Many modern motherboards have built-in HDMI ports, but they may need to be activated in the BIOS or UEFI firmware settings before they can be used. Enabling the HDMI feature can be done in just a few steps and does not require specialized technical knowledge. However, it is essential to ensure that your computer is correctly set up and configured before attempting to enable the HDMI feature. So, let’s learn how to enable motherboard HDMI properly on Windows and macOS computers and resolve this query in no time!

Key Takeaways

  • For Windows, open the Start menu > access Control Panel > Hardware and Sound > Display > Display > Multiple Displays, and click on the option.
  • For macOS, go to System Preferences > Displays > Scaled, and select a resolution. You can also do other tweaks; once done, click Apply to save settings.

What tools do you need?

You’ll need a few pieces of equipment to enable your HDMI connection.

  • Computer and HDMI cable: You’ll need a computer or laptop with an HDMI port and an HDMI cable that is compatible with the port.

  • Adapter: Additionally, you may need an adapter if your computer or laptop has a different type of output port than the HDMI cable.

  • Device to pair: You’ll need a device with an HDMI input, such as a TV or monitor, that you can connect to your computer. Once you have all the necessary components, you’re ready to get started.

How to enable motherboard HDMI?

Enabling Motherboard HDMI is crucial because it allows users to get the most out of their PC. Access to HDMI ports on the motherboard means that users can quickly and easily connect their PC to their TV, monitor, or other devices. This section will guide you to connect your laptop or desktop computer to an external monitor or projector using an HDMI cable. We’ll walk you through enabling your HDMI connection on Windows and macOS operating systems. So let’s start.

Activate HDMI on Windows

Suppose you want to connect a laptop or desktop computer to an HDMI device such as a TV, monitor, or projector. In that case, ensuring that your Windows operating system is configured correctly is essential. Here is a step-by-step guide to setting up your HDMI connection in Windows:

  • Step 1: First, firmly connect your computer to the second device using the HDMI cable and securely connect to your computer and the device.

  • Step 2: Next, open the Start menu by clicking the Windows icon, type Control Panel in the search section, and select Control Panel.

  • Step 3: On the left-hand side of the Control Panel window, select Hardware and Sound > Display.

  • Step 4: This should bring up the display settings for your computer. Look for a menu option labeled “Multiple displays”. Click on this option and make sure that the “Extend my Windows desktop onto this monitor” checkbox is selected.

  • Step 5: Now that you’ve enabled the HDMI connection, you should be able to see your computer’s display on the HDMI device. If not, try rebooting your computer and checking that the cable connections are still secure.

Once you’ve completed these steps, you should be all set up to use your HDMI connection in Windows. Enjoy!

Activate HDMI on macOS

Enabling the HDMI connection is relatively straightforward using a Mac device.

  • Step 1: The first step is to plug the HDMI cable into the HDMI port of your Mac device. Once this is done, you must go to System Preferences and select the Displays option. Here you will be able to see the display options for your Mac.

  • Step 2: The next step is to choose the appropriate resolution for your Mac device. To do this, click on the Scaled option and select a resolution from the eligible list for your display.

  • Step 3: You can also change the orientation of your display if necessary by clicking on the Rotation button.

  • Step 4: Finally, click on the Arrangement tab and ensure that the Mirror Displays option is ticked. This will ensure that whatever is shown on one monitor is also on the other monitor connected through the HDMI port.

  • Step 5: After making these changes, click Apply, and the HDMI connection should be enabled on your Mac.


This blog article demonstrates a step-by-step process to activate the HDMI output on your motherboard for Windows and macOS users. For windows, you should be able to see your computer’s display on the HDMI device. Look for a menu option labeled “Multiple displays” and make sure that the “Extend my Windows desktop onto this monitor” checkbox is selected. The HDMI cable must first be inserted into the Mac device’s HDMI port for macOS. You will then see your Mac’s display settings after this is finished.

Zohaib Hassan
Zohaib Hassan is a staunch tech enthusiast and has been writing about his interactions with computers for years. He has been serving the UpdatedPC as a content manager along with experimenting and testing numerous tech masterpieces. Indeed, he often forgets about eating his spicy snacks when has his head on the computer screen.