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Home»Hardware»Motherboards»4 Ways How to Enable Motherboard HDMI

4 Ways How to Enable Motherboard HDMI

DeepBy DeepJune 22, 2022
how to enable motherboard hdmi

HDMI on your motherboard only works when the CPU processor has an integrated GPU. Even if you have a dedicated GPU, the motherboard’s HDMI port will not work without an integrated GPU. And you cannot enable your motherboard’s HDMI.

If you attach the HDMI to a motherboard that does not have a CPU with an integrated GPU, the monitor will display a black screen.

The system will run smoothly even if you have a black screen. You just won’t have anything to see on your monitor. Now, without further delay, let us see how we can enable the motherboard’s HDMI port.

Table of Contents

  • What Causes Motherboard’s HDMI to Not Work?
  • How to Enable Motherboard HDMI?
    • Check if the CPU Has Integrated GPU
    • Enable iGPU From BIOS
    • Check the iGPU From Device Manager
    • Check for Faulty Hardware
  • Why Does My Computer Say No Signal HDMI?
  • Can I Use Motherboard HDMI Without Integrated Graphics?

What Causes Motherboard’s HDMI to Not Work?

hdmi not working
Whether your dedicated graphics card has failed or you just want to see how the integrated graphics perform, there may come a point when you would want to use the motherboard’s HDMI port. And there are multiple reasons your HDMI port on the motherboard fails to deliver. Here are a few of those reasons.
  • No integrated GPU
  • Integrated GPU disabled from the BIOS.
  • Outdated Integrated GPU driver
  • Faulty motherboard
  • Damaged HDMI cable

How to Enable Motherboard HDMI?

The first thing you need to check before enabling the HDMI on your motherboard is if the CPU has an integrated GPU.

Check if the CPU Has Integrated GPU

igpu

Depending on what CPU you use, AMD or Intel, there are ways you can determine if it has an integrated GPU.

First, you need to know what CPU you have. Once you do, check the processor suffix. A processor Suffix is a letter after the four-digit number. For AMD processors, if the processor suffix with the letter “G,” is a CPU with integrated GPU.

As for Intel processors, CPUs that don’t have an integrated GPU will have “f” as its processor suffix.

Enable iGPU From BIOS

Once you are certain the CPU has an integrated GPU, enable it from the motherboard’s BIOS to use the motherboard’s HDMI. By default, this setting is set to Auto, but if the motherboard’s HDMI does not work, you need to set this setting to Enabled.

First, enter the BIOS by pressing the BIOS key repeatedly. Depending on the manufacturer, the BIOS key is usually one of the function keys or the Delete key. However, to perform these steps, you need to connect the monitor to your dedicated graphics card. Without it, you will not have any display.

  1. Since every BIOS’s UI will be different, you must navigate to settings named iGPU, iGPU Multi-Monitor, or Internal Graphics.
  2. Set it to Enabled.
    enable igpu in bios
  3. Save and Exit the BIOS.

You cannot perform the steps mentioned above if you do not have a dedicated graphics card. If that’s the case, you can reset the BIOS. Resetting the BIOS will set all its configurations to the default state.

Check the iGPU From Device Manager

If it still does not work, you can check the iGPU device details from Device Manager. The device manager will have details about all the devices connected to the computer. If the iGPU is disabled or its driver is outdated, connecting the monitor to the motherboard’s HDMI port will not work.

As with the above step of enabling iGPU from the BIOS, you will need a separate dedicated GPU to perform the steps mentioned below.

  1. Press the Window + R key simultaneously to open Run
  2. Type devmgmt.msc and press enter to open Device Manager.
  3. Expand the Display adapter.
  4. Here, you can see your integrated and dedicated GPU. To know which device is the iGPU and the dedicated GPU, you can refer to our article on how to check the graphics card.
    igpu in devicer managers
  5. Once you know your iGPU, double-click on it.
  6. Make sure that its driver is up-to-date and the device is not disabled.

Check for Faulty Hardware

faulty hardware

If the above two methods still do not enable the motherboard’s HDMI, there can be some issues with the hardware. A faulty HDMI cable or a damaged HDMI port may also stop anything from displaying on your monitor.

Replace your HDMI cable to see if the monitor shows anything. If it still does not work, use another port. Your motherboard may have an extra VGA or a DVI port. Use it with a VGA to HDMI converter to check if it works.

Why Does My Computer Say No Signal HDMI?

If you have connected the monitor to the dedicated GPU and the monitor says no signal HDMI, it can be that the device has been disabled from the device manager. You need to enable this device to get a signal. However, if you have connected the monitor to the motherboard but do not get any output on the monitor, it is most likely that the CPU does not have an integrated GPU.

Without an iGPU, the motherboard will not display anything. You will need a separate graphics card to get any display from a computer without any iGPU.

Can I Use Motherboard HDMI Without Integrated Graphics?

Using a motherboard’s HDMI port without integrated graphics is not possible. Even if you have a dedicated graphics card, the motherboard’s HDMI will not work if the CPU does not have an iGPU.

how-to
Deep

Deep Shrestha is an experienced content writer, front-end web developer, and hardware specialist. Using all this knowledge about computer hardware, he's on a quest to make content that's easy to read and understand for individuals who aren't tech-smart. Besides being a content writer, he's also a competitive/casual gamer.

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