How to configure the size of a Mac OSX when connecting an external display

The latter is something that easily applies to Macs, as they are a team that have put a lot of effort into the visual aspect. The fact that everything is readable, accessible and understood without too much verbosity is vital on a Mac system.

It is for the same reason that the visual component, in particular, is so important. And for this the screens arrive Apple with the Mac: to be able to live this experience without any inconvenience.



However, there are people who prefer to use an external display and connect them via HDMI or VGA cables. Even when you have a Mac OSX, many prefer to use an external display over the one that comes with the Mac system.


But it can often be confusing for people to be able to change some aspects of this external display via a computer Mac OSX.

If that's the case, you don't have to look much further, because below we'll explain how you can configure the size of a Mac OSX when connecting an external display in just a few simple steps. So stay with us and see how to do it below.

How to configure the size of a Mac OSX when connecting an external display

Changing the size on an external display in Max OSX

In reality, being able to change the screen settings, or more specifically the size itself, is a very simple process.

We will then explain it to you in a few simple steps, but you have to keep in mind that this tutorial was made for Catherine 10.15. However, it can serve you the same way as the process between this and other versions is very similar. See the process below:


  • To be able to change the resolution, or size, of a connected screen, all you have to do is enter the Apple menu that you will see in the form of the classic Apple Apple. Once there, go to System Preferences and then click on the Screens option. So choose " Screen ".
  • Now, you need to press the Option key while clicking on the option Fixed up. This way you will be able to see other resolutions available for the display you have connected.
  • Now, you need to select a size option for this screen and that's it.

How to configure the size of a Mac OSX when connecting an external display



Changing the resolution for the main screen

Now, if you want to change the resolution of the main screen and not the secondary or external one, you need to follow the following simple steps:


  • As in the previous step, you need to select the Apple menu and you will enter System Preferences. Then, enter Screens and then Screen.
  • Now, select the option To scale and choose the option that best suits your preferences and screen size.

After you've done one of these two little tutorials, you should have a little detail in mind. Whenever you change your screen resolution, be it the primary one or an external one, you may notice that many apps don't fit the whole screen.



This is because resizing any of these can greatly affect the performance of the Mac OSX, so keep this in mind when changing the resolution. And whether you're playing video games or using programs that require memory and graphics on Mac OSX, if the resolution is too high, performance will always suffer.

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