Use Your iPad as a Second Monitor for Your Mac. Here's How to Set It Up Is your computer display not enough real estate for your work? Use your iPad as an additional screen.

By Dasblog

No matter how big your computer display is, sometimes a single screen isn’t enough. It’s why so many people get a second monitor, because another screen helps with gaming, streaming, multitasking, communication, organization and overall efficiency. Having dual monitors is important for productivity — but that doesn’t necessarily mean you need to spend more money to get it.

Use Your iPad as a Second Monitor for Your Mac. Here's How to Set It Up
                        Is your computer display not enough real estate for your work? Use your iPad as an additional screen.

As long as you have a compatible Mac and iPad, you can quickly and easily connect the two Apple devices and use the iPad as an extra display for your Mac computer. Using Sidecar, which comes built-in to supported devices, you can then either extend your MacOS desktop or just mirror it onto your iPad, equipped with touchscreen controls to seamlessly use the two devices together. Here’s what you need to know.

In the market for an iPad? Here is a list of the best iPad choices for 2022 and a review of the new iPad 10th generation. You should also check out some of the early Black Friday deals on iPads.

Requirements to use your iPad as a second display

As mentioned above, both of your devices need to support Sidecar, which is the feature that allows you to use your iPad as a second monitor for your Mac. For your Mac, you must be running MacOS Catalina or later and it has to be one of the following models:

  • MacBook Pro (2016 or later)
  • MacBook (2016 or later)
  • MacBook Air (2018 or later)
  • iMac (2017 or later and Retina 5K, 27-inch, Late 2015)
  • iMac Pro
  • Mac Mini (2018 or later)
  • Mac Pro (2019 or later)

And for your iPad, it must be running iPadOS 13 or later and be one of the following models:

  • iPad Pro
  • iPad (6th generation or later)
  • iPad Mini (5th generation or later)
  • iPad Air (3rd generation or later)

It’s best to update your devices to the latest software available to avoid any issues. Also, both devices must be logged in to the same Apple ID account, using two-factor authentication. 

If you plan on going wireless, the two devices must be within 30 feet of one another. You can also use your USB to connect the two devices, with the advantage of being able to also charge your iPad while it’s in use as a second monitor.

Share your entire Mac desktop to your iPad

Depending on what software update you have on your computer, sharing your computer desktop to your tablet may vary. If you’re running MacOS Big Sur or later, click the Display icon in the menu bar at the top right. In the menu that appears, choose your iPad.

If you’re on MacOS Catalina, you’ll instead click on the AirPlay icon in the menu bar and then select your iPad. If for some reason you don’t see the AirPlay icon, click the Apple menu in the top right and go to System Preferences > Displays and check Show mirroring options in the menu bar when available.

Display menu on Mac

Click the Display option in the menu bar to find your iPad.

Screenshot by Nelson Aguilar/CNET

Once your Mac and iPad are connected, you have several options to choose from that appear in the Display/AirPlay menu:

  • Mirror Built-in Retina Display: Mirror your exact desktop to your iPad. This will shift your computer desktop to look more like your iPad.
  • Use As Separate Display: Use the iPad as an extension to your desktop. To use your iPad display, drag any window or files from your Mac computer to the right of your screen, which will take you to the tablet. To go back to your computer, simply drag your cursor back to where you came from.

Share only one Mac window to your iPad

Alternatively, you can quickly share a window instead of dragging it over to your iPad. For example, you could share your web browser in Safari or what you’ve jotted down in your Notes. To do this, simply hover your mouse cursor over the green full-screen button that appears on the top left of most windows. After a second of hovering, you should see an option that says “Move to iPad,” which will share that window to your tablet. You can share multiple windows, in succession, to your iPad.

Share window via Safari

Hover over the full-screen button to send that window to your iPad.

Screenshot by Nelson Aguilar/CNET

Using the sidebar controls, gestures and Touch Bar on your iPad

Once your screen is shared over to your iPad, a set of controls will appear on the left side of your iPad, which are sidebar controls you’ll commonly see on your Mac. That includes, from top to bottom:

  • Menu bar: Show or hide menu bar when in full-screen
  • Dock: Show or hide dock
  • Command: Double-tap to lock key
  • Option: Double-tap to lock key
  • Control: Double-tap to lock key
  • Shift: Double-tap to lock key
  • Undo: Undo last action
  • Keyboard: Show or hide keyboard
  • Disconnect: Disconnect iPad from Mac

In addition to these Mac controls, you can also use a number of swipe gestures to control certain things on the second monitor (you won’t be able to use the touchscreen as usual though). That includes swiping with two fingers to scroll, pinching in with three fingers to copy, swiping left with three fingers to undo and more.

And finally, you may also be able to use the Touch Bar, if the application on your iPad is compatible. For instance, if you move Safari over to the iPad, you’ll see Touch Bar controls to go back and forward, use the search bar, flip between tabs and open a new tab. In Messages, you would see controls to create a new text, send an emoji and predictive text. The Touch Bar may not appear for every app you use on your iPad.

iPad monitor

This is what your iPad will look like as a second monitor.

Screenshot by Nelson Aguilar/CNET

If you don’t want to use the Sidebar or Touch Bar controls, you can also get rid of them. On your Mac, click on the Display icon in the menu bar, and underneath your connected iPad, you should see Hide SideBar and Hide Touch Bar. Click on either or both options to hide the controls from your iPad.

Using your iPad while connected to your Mac

Even if you’re using your iPad as a second monitor, you can still swipe up to exit the Sidecar application and use your iPad as usual. In your dock, you’ll see a blue icon with two monitors on it — this is Sidecar. To go back to using your iPad as a second monitor, tap on the Sidecar app icon in the dock.

iPad user interface

You can use your iPad as usual, even when connected to a Mac via Sidecar.

Screenshot by Nelson Aguilar/CNET

If you’re interested in learning more about what your iPad is capable of, check out how to declutter your iPad dock by removing this annoying feature and nine things to do immediately after you get a new iPad.

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