What to do if HDMI is not working in Windows 10?

HDMI Cable

The HDMI connection represented a step forward to the old analog connection based on two or three cables: red, white and yellow, through which the audio and video were transmitted. The advance was undoubtedly significant by reducing everything to a single cable and increasing the quality of the image displayed on the screens. In that sense, we want to give you some solutions that can help you when the HDMI connection is not working on your Windows 10 computer.

This situation is more frequent than you think and its causes may point to various aspects, so we must carry out a verification processFrom hardware to software.

Reasons why the HDMI connection is not working in Windows 10

HDMI connection

The factors that affect the operation of the HDMI connection and Windows 10 are multiple. This is the main reason why we must carry out a problem resolution protocol that allows us to detect the origin as quickly as possible. It is also to be considered that the problems of HDMI are not only video, but also audio.

Therefore, It is worth mentioning some of the most common faults that we find in this area:

  • Damaged HDMI cables.
  • Damaged HDMI port.
  • Missing or failed video drivers.
  • Screen refresh rate not supported.
  • Incorrect selection of audio output.

Steps to detect HDMI connection failure with Windows 10

To detect why HDMI is not working in Windows 10, we are going to follow a logical order that will depend on whether the problem is related to audio or video.

inspect the wire

The first and most basic step to determine a failure of this type is to verify that the hardware elements are in good condition and working. In that sense, The first thing will be to check the physical state of the cable in search of broken or bent areas that may be interrupting the communication.

This is a necessary step because it can give us an immediate answer on the causes of the problem, be it audio or video.

Equally, If you have the opportunity, it is an excellent option to try the cable on another computer to see if it has the same behavior. This will also allow you to rule out that the fault is in the port of the equipment or the screen.

Check the audio output in Windows 10

If the cable and ports are physically correct and you are having trouble with the sound, then we need to turn to software. Let us remember that the HDMI cable is a connection that integrates audio and video, so Sometimes it is necessary to tell the computer which audio output to capture.

This process is quite simple, you just have to click on the speaker icon on the Windows 10 taskbar, next to the time.

audio output windows 10

This will bring up the volume knob and at the top you will see a tab with the name of the audio controller in use.

Select audio output

To change it, click on it and the list of available devices will be displayed, there you can select your TV or HDMI screen.

Detect screen manually

If the problem you have is with the image display, it can be very useful to go through the process of detecting the screen manually. When HDMI doesn't work on Windows 10, it may be due to the port version and age of the display. A) Yes, In these cases, the best thing to do is tell the operating system that there is a new image device connected.

To achieve this, press the Windows + I key combination and enter the “System” section.

Windows 10 Configuration

You will immediately be in the area dedicated to display settings in Windows 10. Scroll down and in the “Multiple displays” section, you will find the “Detect” button.

detect screen

Click and in a matter of seconds you will have your monitor or television working, connected to your computer.

check drivers

When the above solutions don't work, it's time to look directly at the controllers. Drivers are a piece of software that work as a bridge between the operating system and the hardware. Its purpose is that the environment meets the compatibility requirements required to establish communication between both points.

Automatic update

In this regard, Our first action will be to perform an automatic search for drivers from Windows. To do this, right-click on the start menu and enter Device Manager.

Go into Device Manager

This will open a window with all the components that the computer has and that work through a driver. The first option that appears is that of display controllers, click on the tab that appears right next to it and you will see the list of devices displayed.

There you will have the television, monitor or image equipment that you want to connect, right click and select “Update Driver”.

Device administrator

A new window will be displayed where you will have to choose the option “Search for drivers automatically”.

Search for drivers automatically

Wait for the search and installation to finish and try again if HDMI does not work in Windows 10.

Using third-party software to update

There is a third party software called Driver Genius that completely facilitates the update and installation of drivers in Windows 10. If you don't want to complicate yourself too much, you can use this application and make the process in a simpler way.

Once installed, the software starts a system scan to detect the drivers on your computer, how old they are and if there is a newer version.

Driver Genius Analysis

Upon completion, go to “Driver Update” and find the HDMI device that requires the update.

Update All Drivers

In case you don't want to look for it or you can't find it, you can click on “Update all” and at the end, check the operation of the HDMI connection.


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