How To Fix Motherboard HDMI No Signal [Guide]

How To Fix Motherboard HDMI No Signal

Your motherboard HDMI might be experiencing issues because of different reasons. HDMI ports are used in connections of monitors to your computer. So, whenever issues occur with the HDMI port, it can be a pain in the neck.

One of thingsthat might have gone wrong will be that the CPU onboard graphics HDMI output has not been enabled in the BIOS. You also need to ensure that the cable is well connected to the ports. The connections could also be an issue.

We understand how this issue can be tiring at times. So, we are here to help you out. We will be offering you insights about the reasons for this problem. We will also show you how you can solve them without consulting any expert.

Just follow through as we explore together.

Is it possible for Motherboard HDMI to work with Graphics Card?

This is very possible. You can do this by working withthe available ports on your GPU. Remember that your graphics card comes with a display port and a DVI port. It therefore means that these ports must be on your second monitor as well.

There is no cause for concern if your monitor doesn’t come with these ports. You might even want to use your TV and these ports are nowhere to be found there. There is a way to work around the connection of HDMI port on those devices with the GPU. You can just simplyconnect a display port to the HDMI cable.

Something noteworthy is the fact that your motherboard’s BIOS should fully support this process. It means that the BIOS should not have issues with using multiple displays simultaneously. Of course, that will also depend on if you intend to use both monitors at the same time.

Some motherboards come with this option automatically enabled. However, it is ideal toverify if that is true with the BIOS. You can access this option in the BIOS. It makes multi-monitor support possible for your motherboard.

All you have to do is simply visit your BIOS settings. Then, click on the graphics configuration tab. Make sure to enable the option labelled onboard video. This might translate to a drop in performance depending on the motherboard.

How To Fix Motherboard HDMI No Signal

Now that you have a clear standing on the know-hows, it is time to fix the issue. So, let’s get on with fixing the problem.

You mut first ensure that your computer comes with an integrated graphics card, commonly known as iGPU. Motherboards don’t have the capability to process videos. The CPU’s integrated graphics card is what helps the motherboard see to this function.

You should count yourself lucky if you have an Intel motherboard. Intel motherboards come with this feature. Other motherboards however might not come with it.

So, if you are certain that your motherboard comes with an iGPU, make sure to follow these steps:

  1. Locate your start menu and click on it.
  2. Try locating your Device Manager and open it.
  3. You should see aDisplay Adaptors option, double-click on it to expand it.
  4. If you can find an iGPU, then, you can go ahead with the solution we have below.

If you can’t locate an iGPU, you won’t be able to carry out these fixes. It therefore means that your CPU must be upgraded to allow it.

Related: How To Install Motherboard Drivers Without CD

So, let’s look at the solution properly.

Here are the ways to fix motherboard HDMI no signal:

1. Enable HDMI In BIOS

The no signal error you are getting might be because integrated graphics is disabled in your computer. It might be a default setting. All you have to do is simply enable it from BIOS.

Let’s put you through.

  • Make sure your system is turned off.
  • Put it on now. This time however, make sure you repeatedly press the Esc key until you see a pop-up menu.
  • Try to to locate the key next to the  BIOS settings. Go ahead and press it on your keyboard.
  • You should be logged on to your BIOS settings now.
  • Turn on yourEnable iGPU or Enable Multi-GPU support.
  • Once you are done, just save and exit.

This should be an ideal solution for most people with this problem. So, if you try plugging in your HDMI cable now, there should not be a problem.

Related: Do Motherboards Have Bluetooth

2. Check The HDMI Cables

If your HDMI cable is not functioning yet, then ensure it is perfectly intact. So check out for any damages whatsoever.The most ideal way to do this is by trying it out with a different computer.Try to see if it works out.

You can also try out different HDMI cables with your computer. This way, you will be able to detect where the fault is coming from.

3. Turn On The Monitor And Computer In a Different Order

What this means is that if you tried turning on the monitor first before the computer, and you got a  no signal error, try it in an opposite manner.So, turn on your computer first before your monitor. What is being referred to is the device you are using for HDMI as a monitor.

It might also be a TV if that is what you have at your disposal.

4. Update Your Firmware

Monitor do not have any firmware, this option is best suited to you if you are using a TV display. It might not always work out but it is worth giving a shot. Updating TV firmware differs from TV to TV. It is not a difficult process however. Although if If you are experiencing issues, contact your TV’s support team.

Frequently Asked Questions (FAQs)

How do I refresh my HDMI ports?

You have to first power on your HDMI device. Then, start up your computer. Power off your HDMI device maybe a TV for instance. Then, unplug the HDMI cable from both ends for a period of 60 seconds. Plug it back and turn on both your computer and the HDMI device.

Is HDMI better than Displayport?

Displayport has an untold advantage because of its support for higher bandwidth. HDMI is more common because of its wide acceptance.


Issues like an interruption in your HDMI connection can be frustrating. However, there are easy solutions to solve them you must know that by now.

So, follow through with our hacks and get your devices up and running.

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