How to make one monitor primary?

How to make one monitor primary

Most OSs have a way of making one monitor primary while the others are secondary, here is how to do it in Ubuntu.

First, open your System Settings and select Displays under Hardware. This should show you all the screens listed along with their resolution(s).

You can see that my laptop has 2 monitors, 1 external (eDP1) and 1 internal (LVDS1), giving me a total of 1920×1080 pixels spread out over both monitors. I’m using the internal monitor as primary by default, hence it gets assigned the highest value in Resolution settings.

The primary monitor will be highlighted green. Note that this doesn’t change what screen is primary along with its physical placement on your desk! If your screen layout looks like mine then the only way to make the left monitor primary is to change its Resolution.

This can be done by clicking on the dropdown menu next to the Details… button. There you should see all your displays listed with their sizes in cm, inches, and resolution(s).

If you do not have a name for your monitor then select Detect Displays for automatic detection of all monitors connected to your computer. You can now change between different monitor configurations via the dropdown box at the top of this window.

How to make one monitor primary

Why do you need two monitors for your laptop or desktop computer?

You might need two monitors for your laptop or desktop computer if you’re a designer, programmer, artist, or just to increase productivity.

What are the benefits of having one monitor primary?

One of the benefits of having one monitor primary is that you will be able to view more content on your screen without having to switch back and forth. This also helps to reduce eye strain.

Who should use only one monitor, and why?

Most people use one monitor since that is enough to get their work done. Talk about how it helps reduce eye strain if you only have one monitor.

Other ways to increase productivity with a single screen

The reason people work with a single screen is due to the small amount of time it takes to switch between different programs on each monitor. But there are several ways for increasing your productivity with one monitor.

One suggestion is to have different screens set up for specific tasks so that you only have to toggle between them. For instance, you can have one screen open solely for communication purposes while another is just for playing videos.

The disadvantages of using multiple screens instead of just one

The best way to increase productivity with one screen is by having different screens for different tasks. But the disadvantage of using multiple screens is it can be confusing and time-consuming to manage your windows across 2, 3, or more monitors. This will also mean that you will need to change the position of your monitor(s) when you are working on different projects.

How do I Make my second monitor my primary Mac?

This is how to make your second monitor your primary Mac.

Open the System Preferences window.

Select Displays from the top menu bar.

Find your external monitor or monitors listed on the left of the main interface.

Click on the dropdown tab for Display number, then drag & drop that tab to your second monitor.

There are 4 ways of making a new monitor primary:

1) Drag it to the left of the existing primary monitor in order for it to be in line with that one and set it as its equal sibling (below and inline).

The small blue circle located in the bottom right-hand corner means that it’s now a secondary monitor, but you can either move it back down and re-click to make it primary again or change the Display number tab to make it primary.

2) Drag your monitor down below the existing primary monitor and set it as a child (below). The small red circle means that this monitor is now relegated to be a secondary screen.

3) Drag your monitor up above the existing one, making it become an equal sibling of that original one, but also relegating it to being just a secondary monitor.

4) Drag your monitor to any side which will allow you to set it as either similar, higher, lower, or subequal. For example, dragging my external monitor down will create two equal monitors on both sides – neither being primary.

If I drag my second up instead then I have two similar monitors. If I drag my second monitor to the left, it will be a higher monitor with which you can have two or more of this type of monitor forming a multiple-monitor array – all being equal and none being primary.

Once your new displays are set as either child, sibling, etc., you can adjust their preferences from the Display menu on the main System Preferences window.

Set the primary monitor windows 10

Windows 10 is a versatile desktop operating system developed by Microsoft. The company manufactures various devices such as laptops, tablets, and personal computers.

The latest version of this operating system is Windows 10, which boasts a variety of new features and functions. Since it is a user-friendly system, many users especially students and persons who love to work from their homes prefer this latest version.

If you have been using your Windows 10 PC for a while now, then one of the things that you will need to learn about is setting up your primary monitor. In order to help, we offer some useful instructions that you can follow below.

1) Ensure that your PC is turned on and then click on the start menu in order to see all options. If you have a touch screen, just swipe from right to left in order to see all applications.

In case you do not know how to install windows 10, there are various sources online where you will get 24*7 assistance.

2) Ensure that you click on the “Setting” option from the Start menu. In case of a touch screen, swipe from left to right in order to see all options and then tap on Settings.

3) A pop-up message will appear asking if you want to allow or deny permission for this PC. Tap on “OK” to continue.

4) Under the Personal tab, you will find a section titled “System”. In this section, you will see an option labeled as “Advanced display settings”. You need to click on it and then select the monitor with which you want to work.

5) Ensure that your PC is connected to the monitor through the proper cable.

6) Now, right-click on your main monitor and then select “Make the primary monitor”. Thereafter, you will be prompted with a message indicating that you can now drag any application to your main screen.

7) If you want multiple monitors, then follow the same steps for all other monitors. Make sure that you click on the monitor which you want to make primary.

8) When done, click on “Apply” and then ensure that your main screen will be assigned as the primary screen.


You can set one monitor to be the primary display for your computer, which will make it act like a single large screen. This is especially handy if you need more space than what’s available on two screens side-by-side.

To use this feature, go into Settings and click Displays from the list of icons at the top right corner of your screen.

Then click “Arrangement” in order to select which monitor should show up first when you open an app or window. Selecting Primary Display as well as setting DPI scaling options are also important aspects that can help people who have multiple monitors work efficiently with their computers.”

Written by Jacob Glenn

Jacob has probably spent thousands of hours learning about displays in his free time and prior work experience. He now writes and manages PerfectMonitors to ensure it stays as the people's favorite resource.

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