How to configure two monitors on one computer with Windows or Linux

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For beginners interested users to configure two monitors on both Windows and Linux, the solution is usually pretty simple: connect the monitor and go. However, there are some changes to be made to place the correct resolution and decide which will be the principal.


For those we lock on the computer have two monitors is one of the best decisions you can make, simply because you’ll have more workspace for multiple things.

In my case it comes in handy to write as on a screen using an application of markdown and another put the browser with all the sources that I work with at the time. However, the use of two monitors can vary depending on the needs of everyone, users comment that productivity increases, applications can be distributed in an orderly way and you feel that you have more free space .

What do you need?

The two-monitor setup is quite simple and can be placed both on desktops and laptops.

  • Desktop computers : almost all modern video cards support to be placed on two or more monitors, so if you have an ordinary computer, need to check which ports are. May be the VGA, HDMI or both.You can connect a monitor in each of these ports, or if you can only use HDMI because the image quality will be much better. Obviously you’ll need to buy a pair of monitors on the size and resolution you prefer.
  • Notebooks : These come with VGA, HDMI and / or ports DisplayPort . In this case you have to buy two monitors because you can use the one built like one. This is the configuration I use, and then supplement it with an additional 22-inch monitor.

Setup in Windows

You may work properly only monitors are connected to the graphics card, but if this is not your case can set you need to “Screen Resolution”, which can be obtained by right-clicking on an empty space on the desktop.


In the new window you should see two monitors, as shown in the picture above, but does not appear, press the “Detect” button to get just right and above. Below you will see that there are several drop-down menus, which must be configured in different ways:

  • Display : list the number 1 and 2, and identify each by name. You must choose one to configure the rest of the menus underneath. Start the first, it ends and follow the second.
  • Resolution : to choose one of the monitors decides the best resolution. Use the one for the monitor, ie if it is 1920x1080px, then placed that.
  • Orientation : This option should almost never touch; must be horizontal.
  • Several screens : choose “extend these displays” to have a single desktop that occupies two monitors.

Beyond that you can also drag the monitors numbered top to decide what will be on the left and which on the right. And either can be placed as the main, what this will mean that the start menu and the taskbar and Windows notifications.

Configuration in Linux

Depending on the Linux distribution you use can change the settings. The image below shows how it will look like the window displays in a system based on Debian, and Ubuntu operating system. This is Elementary OS Luna, to be more specific, and it shows that is similar to that of Windows. To get there you find the System Preferences and then go to Display.

In this window you can enable and disable each monitor, move from side to side which you want is on the left and you are in the right, fix the resolution and decide which will be the application launcher. If necessary screens detect there is a button on the bottom it does. Finally it should apply the changes and check that everything works fine.


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