Officially, some MacBook Air and MacBook Pro models only support one external monitor.
Before purchasing monitors, double-check thenumber of external displays your Mac can support.
From the results page, selectList of Modelsand then chooseIdentify your model.
If you don’t see this option, look for a technical specifications result.
Scroll down the results page until you find your Mac model, and then select theTech Specslink.
Find theVideo Supportsection, and look for supported display details.
This item could also be labeledDisplay Support.
If youre setting up dual monitors on your Mac, connect both monitors during this step.
Position your monitors and Mac where you want them on your desk.
Turn on your Mac.
It will automatically detect and activate the second monitor, although the parameters may not be to your liking.
If the monitor doesnt turn on automatically with the Mac, turn it on manually.
On your main display, clickArrangement.
You may also see this option listed asArrange.
On theArrangementorArrange Displaysmenu, youll see the positioning of your displays.
If you want to change the setup, locate thesecondary monitor icon.
If you’re satisfied with the monitor positioning, you’re able to skip to step 11.
Click and drag thesecondary monitorinto the correct position.
Release your mouse or trackpad, and the secondary monitor will drop into the position you chose.
If the mirror displays box is checked, both monitors will show the same image at all times.
choose the correct resolution for your display.
pick the built-in resolution for your monitor for the best results.
It needs to be equal to or lower than the resolution that your Mac is capable of handling.
ensure the image doesn’t look stretched, squashed, discolored, or anything.
If it doesn’t look right, clickScaledor choose an option from the resolutions thumbnails.
The process of wirelessly connecting an additional display is very straightforward.
This method is primarily intended to work with other Apple devices.
To add your iPad, Apple TV, etc.
as an extra display, open theApple menuon your Mac and selectSystem parameters>Displays.
Next, fire up the+ (Plus)drop-down menu and choose the gadget you want to start using.
In macOS Ventura and later, selectSystem tweaks>General>TransferorReset>Erase All Content and tweaks.
In macOS Monterey, go toSystem Preferences>Erase All Content and tweaks.
Totake a screenshot on a Mac, press and holdShift+Command+3.
Use thesShift+command+4keyboard shortcut to capture a portion of the screen.
