Display For Mac Air

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Extend or mirror your Mac desktop with Sidecar

First, align the bar along the bottom bezel of the screen (this model is specifically sized for the 13-inch MacBook Air), then attach a couple of small round adhesive magnets. After that, the bar.

  1. Make sure that your Mac and iPad meet the Sidecar system requirements.
  2. You can use Sidecar wirelessly, but to keep your iPad charged during use, connect it directly to your Mac with the USB charge cable that came with your iPad.
  3. Click the AirPlay icon in the menu bar on your Mac, then choose the option to connect to your iPad. Or use Sidecar preferences to connect.
    If you don't see the AirPlay icon, choose Apple menu  > System Preferences, click Displays, then make sure that ”Show mirroring options in the menu bar when available” is selected.
  4. Your iPad should now show an extension of your Mac desktop. You can move windows to it and use it like any other display.
  5. To mirror your Mac display so that both screens show the same content, return to the AirPlay menu, which is a blue rectangle while using Sidecar. Choose the option to mirror your display. This is a great way to share your Mac screen with others.
  6. To end your Sidecar session, return to the AirPlay menu and choose the option to disconnect. Or click the Disconnect button in the sidebar on your iPad.

Learn more about using external displays. For example, you can use Displays preferences to arrange displays so that your iPad extends the left, right, top, or bottom of your desktop.

Move a window to your iPad display

If you hover your pointer over the full-screen button of a window, you can choose to move that window to or from your iPad display. It's faster than dragging the window, and the window is perfectly resized for your display.

The sidebar puts commonly used controls on the side of your iPad screen. It includes Command, Shift, and other modifier keys, so you can choose essential commands with your finger or Apple Pencil instead of a keyboard.

Use Sidecar preferences to turn off the sidebar or change its position.


Tap to show or hide the menu bar when viewing a window in full screen on iPad.

Command. Touch and hold to set the Command key. Double-tap to lock the key.

Option. Touch and hold to set the Option key. Double-tap to lock the key.

Control. Touch and hold to set the Control key. Double-tap to lock the key.

Shift. Touch and hold to set the Shift key. Double-tap to lock the key.

Undo the last action. Some apps support multiple undos.

Use the Touch Bar

Many apps on Mac have Touch Bar controls that make common actions even easier. With Sidecar, you get a Touch Bar on your iPad screen even if your Mac doesn’t have a Touch Bar. It works just like the Touch Bar on Mac, and you can tap its controls with either your finger or Apple Pencil.

Use Sidecar preferences to turn off the Touch Bar or change its position.

If the Touch Bar doesn't appear when using an app that offers Touch Bar controls, choose Apple menu  > System Preferences, click Mission Control, then make sure that “Displays have separate Spaces” is selected.

Use gestures for scrolling and other actions

Multi-Touch gestures on iPad remain available when using Sidecar. These gestures are particularly useful with Sidecar:

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Display For Mac Air
  • Scroll: Swipe with two fingers.
  • Copy: Pinch in with three fingers.
  • Cut: Pinch in with three fingers twice.
  • Paste: Pinch out with three fingers.
  • Undo: Swipe left with three fingers, or double-tap with three fingers.
  • Redo: Swipe right with three fingers.

Use Apple Pencil

To point, click, select, and perform tasks such as drawing, editing photos, and manipulating objects on your iPad while it's extending or mirroring your Mac display, you can use your Apple Pencil instead of the mouse or trackpad connected to your Mac. You can also use it to write, sketch, and mark up documents while seeing the updates live on your Mac.

Sidecar also supports double-tap, which you can turn on in Sidecar preferences. Double-tap enables apps that support this feature to perform custom actions when you double-tap on the side of your Apple Pencil (2nd generation).

Use a keyboard, mouse, or trackpad

During your Sidecar session, you can type using a keyboard connected to either your Mac or iPad, including the Smart Keyboard or Magic Keyboard for iPad.

To point, click, or select with a mouse or trackpad, use the mouse or trackpad connected to your Mac, or use an Apple Pencil on your iPad.

Use iPad apps

While using Sidecar, you can switch to an iPad app, then interact with that app on your iPad as you normally would. This suspends your Sidecar session until you switch back to the Sidecar app or disconnect Sidecar. The Sidecar app appears on your home screen only while using Sidecar.


Use Sidecar preferences

Choose Apple menu  > System Preferences, then click Sidecar. These preferences are available only on computers that support Sidecar.


  • Show Sidebar: Show the sidebar on the left or right side of your iPad screen, or turn it off.
  • Show Touch Bar: Show the Touch Bar on the bottom or top of your iPad screen, or turn it off.
  • Enable double tap on Apple Pencil: Allow apps that support this feature to perform custom actions when you double-tap on the side of your Apple Pencil (2nd generation).
  • Connect to: Choose an iPad to connect to, or click Disconnect to stop using Sidecar.

Sidecar system requirements

Sidecar requires a compatible Mac using macOS Catalina and a compatible iPad using iPadOS 13:

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Mac using macOS Catalina

  • MacBook Pro introduced in 2016 or later
  • MacBook introduced in 2016 or later
  • MacBook Air introduced in 2018 or later
  • iMac introduced in 2017 or later, plus iMac (Retina 5K, 27-inch, Late 2015)
  • iMac Pro
  • Mac mini introduced in 2018 or later
  • Mac Pro introduced in 2019

iPad using iPadOS 13

  • iPad Pro: all models
  • iPad (6th generation) or later
  • iPad mini (5th generation)
  • iPad Air (3rd generation)

Additional requirements

  • Both devices must be signed in to iCloud with the same Apple ID using two-factor authentication.
  • To use Sidecar wirelessly, both devices must be within 10 meters (30 feet) of each other and have Bluetooth, Wi-Fi, and Handoff turned on. Also make sure that the iPad is not sharing its cellular connection and the Mac is not sharing its Internet connection.
  • To use Sidecar over USB, make sure that your iPad is set to trust your Mac.

Learn more

  • Resolve Wi-Fi and Bluetooth issues caused by wireless interference, which can affect Sidecar performance when using Sidecar wirelessly.

You can make all of your displays mirror each other, or extend your workspace with different apps and windows on each display. If you use an external display with your Mac notebook, you can also use closed-display mode.

Display For Mac Air

Check your requirements

  • Check the ports on your Mac to find out whether you need an adapter.
  • Check how many displays your Mac supports: Choose Apple menu  > About This Mac, click Support, then click Specifications. On the webpage that appears, the number of displays your Mac supports appears under Video Support.

Use extended desktop mode

Maximize your workspace with extended desktop mode, which lets you enjoy full-screen apps and windows on each monitor. Then, use Mission Control to organize apps and windows across your displays. If your Dock is on the bottom of your screen, it appears on any of your displays when you move your pointer to the bottom edge of your display.

Turn on extended desktop mode

  1. Make sure that your external display is turned on and connected to your Mac.
  2. Choose Apple menu  > System Preferences, then click Displays.
  3. Click the Arrangement tab.
  4. Make sure that the Mirror Displays checkbox isn’t selected.

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Arrange your displays or change your primary display

So that you can move apps and windows across your displays in one continuous motion, arrange your displays to match the setup on your desk. You can also change your primary display, which is where your desktop icons and app windows first appear.

  1. Choose Apple menu  > System Preferences, then click Displays.
  2. Click the Arrangement tab.
  3. To change the position of a display, drag it to the desired position. A red border appears around the display as it's moved.
  4. To set a different display as the primary display, drag the menu bar to the other display.

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Use video mirroring

With video mirroring, all of your displays show the same apps and windows.

Turn on video mirroring

  1. Make sure that your external display is turned on and connected to your Mac.
  2. Choose Apple menu  > System Preferences, click Displays, then click the Arrangement tab.
  3. Make sure that the Mirror Displays checkbox is selected.

Use AirPlay

With Apple TV, you can mirror the entire display of your Mac to your TV, or use your TV as a separate display. To turn on AirPlay, follow these steps:

Display For Mac Air
  1. Make sure that your TV is turned on.
  2. Choose in the menu bar, then choose your Apple TV. If an AirPlay passcode appears on your TV screen, enter the passcode on your Mac.
  3. Mirror your display or use your TV as a separate display:
    • To mirror your display, choose , then choose Mirror Built-in Display.
    • To use your TV as a separate display, choose , then choose Use As Separate Display.
  4. To turn off AirPlay, choose , then choose Turn AirPlay Off.

If you don't see in the menu bar, choose Apple menu  > System Preferences, click Displays, then select the 'Show mirroring options in the menu bar when available' checkbox.

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Learn more about how to AirPlay video from your Mac.

Display For Macbook Air

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