How To Reset HDMI Port Of LG TV?

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Written By Dinu Sri

Dr H. T. D. S. Madusanka is an electronic expert with 10 years of experience, involved in the research and development of SMART HOME systems.

As a well-known company in the electronic market, LG produces high-quality items. Even if your company is well-known and your products are excellent quality, you may still encounter difficulties. If you’re having problems with your LG phone, you may want to contact LG customer support.

When delivered through HDMI, the visual signal on LG Full HD TVs is often delayed or interrupted. HDMI-enabled video games, analogue and digital networks, and televisions all have the potential to experience this issue.

A motherboard problem is most likely to blame if your LG TV’s HDMI port doesn’t function. A replacement motherboard may be obtained here to re-enable HDMI. Check to see whether the problem is resolved by restarting your TV.

Why is HDMI not working on my LG TV?

Please read this instruction if you have an LG TV and the HDMI port is faulty.

samsung smart tv
samsung smart tv
  1. The HDMI Cable & Port Must Be Working Properly Before You Can Use It

If there are any difficulties with the picture or the cable, check the cables, Hdmi input, and asked to put both on TV as well as the console. Certain LG TVs may experience HDMI incompatibility if other devices are connected to the TV.  It’s a good idea to start with both the Led Lcd TV’s Easy Installation Guide. To get things started, connect a device you’re familiar with, such a Blu-ray player or cable box, to the TV. Check the connected device’s functionality by playing media on it.

Having a bad HDMI connection can prohibit you from connecting to your television. An HDMI connection issue may be solved by following these tips.

In order to determine whether the problem is with the ports or the cable, try a new HDMI cable first. If you can’t figure out what’s wrong, changing the Hdmi port may help.

Check that the HDMI cable is connected to a socket on the TV. You may need to connect your system to a different HDMI port.

Check for damage to the HDMI pins on your device. If you see any bent pins in your video game or computer system, you should get a new one.

If you’re not careful, your television’s HDMI port might be damaged. To be certain, have a look at the metalwork surrounding the port. Metal may be a problem if it is bent or damaged. In this case, the HDMI port needs be replaced.

In certain cases, you’ll have to replace your TV if the pins and/or receivers have frayed or gone apart owing to poor care or usage. It’s always possible to hire a professional if you’re not confident in your own abilities. For the most part, this is a simple repair.

  1. Motherboard Shorted Out

The LG TV’s HDMI connections may need to be replaced if they suddenly stop working. If the HDMI is one of a number of ports that aren’t functioning, your motherboard may well have short circuited out and needs to be replaced. Numerous minuscule components make up LG’s motherboard. These people are responsible for implementing all of the LG Smart tv’s features and functions. If you have an issue using your LG smart TV, you may need to fix or replace this component.

Before you begin dismantling your television, be sure that all of the essential replacement parts are available. Contact LG’s customer service team if you have any issues with repairing or replacing components.

In order to solve any HDMI issues you may be facing, disconnecting all HDMI cables and reactivating the TV will do the trick. After that, connect the power supply and HDMI cable. Whether there are any improvements, you should be fine. Unfortunately, LG TVs are infamous for having issues with the HDMI port, which is a common complaint. It’s possible that the TV’s resolution is set to “auto” instead being immediately operational when turned on. This problem might be the result of a miscommunication between both the TV as well as the connected device.

For an HDMI link to operate properly, the resolution of your LG TV and your smartphone must be the same. Use the built-in screen resolution choices on your LG TV to achieve the best image quality and audio-video synchronization.

Your gadget must not be more significant than 4K before you may change the resolution to your television’s native.

  1. It’s Time To Get Rid Of The Amplifier

If you’re trying to use a home theater system with an AV amplifier, your LG TV and the amplifier may not even be compatible. The HDMI connection on your amplifier must match the HDMI input on the television. Ensure this before connecting your amplifier. An LG TV connected through HDMI must be able to communicate with the amplifier.

The visual interface may be directly connected to the television instead of an A/V receiver. There’s a good chance the A/V transmitter is to fault for the problem. It’s exemplified by the analog link to the A/V receiver. After receiving the signal, your television will not be able to show it.

LG TV HDMI No Signal Problem

The LG Help Center makes troubleshooting a television that is relatively simple to display a “No Signal” indication. They have the following suggestions:

Your external device may be linked to the incorrect HDMI port, so check whether your TV’s input channel matches your external device’s HDMI port number.

Modify the incoming ports. If it still doesn’t work, the one you tested could be defective.

Try adding a different external device to see if the issue is with that one. In such a case, you can rule out the possibility of a TV issue. You may need to replace your HDMI cable.

To avoid any confusion, pay attention to the labelling on the cable and plug it in according to the instructions.

LG TV Input Switching Problems

There are several ways to connect to your TV. Even though you may only have one device attached, the primary methods should be able to recognize which input you are currently using and keep it until you manually alter the setting.

When you’re viewing a program, and the TV pops up an input notification, or when you switch it on, and the default input mode is set, you have to manually switch into your preferred input mode. It’s a nuisance and should not be happening at all.

Turning off your LG TV’s rapid start option will deactivate the TV’s auto input recognition capability. When you turn on the TV, it won’t immediately switch between inputs. You should also clean the app caches and save data on your LG TV if you receive this input prompt when streaming any applications since damaged data is causing this. There is no need to worry! A simple remedy is required, so here are the key steps.

Auto Input Detection Should Be Disabled

Auto Device Detection is activated on your LG TV, which means that anytime you turn the TV on, this will automatically change between inputs and pick an input source for you. By disabling Auto Device Detection, the TV will no longer attempt to recognize the video input source.

On LG TVs, You May Disable Quick Start

The Auto Device Identification function may not be disabled on specific LG TV models. The “Quick Start Mode” may be disabled to prevent your TV from immediately switching channels in certain situations. In other words, LG TV’s Quick Start mode offers a shortcut to getting the TV up and running quickly. Your previous input is ignored, and you might choose a new data source.

How do I reset the HDMI port on my LG TV 

The process of resetting a television’s HDMI port is simple. Helps restore the tv’s mechanical functions:

  1. All HDMI Wires Should Be Unplugged

One of the most typical issues with television is a faulty HDMI port. Ensure all of your HDMI wires are unplugged before you begin the process. This might be a sign that the HDMI port on your TV has been improperly used or that the port is just unclean and needs cleaning.

  1. The Power Cycle

Ensure that your TV has had an HDMI cable and is connected to the HDMI before shutting off its power supply for 30 seconds. Reset the TV’s on/off switch. When everything else fails, try resetting the TV’s HDMI port. Turn off the television if you’re watching it. Disconnect your TV’s HDMI from the rear. The television should be turned on. Your TV’s HDMI port may be reconnected to the HDMI cable.

  1. Reconnecting in a New Order

Connect the back in a different order to verify whether they are operating well. This can tell you whether the HDMI port on your LG TV or the HDMI cable you’re using is faulty.

  1. Inquiring About the Resolution of Devices Connected

The resolution of linked devices may be checked under the resolution settings. As a precaution, ensure the HDMI device’s configuration option isn’t set to auto. Keep in mind your television’s resolution ranges between 420p and 4k or even higher. Check to make sure they’re identical before submitting your application.

Which Types Of Problems Can I Resolve With Resetting HDMI Port?

Since the advent of the USB port in the new century, many of us have turned a blind eye to the other ports. However, these ports are more common on laptops that have just hit the market. Consumer gadgets use the HDMI standard, High-Definition Signal And send, to transmit unencrypted audio and video data.

Because of this, we agree that HDMI is the primary connection for HDTVs, computers, DVD players, video decoders and other devices such as cameras and game consoles. It is important to know that the operating system has already enabled this port on the laptop to transfer video and audio to external devices.

  • Connect the laptop to your tv through an HDMI cable.
  • Blu-ray and HD-DVD provide high-definition video.
  • Play video games on a console without having to deal with any hassle.

How Do I Get HDMI To Work On My LG TV?

HDMI-CEC, or consumer electronics control, is standard on all current HDMI-equipped televisions. Since this standard is included in the HDMI protocol, you can use your TV remote to operate connected devices like Blu-ray burners and sound systems. Simplink is LG’s term for the HDMI-CEC capability, available on all TVs.

To begin, go to the main Settings menu or the Settings” menu and choose the Advanced Settings screen at the bottom. This will take you to the Advanced App settings.

Look for Simplink in the general Options menu and open the option.

There is a toggle button in the Simplink interface where you may activate or disable this capability. Please make sure the external storage devices are connected before turning them on.

How to Replace LG TV HDMI Port

Is it possible to change your input on an LG TV and use a remote control? This is a popular question. For the time being, this is not feasible. This part will demonstrate how to use your 

TV’s remote control to change the input source quickly.

  • Open the LG TV’s Home Screen by pressing the power button.
  • Use your remote control to access the Inputs menu at the top right of the screen.
  • From here, you can check which devices are currently online.
  • To begin, choose the input you wish to utilize.
  • The ability to switch between inputs in seconds is now at your fingertips.


A technology built into LG TVs ensures you get the highest possible picture quality out of your new TV. Adjusting a few of the settings on your LG television is highly recommended if you want to get the most out of it.

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