbolt to HDMI adapter. These are less common than USB-C adapters, so you may need to order online rather than find one in a store.

The connection process is identical: plug the adapter into your Mac's port, connect an HDMI cable from the adapter to the TV, and the TV should appear in System Settings > Displays within seconds. These adapters typically cost $20 to $50.

Use AirPlay to stream wirelessly from your Mac

If your TV supports AirPlay — including Apple TV, newer Samsung TVs, LG TVs, and some others — you can send video from your Mac without any cable. Both your Mac and TV must be connected to the same Wi-Fi network.

Click the Control Center icon in the top right corner of your Mac (it looks like a grid of dots). Select Screen Mirroring. A list of available displays appears, including any AirPlay-compatible TVs on your network. Click the TV you want to use. Your Mac screen will appear on the TV within a few seconds.

To stop mirroring, open Control Center again, click Screen Mirroring, and select Stop Mirroring. AirPlay works well for presentations, watching videos, or casual use, but it can have slight lag if your Wi-Fi is slow or far from your router. A wired connection is more reliable for gaming or video editing.

Choose between mirroring and extending your display

Once your Mac is connected to the TV, you have two options. Mirroring shows the same thing on both screens — useful for presentations or watching together. Extending treats the TV as a second workspace where you can drag windows and work on different things on each screen.

To change this setting, go to System Settings > Displays. If you have multiple displays connected, you'll see options for each one. Look for a checkbox or toggle that says Mirror Displays. If it's checked, you're mirroring. Uncheck it to extend. You can also arrange the displays by dragging them in the diagram shown — this tells your Mac which direction the TV is positioned relative to your main screen, so moving your mouse feels natural.

Extending is more powerful if you have screen space, but it requires you to manage two separate workspaces. Mirroring is simpler if you just want to show your Mac's screen to others or on a larger display.

Troubleshoot if the TV doesn't appear or show video

If you've plugged in the cable or enabled AirPlay but the TV stays blank, try these steps in order.

First, make sure the TV is on and set to the correct HDMI input. Use the TV remote to switch inputs — usually a button labeled Input, Source, or HDMI. If you're not sure which input you plugged into, try each one.

Second, restart your Mac. Shut it down completely, wait 10 seconds, and turn it back on. Then plug the cable back in or re-enable AirPlay.

Third, check that your adapter or cable is working. Try a different USB-C port on your Mac if you have one. If you borrowed the adapter from someone else, try a different one if possible — adapters fail silently sometimes.

Fourth, update your macOS. Go to System Settings > General > Software Update and install any available updates. Older macOS versions sometimes have display bugs that newer versions fix.

If the TV still doesn't show anything after these steps, the adapter may be faulty. Try a different one before assuming the problem is with your Mac.

Frequently Asked Questions

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

Any standard HDMI cable works fine — there's no "special" version for Macs. The only thing that matters is the adapter on the Mac end. Make sure it matches your Mac's port type: USB-C, Thunderbolt, or Mini DisplayPort.

Can I use my Mac and TV at different resolutions?

Yes. Your Mac will automatically detect the TV's native resolution and use it. You can also manually set a lower resolution in System Settings > Displays if you want sharper text or different scaling, though this is rarely necessary.

Will connecting to a TV slow down my Mac?

No. The TV is just a display — it doesn't affect your Mac's processing speed. You might see slight lag in AirPlay if your Wi-Fi is weak, but a wired connection has no performance impact.

What if my TV doesn't have HDMI?

Very old TVs with only composite (yellow, red, white) or VGA inputs exist but are rare. If you have one, you need a USB-C to VGA adapter instead, which works the same way. These are harder to find and cost more. Replacing the TV is usually more practical.

Can I charge my Mac while it's connected to the TV?

If you're using a USB-C to HDMI adapter, you can plug a separate USB-C power cable into another USB-C port on your Mac at the same time. If you're using a USB-C to HDMI cable, you cannot charge simultaneously — you'd need to unplug the video cable. This is one reason adapters are often more practical than cables.