How to Make HDMI Work on TV if It Doesn’t Transmit Image

Through the following guide we will teach you How to make HDMI work on TV if it does not transmit image, solving the majority of common problems in this type of connection.

How to make HDMI work on TV if it does not transmit image

There are some debates that talk about the differences and advantages between HDMI and DisplayPort, but the truth is that the HDMI connection is still one of the most important, at least in the world of television.

Indeed, the HDMI connection is available on practically all TVs, but it is not without problems, one of the most common being that the image is not transmitted correctly. Given this, you can take certain measures that possibly help you solve this problem.

Verify that you are using the correct input

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Since the advent of HDMI output, more and more televisions include multiple inputs from this popular interface. In fact, today there are televisions that even include four or more HDMI ports.

HDMI cable

On many occasions, it happens that the reason why the TV does not transmit an image through HDMI is precisely that we are not using the correct Input. On most televisions HDMI inputs are numbered, something that tends to show both in rear panel (at a physical level), such as within the software or TV menu, for this reason, we recommend doing the port check.

Check the health of your HDMI cable

Undoubtedly, this type of cable is very versatile, allowing you to even connect a mobile phone to a TV via HDMI. Even so, like any other type of connection, it is also prone to damage, which is why it can be damaged relatively easily in the event of a pull or improper treatment.

Understanding the condition of the digital signal, many times when a HDMI cable it gets damaged, it won’t show any kind of image. In other words, when the video and audio signal is interrupted by a cable problem, no image of any kind will be transmitted. This is why we recommend checking the health of your HDMI cable.

Check that it is the correct signal

Televisions, like any other electronic device, have an operating range, where appropriate, the screen refresh rate and resolution are usually the ones that define the capabilities of the equipment.

Although it is something «unusual», it is possible that the image is not displayed on the screen since the TV does not recognize the signal. We indicate that this is rare, since most televisions tend to indicate or display warnings of the type “Unknown video signal” on the screen.


In any case, it would not hurt to verify that the signal emitted when connecting your laptop to the TV via HDMI cable (or any other device) is correct for your type of television, both in frequency and resolution.

Disconnect and reconnect the cable

It may seem obvious, but many times unconnecting and reconnecting the cable solves the problem of missing image on a television. This is usually because the HDMI cable was not connected properly or simply because the computer or device did not recognize it.

Reconnecting, you will force the device that emits the signal to recognize the television, which in the vast majority of circumstances helps to solve the problem with the image.

HDMI is the king to transmit image on a TV

The truth is that the HDMI connection is essential today, in fact, there are some gadgets and devices that allow you to increase the number of ports or HDMI connections in SMART TV and many other very interesting functions.

It is because of the above that even though there are other alternatives, this type of connection is still the undisputed king in the television market and although there are certain common problems, as you have seen before, most of them are easily solved.

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