TCL TV not working with HDMI (Reasons +Troubleshooting Tips)

Author: Anirban Saha

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TCL TV is a popular brand known for offering affordable and good-quality flat-screen televisions.

They provide you with one of the best television viewing experiences. But, sometimes, you may face the issue of TCL TV not working with HDMI.

With just a few basic steps to troubleshoot the problem, you should be able to determine the best solution to your TV not working with HDMI issues.

This blog will discuss what factors may cause it to not work with HDMI and what you can do to troubleshoot and fix it in easy steps.

Why Should you Trust Me? Hi, I am Anirban Saha, an Engineer with a Specialization in Electronics and Communication Engineering. I have experience with electronics circuits and computer peripherals.

Let’s get started!

Why is TCL TV not working with HDMI? (Reasons)

If your TCL television is not detecting the HDMI link, then the issue might be compatibility. 

TCL TV not working with HDMI

To determine the issue, you will need first to connect the gadget to another system or use another HDMI to connect your TV. 

If it works, you will say it is compatible, but the problem is with the connecting device if it fails.

If the gadget is what you have been using, you will need to conduct troubleshooting methods to restore your TCL television capability in detecting or displaying HDMI content.

Below are the steps to follow: 

  1. Connect the HDMI cable to another HDMI port on your television
  2. Replace the cable with a new one. Sometimes HDMI cable lines become susceptible to shooting out.
  3. Ensure the pins on the linking device have no bends
  4. Check if the HDMI port is damaged.

Why is my TV not picking up HDMI?

If your television HDMI port fails to work completely or recognize HDMI, possibly the motherboard has shorted out. 

In most cases, this problem is fixed by replacing the motherboard, but you will need to seek the help of an expert. 

Before replacing it, restart your television, unplug all the HDMI cables, and disconnect the power for like 10 minutes to be sure if the motherboard is the problem. 

How do I get my TCL TV to turn on HDMI?

Fixing the issue is very easy. First, you need to change the input source on your TCL tv and insert it into the correct HDMI port.

Go to settings and open wireless display in your television menu, then applications. 

You will need to choose the adapter option from the available devices list. Carefully follow the on-screen instructions to complete the setup. 

How do I reset the HDMI port on my TCL TV?

To reset the HDMI port on the tv is easy. Resetting helps restore your tv’s mechanics:

1. Unplug all HDMI cables

The TV HDMI port is one of the most common problems in television. The first thing you need to do is unplug all of the HDMI cables from the TV.

The TV HDMI port may be damaged due to improper use of cables, or it may be that the port is just dirty and needs to be cleaned.

2. Power Cycle Method

If your TV has an HDMI port and is plugged into the HDMI port, turn off the TV’s power switch at the wall outlet and wait for 30 seconds. 

Turn the TV’s power switch back on. If the issue is not resolved, try resetting the HDMI port on the TV. Turn your TV off. Unplug the HDMI cable from the back of your TV.

Turn on the TV. Plug the HDMI cable back into the back of your TV.

3. Connecting back in Different Sequence

Connect the back using a different sequence to see if they are working. This will help know if your HDMI port in TCL TV is bad or if your HDMI cable is bad. 

Otherwise, plugging it back using a different sequence of HDMI ports will make things work again.

4. Checking the Resolution of Connected Devices

If this doesn’t help, check the resolution of connected devices under resolution settings.

If the HDMI device contains a configuration setting, ensure it is not auto since this might cause it. 

Always ensure its resolution matches your tv, which varies from 420p to 4k or even more. Always ensure they are similar.

TCL TV is not working with HDMI Troubleshooting Tips

If your TCL tv is not connecting to the HDMI source or cable, perhaps the linked device is not sending the content via the HDMI port; you will need to fix the issue by: 

1. Changing the video output of linked devices

The HDMI port might have some issues with your TCL TV. So, you need to check if you get the output changing the HDMI port of your TCL TV. 

This will ensure that you have a faulty HDMI port in your TCL TV. Also, select the same in your TV menu to check properly.

2. Checking if Right Video Output is Selected in TCL TV:

It might happen that any other video output type is selected in your TCL TV. Search the video output on the linked device’s configuration menu to check if the output is set to HDMI.

Also, check if the right HDMI output is selected. 

E.g., You need to check if the output would be HDMI 1 or HDMI 2 if there are 2 ports available in your TCL TV.

What do you do when your TCL tv says no signal?

Finding the problem with your TCL TV when it says no signal or image can be a nightmare.

Sometimes all it takes is to switch off all devices connected to your TV and then switch them back on again in the following order.

When connecting the HDMI to your tv, but you keep getting errors or no signal message, it is time to perform a hard reset.

Here are the steps below, which you can follow when your TCL TV says no signal:

  1. Switch off all devices connected to your tv
  2. Unplug all connected HDMI cables
  3. Switch off your television
  4. Unplug the power cable
  5. Press and hold the power button of your tv for 30 seconds 
  6. Reconnect the cables back

After following the above steps, you now need to power on your devices using a different order that you have not tried.

Consider reversing the sequence of turning on your devices. Many users have found it helpful when restoring Tv HDMI functionality. 


Let’s conclude this post on why TCL TV is not working with HDMI with proper troubleshooting steps.

There are several reasons why your TCL TV might not be working with HDMI. 

Hopefully, the troubleshooting tips provided in this article will help you identify and fix the issue. 

If you are still unable to get your TV to work with HDMI, please contact TCL’s customer service department for assistance.

I hope you enjoyed reading this post.

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