AirPlay from a Mac to a TV: the menu bar item that starts and stops it

Sending a Mac screen to a television is a two second job when it works and a strange one when it does not, because almost the entire feature hides behind a single control at the top right of the screen. Find that control and the rest is a short list of choices. Fail to find it and the usual next step is a hunt through System Settings, which is the wrong place to be looking.

The control is Screen Mirroring, and it lives in Control Center, with an option to sit in the menu bar as well. What follows is where it is, what each of its choices actually does to the TV, and the handful of reasons a television refuses to appear in its list.

What has to be true before the TV shows up

AirPlay from a Mac needs a receiver that speaks AirPlay: an Apple TV, or a smart TV that lists AirPlay among its features. A television with no AirPlay support will never appear, no matter what the Mac is doing, and the answer there is a cable rather than a setting.

Beyond that, Apple's requirement is short. Both devices need Wi-Fi turned on and need to be on the same network. Signing both into the same Apple Account is not strictly required but makes the connection smoother and keeps the list of available screens honest. The television has to be powered on and awake, and on a smart TV the AirPlay setting has to be turned on in the television's own settings, which is a separate switch from the Mac's.

Two details catch people out. A Mac plugged into Ethernet with Wi-Fi switched off will not find an AirPlay target, because discovery happens over Wi-Fi even when the video could travel over the wire. And many homes and most offices run a second guest network; a Mac on the guest band and a TV on the main one are, as far as AirPlay is concerned, in different buildings.

The network is the requirement that fails most often, and neither device reports it as a network problem. The symptom is just an empty list.

Starting it from the top of the screen

Click the Control Center icon in the menu bar, then click Screen Mirroring, then choose the television from the list. If a four digit code appears on the TV screen, type it on the Mac. That code appears once per pairing rather than every time.

What happens next depends on the version of macOS, and on recent releases including the current one, macOS 27, the Mac offers a choice on screen instead of assuming. The options are to share a single window, to mirror the Mac screen, or to extend the Mac screen onto the television. Pick one and the picture appears. There is a Set as Default control that saves the answer so the same choice is used next time without asking, a Change control for when the saved answer is wrong, and an Add Window control for sending a second window when window sharing is what you chose.

Stopping is the same journey in reverse, and there is a Stop button on the sharing controls for exactly that. The habit worth building is stopping deliberately rather than walking away from the room, because a Mac that is still mirroring to a television is a Mac whose display arrangement is still rearranged.

Mirror, extend, or send one window

These three are not variations on a theme. They change what the Mac thinks its display situation is.

Choice	What the TV shows	What the Mac screen shows	Good for
Mirror	A copy of the Mac screen	The same thing, unchanged	Presenting, where you need to see what they see
Extend	Empty desktop space you drag windows onto	Only the windows you keep	A second monitor across the room
Share a window	One window, and nothing else	Everything, including the rest of your work	Showing one document without showing the desktop

Mirroring is the safe default for a room, because what you see is what is on the wall. Its cost is resolution: the Mac usually settles both screens on a shape they can both manage, so a large television and a laptop display end up compromising.

Extending gives the television its own desktop, arranged in System Settings under Displays behind the Arrange button, where the TV appears as another display and can be dragged into position relative to the built in screen. This is the better choice for a long working session, and the worse choice for presenting, because the audience sees a screen you are not looking at.

Sharing a single window is the quietest of the three and the one most people do not know exists. Everything except that window stays private, including notification banners, other windows, and the row of status icons at the top of the screen. When the job is to show a client one document, this is the choice that does it without a rehearsal.

Why the control is sometimes missing

Screen Mirroring lives in Control Center, and whether it also appears as its own item in the menu bar is a choice. The route is Control Center itself: click it in the menu bar, click Edit Controls, then drag Screen Mirroring from Control Center or the Controls Gallery onto the menu bar. Dragging it off the bar in the same view removes it again, and holding Command while dragging a status icon moves it along the bar or pulls it out. Keeping Screen Mirroring on the bar gives a one click start and, more usefully, a one click stop while a session is running.

The second reason it goes missing is that the menu bar has run out of room. Menu bar items are drawn from the right, and the app in front takes the left side for its own menus, so on a MacBook with a notch the items nearest the middle simply stop being drawn. There is no overflow and no warning. An item that is visible in Finder can be gone in a browser with a long menu, which makes the vanished Screen Mirroring icon look like a bug rather than a width problem.

This is where a tool that hides menu bar icons on a Mac earns its place, because the row that matters during a presentation is short: Screen Mirroring, the clock, battery, and nothing else. Putting the sync clients and the clipboard tools behind a divider, with a keystroke to bring them back, both frees the width and cleans up what the audience reads. The collapse and reveal behaviour is the part that matters here, since an icon you can still click while the bar is folded is a control and not just a hidden decoration.

What a TV session changes on the Mac itself

Connecting to a television does more than put a picture somewhere else. It changes what macOS thinks its display arrangement is, and that arrangement stays changed until the session ends.

With extending, the Mac gains a second display, and everything that follows from having two displays applies. Windows drag across the boundary. A full screen video can sit on the television while a browser stays on the laptop. The relative position of the two screens is set in System Settings under Displays, behind the Arrange button, where the television appears as a second rectangle that can be dragged above, beside, or below the built in screen. Getting that arrangement wrong is the reason a pointer seems to vanish: it left the laptop screen along an edge that, in the arrangement, leads to the television.

One display is the main one, and the main display is where the menu bar and the Dock live. That is also chosen in the same Arrange view. Making the television the main display moves the entire menu bar onto the wall, which is occasionally what a presenter wants and is more often a surprise. By default the second screen carries a menu bar of its own as well, so the television gets a full copy of the status icons rather than a share of them.

Notification banners follow the menu bar rather than the pointer. That is the detail worth checking before a meeting, because it decides whether a message arriving mid sentence lands on the laptop in front of you or on the television behind you. Turning on a Focus removes the question entirely.

If the picture on the television looks soft or the wrong shape, the resolution the Mac chose for it is listed in the same Displays settings and can be changed there. A television is usually happier at a resolution it advertises than at one the Mac picked to match the laptop.

When the session ends, windows come back to the built in screen, though not reliably to the positions they held before. That is one more argument for stopping the session deliberately rather than closing the lid and walking out of the room.

Sound takes its own path

Video and audio are separate destinations on a Mac, which is convenient once you know it and confusing until then. The Screen Mirroring control sends the picture. Sound follows its own route, and the AirPlay audio control sends it to a speaker, a HomePod, or the television, independently of where the picture is going.

The practical consequence is worth remembering before a meeting. A Mac can be mirroring to a television while its sound still comes out of the laptop speakers, or the other way around. If the video plays on the wall in silence, the sound output is the setting to check, not the mirroring.

When the television never appears

Work through these in order, because they are roughly ordered by how often they turn out to be the cause.

Wi-Fi is off on the Mac, or the Mac is on a different network from the television. Fix the network first and a surprising share of AirPlay problems disappear. On a network with a guest band, check which one each device joined rather than assuming.

The television's own AirPlay setting is off. On smart TVs this lives in the television's settings, often with a separate option for whether a passcode is required every time, and it is easy to leave switched off after a factory reset or a firmware update.

The television is asleep, or on another input. Some sets wake for AirPlay and some do not, depending on the model's power settings.

The network blocks traffic between devices. This is normal on hotel Wi-Fi, conference Wi-Fi, and many corporate networks, and it cannot be fixed from either device. A cable from the Mac to the television's HDMI input is the working answer in that room.

If the connection starts and then breaks up, the cause is almost always wireless congestion rather than either device. Moving the Mac closer to the access point, or putting the Apple TV on Ethernet, is more effective than any setting on the Mac.

What to change first

Put Screen Mirroring on the menu bar through Control Center and its Edit Controls view, so that starting and stopping is one click rather than two, then decide before the meeting whether the TV is mirroring or extending. If the item keeps getting pushed off the bar by other icons, that is a width problem worth fixing with a tool such as Koffret rather than living with.