Samsung Monitor Not Detecting HDMI (13 Guaranteed Fixes)

Samsung monitor not detecting HDMI

While I was settling into my desk to start a new project, I found out that my Samsung monitor wasn’t recognizing the HDMI connection originating from my laptop.

I tried unplugging and replugging the cable, but the monitor still refused to recognize it. I knew I had to figure out a solution quickly.

So, I researched the Internet and found several possible solutions to resolve this problem. In this article, I’ll walk you through these steps.

Let’s get started!

What is HDMI? 

The word HDMI stands for High-Definition Multimedia Interference and it is used to transmit digital video and audio signals from the source (computer) to the monitor. 

Most of the latest monitors and computer generations are equipped with this technology. The VGA, DVI, or Displayport are the oldest technologies. 

Samsung monitor not detecting HDMI

You should try these troubleshooting steps if your Samsung monitor is not detecting HDMI.

1. Reconnect HDMI cable

A loose cable connection is the most common cause if your monitor is not detecting HDMI cable.

Disconnect the HDMI cable from both your monitor and computer. And then plug both ends into the computer and monitor as well.  

Plug into the HDMI port firmly and ensure both ends are securely connected. Once you’ve reconnected the cord, turn on the monitor and check if it works. 

2. Check the monitor with another computer

In a few cases, the monitor you are using with your monitor might be faulty and cause it to not detect HDMI. 

If you have another PC, you should test the monitor screen with that; if it works, you should fix your computer. 

3. Reset Connection 

Sometimes simple solution solution solve the issue, you should try reset the HDMI connection. 

To do this, you should first turn off the monitor and computer by unplugging from the power outlet, then press the monitor’s power button for about 30 seconds. 

Then release the button and plug back your monitor first and then the computer, check if it is now working. 

4. Replace HDMI cable

It is common that the HDMI cable can become faulty for its overtime use and cause this issue. 

In this situation, you should turn off the power and unplug the power adapter of the monitor to inspect the HDMI cable. 

You should inspect the cord’s total length; if you find any visible damage, crack, or twist, you should replace it. 

Once you’ve bought a new cable plug securely into the monitor and your computer, then the check problem is resolved. 

5. Faulty HDMI port

With many times of removal and insertion, the pins inside the port get damaged, or the port can be loose.

You may need to repair or replace the HDMI port from your monitor and computer. However, you should avoid doing this yourself if you don’t have knowledge. 

We recommend contacting a professional technician or visiting an electric repair shop near you. 

6. Enable HDMI connection 

Sometimes enable the HDMI connection on monitor solves the issue. Generally, the HDMI connection is automatically on the newer Samsung monitors.

With the new monitors, when you connect the cable to one end of the monitor and the other end to the source device, the connection is automatically enabled.

But if you have an old Samsung monitor, you will need to manually enable the connection in the menu.

Here are the steps to do it:

  • Firstly, press the menu button on your monitor 
  • Now, use an arrow key to navigate to the settings menu
  • Then navigate to the external device settings menu
  • Now select the HDMI connection 
  • Enable it and select it 
  • Now press the menu button on the monitor to exit the menu

7. Check the power cable of the monitor 

If your Samsung monitor is not displaying anything or flickering the display, then you must ensure the power cable on your monitor.

Ensure that the power cable supplies enough power to the monitor; if it is not firmly connected, you must reconnect it securely.

If it does not solve the issue, ensure the cable is not faulty or damaged. If it is, then replace it with a new one.

8. Adjust the resolution settings 

If you have recently adjusted the resolution settings on your monitor, it may also cause the monitor to not detect the HDMI connection.

In order to solve the issue, you must adjust the resolution settings on your monitor.

Here are the steps to do it:

  • Right-click on the anywhere of the display, then select the “display settings.”
  • Now click on the “Advanced display settings.”
  • Now select the “resolutions support by your monitor,” which is usually under the resolution 
  • Click on the apply, then click on ok
  • Now try again to connect the HDMI cable to the monitor to see if it works 

9. Switch the input sources 

You should switch the input sources on your monitor to see if it works.

Here are the steps to do it:

  • Press the source button physically on the monitor or on the remote 
  • Select the HDMI as the input source 
  • You should also use the display on the HDMI adapter if your monitor does not have the HDMI port 
  • In order to switch the input sources, press the “input on source buttons” on the remote 
  • You can also switch by pressing the “menu” button and then by selecting the “input”>source
  • If you’re still not able to switch the input source, then you will need to restart your pc

10. Reset Cmos/Bios 

Sometimes, resetting a CMOS/Bios resolves the issue. There are various things to try to reset the Cmos/Bios.

Here are the steps to reset:

Unplug the power cord from the back of your monitor 

Locate the small button on the back of your monitor, which is usually located at the bottom and labeled with “reset” or “clear.” 

After locating the button, press it for about 10 to 15 seconds 

Now plug the power cord back into the monitor and turn it on the monitor 

Now, ensure that your monitor detects the HDMI. If it does not, then try to repeat the steps several times 

11. Update the chipset and graphic drivers 

If your PC has an integrated graphic processor, then you will need to update its driver in order to solve the issue.

Sometimes, updating the driver removes the bugs and glitches that cause the issue.

Here are the steps to update the graphic driver:

  • Visit the manufacturer’s website 
  • Now look for the support or download pages 
  • Then download the compatible graphic driver with your system 
  • Install the driver by following the instructions 
  • Once you have installed the drivers, try to restart your monitor to see if it works

Here are the steps to update the chipset drivers:

  • Visit the motherboard or PC manufacturer’s website 
  • Now look for the support or download section 
  • Now download the specific and compatible chipset driver for your motherboard model 
  • Then, install the river by following the instructions 

12. Factory reset the monitor 

If youre still facing issue then you will need to factory reset your monitor. It will remove all of the old settings and allow the monitors to start from the beginning.

Here are the steps to factory reset the monitor:

Unplug your monitor from a power source 

Then press the monitor’s power button for about 25 seconds 

Release the button and replug the monitor back to the power source 

Now try to turn on your monitor by pressing the power button

After doing the factory reset, your monitor will detect the HDMI connection. If it does not work, then you must get in touch with an expert technician for further instructions.

13. Contact Customer Support

If you are still facing this problem after trying all methods, contact Samsung customer support. 

The customer support will assist you with different solutions or be able to provide you with a repair or replacement offer. 

Final Thoughts

These are the possible solution that helps to fix the issue if your Samsung monitor is not detecting HDMI.

  • Reconnect HDMI cable
  • Check the monitor with another computer
  • Replace HDMI cable
  • Faulty HDMI port


How do I know if my Samsung monitor is not detecting the HDMI connection?

You can check if your Samsung monitor is not detecting the HDMI connection. You can reset the monitor by unplugging it from the power source, letting it for some time, and then replugging it back.

If it does not work, try changing the HDMI cable, which connects the monitor to the PC.

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