How to Set Up Dual Monitors With HDMI

The article explains How to Set Up Dual Monitors With HDMI. Having two or more monitors increases productivity by increasing the amount of on-screen space.  This type of setup is not possible if your computer does not support multiple video connections. To connect both monitors, you’ll need at least two video-out ports. This guide will walk you through all of the necessary steps to get you started with your dual monitor setup.

When you want to improve your multitasking productivity while working with multiple windows or applications, a system with multiple monitors comes in handy. It also feels less claustrophobic. To make it more practical, you must configure it correctly. This guide will show you how to set up dual monitors in Windows, whether you’re a gamer, content creator, or data analyst.

How to set up two monitors with HDMI

You’ll need two monitors and an HDMI cable for each to get started. You can use standard HDMI cables if your computer has two HDMI outputs and both monitors have HDMI inputs. However, if your computer has two different video outputs (eg HDMI and DisplayPort or DVI), you may need an adapter cable. Once you have all the necessary equipment, follow these steps:

Step 1: Connect the HDMI cables to both monitors, and connect the other ends to the computer’s video output or graphics card ports.

Step 2: Plug the power cord into the outlet and turn on both monitors.

Step 3: Finally, adjust your computer’s display settings so that each monitor displays a different part of the screen. Below we describe how you can configure dual monitors on Windows, macOS and Linux.

How to configure two monitors in Windows

To configure dual monitors in Windows to display as needed, follow these steps:

Step 1: Open System from settings section and select Display. Your computer should be able to automatically detect any external displays connected to it.

Step 2: If the monitors are not detected, click on To find out and should be able to detect your monitors.

Step 3: Once your monitors are detected, you can choose which one you want to use as your primary display. To do this, click on the monitor you want to use as your primary display, then highlight Make this my main display option. You can also change the order of your views by clicking and dragging them to Display settings panel.

Step 4: After choosing your primary display, it’s time to adjust the resolution for both monitors. Resolution is the number of pixels displayed on the screen. Higher resolution means more pixels and a sharper image.

Step 5: To change the resolution, click on the monitor you want to adjust and select a new one Screen resolution from the drop-down menu, as shown below.

Step 6: If you’re not sure which resolution to choose, it’s generally best to start with the native resolution for each monitor. The native resolution is the highest resolution that the monitor can support without scaling. For example, a 19-inch monitor with a native resolution of 1280×1024 can display images in resolutions up to 1280×1024 without scaling.

Step 7: After you select your monitor resolution, you will be prompted for any Keep the changes or Bring it back it appears. Once you choose to keep the changes, the resolution will change. With the desired resolution selected for each monitor, your dual monitor setup is now complete.

How to configure two monitors on macOS

Once both monitors are connected to your Mac, follow these steps to configure them.

Step 1: Open System settings and click on Displays.

Step 2: In Displays panel, you should see both monitors listed. If not, make sure both monitors are turned on and their cables are properly connected.

Step 3: Click on Arrangement tab. You can drag and drop the screen to fit the monitor layout on your desk.

Step 4: Finally click on Mirror desktops check box to enable mirroring. Mirroring will duplicate your desktop on both screens. Also, the menu bar and dock will appear on your primary screen by default, but you can drag them to a secondary screen if you prefer. You can also choose to have your desktop span across both screens or display on just one screen.

Step 5: To change the screen resolution, click on Scaled option in Displays panel. You can choose a pre-configured resolution or create a custom one.

How to configure dual monitors on Linux

Configuring dual monitors on Linux is easy. After connecting the second monitor, follow these steps:

Step 1: Go to your control panel and find Display settings. If the second monitor is not detected, click Discover screens button.

Step 2: Once both monitors are detected, you will need to choose which will be your primary display. The primary screen will display the desktop and launch applications when you start the computer. You can usually set this in Display settings too.

Step 3: Finally, you will need to adjust the screen resolution and ensure that each monitor is displaying the correct image. In most cases, you can drag the image of one monitor over the other to arrange them.

Are you using a Raspberry Pi to run Linux? Learn how to create a 4K dual monitor setup with a Raspberry Pi.

How to run two monitors with one HDMI port

You can run two monitors with one HDMI port using an adapter or HDMI splitter. Let’s look at each of these methods.

How to use an HDMI splitter for two monitors

To set up two monitors with an HDMI splitter, follow these steps:

Step 1: Identify the HDMI port on your computer.

Step 2: When you find it, plug the end of the HDMI splitter into this port. Then plug the two HDMI cables into the splitter.

Step 3: Then connect one end of each cable to the monitor. However, if your monitors have different inputs (eg one has DisplayPort and the other HDMI), you must use the appropriate cable/adapter for each monitor.

Step 4: Finally, turn on your monitors and computer; you should now see your desktop extended to both screens!

HDMI splitters are created equal. Some splitters only support certain resolutions, so it’s important to choose one that will work with your specific setup. Another consideration is whether you need an active or passive splitter. Active splitters tend to be more expensive, but offer better performance, especially over longer distances. A passive splitter should be sufficient if you are connecting two monitors close together.

How to set up two monitors using an adapter

There are a variety of adapters available, so it’s important to choose one that is compatible with your computer and monitor. When you get the adapter, connect it to the HDMI port and the monitor. If not, you may need to change your computer’s display manager settings.

VGA to HDMI dual monitor using adapter

If you have a computer with a VGA output and want to connect it to an HDTV or monitor with an HDMI input, you will need to use an adapter. Converting VGA to HDMI isn’t complicated, but there are a few things you need to keep in mind.

Step 1: First you will need an adapter that converts from VGA to HDMI. They are widely available and relatively inexpensive.

Step 2: You will then need to ensure that your computer’s video output is set to the correct resolution. Many adapters will only work at certain resolutions, so checking the adapter specifications before making any changes is key.

Step 3: Once everything is set up, connect the adapter to the VGA output of the computer and connect it to the HDTV or HDMI input of the monitor.

Final Words

Here is the end of our article How to Set Up Dual Monitors With HDMI. Setting up dual monitors in Windows is a simple process, but there are other options besides the default method on your PC. If you connect your displays to your computer using any of the methods described above, your computer will most likely detect both displays automatically.  These are the easy instructions to connect two monitors. I have done now. We hope you would like to reading it.

I hope you understand this article, How to Set Up Dual Monitors With HDMI.

Editorial Staff
Editorial Staff
The Bollyinside editorial staff is made up of tech experts with more than 10 years of experience Led by Sumit Chauhan. We started in 2014 and now Bollyinside is a leading tech resource, offering everything from product reviews and tech guides to marketing tips. Think of us as your go-to tech encyclopedia!


Please enter your comment!
Please enter your name here

Related Articles

Best Telemedicine Software: for your healthcare practice

Telemedicine software has transformed my healthcare visits. It's fantastic for patients and doctors since they can obtain aid quickly. I...
Read more
I love microlearning Platforms in today's fast-paced world. Short, focused teachings that engage me are key. Microlearning platforms are great...
Think of a notebook on your computer or tablet that can be changed to fit whatever you want to write...
As of late, Homeschool Apps has gained a lot of popularity, which means that an increasing number of...
From what I've seen, HelpDesk software is essential for modern businesses to run easily. It's especially useful for improving customer...
For all of our important pictures, stories, and drawings, Google Drive is like a big toy box. But sometimes the...