How To Set Up Dual Monitors On MacBook, Mac (Just 3 Steps)

Last Updated on Dec 10, 2022

There are various reasons why you would have dual monitors on Mac. Extra space is counted as useful whenever your task includes multiple screens and software that needs to be run simultaneously.

For instance, considering live streaming and chats while playing the Games, up next to the Developers – one screen is reserved for compiling the code, and another helps learn those codes.

No matter what it may be, the conclusion is that two screens with a Mac is better than one. So here is the article on how to set up dual monitors on Mac.

Dual Monitors Set Up Requirments and Guide

Are you will boost your work productivity? Want to do more tasks in a short period? Multiple Screen With Mac Is Always Helpful. But before, there are some things you must consider, as mention in the article. 

Step 1: How to Know Your Mac Supports the Monitor You Choose

From now on, most Mac can run on or above 1080p resolution, but your Mac won’t. So to clarify, you will need to check the specifications of your Mac on Apple’s official website. 

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1→ Click on the Apple Logo > About This Mac. Copy the serial number. Navigate to Apple’s Technical Support.

2→ In the result, paste the serial number in the Search Tech Specs

3→ Click on Model Name in the result you obtain.


4→ Swipe down to the Video Support Section, and then read the information. 


For instance, if you have a Mac Mini with Apple M1 Chip, you will find out you can connect one external display using 6K and a second display using an HDMI cable for 4K. So search for the same specification on corresponding Apple Mac devices.

From the same page, press Command + F and search for Video Support. Under this section, Apple lets you know the number of external display support by your Mac device. 

Step 2: Secure Necessary Cables, Adapters, And Other Hardware

Once you are familiar with the specification of your Apple Mac. You need to have identical Cables and an Adapter to connect the external device effortlessly. The most common cables on every Mac/MacBook are HDMI, USB-C Cable, or Mini DisplayPort.


Since there are multiple USB-C ports on Mac or MacBook, some are compatible with limited external Monitors. Note that most of the external displays get detected only when connected to the Thunderbolt USB-C Port or HDMI

Your Mac must be connected with Thunderbolt USB-C Port… (Thunderbolt icon next to the Port appears on your Mac)

External-monitor-is-connected-with-Thunderbolt USB-C Port

However, the common adapter I found to be helpful on the internet is from Apple USB-C Digital AV Multiport Adapter. At the same time, you can also have the Best USB-C HUB

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Step 3: Connect Mac/iMac/MacBook To Monitors

First and foremost, you should have the necessary Cables and Adapters like HDMI Cable, Thunderbolt USB-C Cable, or Hub as per port on your Mac or MacBook.

Now, you need to connect Monitors to Apple Mac with a specific Cable and Adapter. Now position and complete the set up accordingly.

Switch on Mac, and as a matter of course, it will detect both external Monitors.

1→ If not detected, choose Apple Logo > System Settings…(System Preferences…) > Display.

2→ Now, press and hold the Command key to feature Detect Displays… and click on it. (Note: To Arrange, left or right display/Monitor, see the Arrange option under the displays screen below)


Sometimes the display won’t detect as your Mac Won’t support the external display’s higher resolution. To verify it, go to Know Your Mac Supports the Monitor You Choose mentioned above in the article.

Use System Settings…(System Preferences… On Older Mac) To Configure External Settings

Erstwhile, the external display gets detected. Click on the Arrangement. First, ensure the box next to the Mirror Display is unchecked within the arrangement.

On the same window, the Screen with Menu Bar is the main. And the other two screens are external displays. Now long press on the External and drag the screen accordingly. That’s It!

For more configuration, choose a resolution that fits your needs. Next, you can change the Color Profile, Refresh Rate, and Rotate Dual Monitors (90, 180, or 120) as per your conviction from the same settings page.

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In addition, we can connect MacBook to the External monitor in Clamshell Mode (Closed Lid) Position. If it’s not working, gets troubleshooting for your MacBook Clamshell Mode Not working.

Bottom Line

There we end up! So that’s how you set up dual monitors on Mac and compile your Task as quickly as possible. And in terms of productivity and flexibility, I will always mention dual display as welcoming addition.

Can You Connect Two Monitors With HDMI To Mac?

No, you won’t connect two monitors using HDMI. Instead, connect a dual monitor; you can use Thunder-bolt USB-C Cable and HDMI.

How Do I Activate 2 Monitors?

First and foremost, you need to have a USB Cable or HDMI Cable, depending on the port of Mac. Then, insert the corresponding cable in the two displays. That’s It!

Now, the Mac will automatically detect the external display. In case not, go to Apple Logo > System Settings…(System Preferences… for macOS Monterey and earlier) > Display > Long press Command Button and click Detect.Displays…

How Do I Get My Computer To Recognize 2 Monitors?

If your Mac Won’t Recognize 2 Monitors, head to the Apple Logo > System Settings…(System Preferences… for macOS Monterey and earlier). Choose Display, and next long press Command Key and click Detect Displays…

Why Won’t My Dual Monitors Display?

Nothing more; restart the complete system. If nothing works, check if the Cable and Adapter are from a trusted company and match your Mac’s Port.

Can You Run A MacBook On 2 Monitors?

Yes, you can definitely run dual monitors with a MacBook. If you aren’t familiar, follow the guide mentioned above. 

HowToiSolve Staff
HowToiSolve Staff

Jaysukh Patel is the founder of howtoisolve. Also self Professional Developer, Techno lover mainly for iPhone, iPad, iPod Touch and iOS, Jaysukh is one of responsible person in his family. Contact On: [OR]

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