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Samsung TV Input Source Problem

Recently updated on January 8th, 2023 at 12:42 pm

Samsung is one of the most famous and trusted brands in the television world, Samsung is known for its reliability and durability, and also it offers some extra cool and unique features as compared to its competitors. And, that’s why people choose Samsung over other Tv brands.

Although, we know Samsung is a good brand but there are still some issues that users can get on their Samsung TV.

In today’s post, we’re here to discuss the input source problem on Samsung TV which is faced by many TV owners. Users are getting no signal on their TV screen due to input source issues. Some users are not able to change the input on their Samsung TV.

Below, we’ve discussed why is Samsung TV input not working and how you can fix the Samsung TV input source issue.

Why my Samsung TV input source not working?

Getting Samsung TV input source problem after connecting an external device to your Samsung TV. Then, your Samsung TV HDMI port could be not working properly or maybe you’re not selecting the right input source.

There can be too many reasons why your HDMI is not working properly, but we’ve to find that one culprit.

How do I fix the source on my Samsung TV?

Are you unable to change the source on your Samsung TV? It can be fixed by turning off the HDMI CEC feature. All you need to do is, press the button in the following sequences – Mute > Vol- > Ch- > Mute.

Power cycle 

A power cycle is one of the simplest and easiest methods to fix your issue. When you perform a power cycle it will drain the residual power from the TV. To perform a power cycle on your Samsung TV you have to;

  1. First of all, you need to shut down all the HDMI devices that are connected to your Samsung TV. And also, remove all the cables that are connected to your tv.
  2. Now, unplug the TV’s power cord from the power socket and press and hold the TV’s Power button for 30-45 seconds.
  3. Next, reconnect all the HDMI cables back into their ports. 
  4. Then plug the TV’s power cord back into the power socket and turn on the TV. Check whether this helps or not.
power cycle your devices

If performing a power cycle didn’t help you in fixing the Samsung TV input source problem, then try following the other steps below.

Cold Reboot your Samsung Smart TV

Some users said that they were able to fix the issue with their Samsung TV input, by cold booting their Samsung TV. You can try cold booting your Samsung Smart TV to fix input not working, changing input, etc.

To cold boot your Samsung Smart TV;

  • Press and hold the Power button on your Samsung TV remote.
  • Once your TV restarts, release the Power button on your TV’s remote.

After performing the cold boot, check if you’re able to choose the correct input or not.

Related: Fix Hisense Roku TV black screen of death.

Reboot/Soft Reset TV Remote

Another way to fix source-related problems is to soft reset your Samsung remote. Follow the below instructions to reboot/soft reset your Samsung TV remote.

  1. Open the back lid of your Samsung remote.
  2. Remove the batteries.
  3. Next, hold down the Power button for 10 seconds.
  4. And, then put the batteries back in remote.

Now, try selecting the correct input and see if it works. If the issue persists, move on to the following methods/fixes.

Choose the Correct Input Source

If there’s an external device connected to your TV, then you have to select the same TV’s source input as your device’s HDMI cable is connected to.

Like, if you’ve plugged a cable box or a PlayStation HDMI cable to labeled HDMI port 1, then you’ve to select the HDMI 1 on the TV’s source input. So make sure you’re selecting the right input on your Samsung Smart TV.

If this doesn’t help, then swapping the HDMI cable from port 1 to port 2. Now, try to select the correct HDMI input.

If you’re able to use other HDMI ports, then this means that one of your HDMI ports is not working or damaged. This can cause HDMI input to not work properly.

Reconnect the HDMI cable

Sometimes there can be a connecting issue in your external device HDMI cable. So, try disconnecting the HDMI cables from the back/side panel of your TV and external device as well. Now, reconnect the HDMI cables back to the external device and TV port.

If you’re still facing the issue, then connect the HDMI cable from HDMI 1 to HDMI 2 or HDMI 3. Now, press the Source button and select the right source input.

reconnect hdmi cable

Replace the HDMI Cable

If reconnecting the HDMI cables didn’t help you out, then maybe there’s some fault in your HDMI cable.

Try to find another HDMI and if you’ve any extra HDMI cable, then connect it to your TV and device. Now, select the Input source and check whether this helps or not.

If it helps, then your old cable is of no use. But if your HDMI input is still not working, then try other troubleshooting steps that are mentioned below.

Related: Fix Sharp TV keeps turning off.

Connect to a Different External Device

Disconnecting, reconnecting, and replacing the HDMI cables, nothing worked for you? What if there’s no fault in your HDMI cables or ports, maybe there’s some problem with your external device.

In this scenario, you’ve to check your external device by replacing or connecting another external device.

  1. First of all, disconnect the cable of the external device that is connected to the TV. 
  2. Next, connect the cables of another external device to the TV and then turn on the TV.
  3. After that, select the correct HDMI source input and check if the issue persists.

How to Turn Off Auto-Detect HDMI (HDMI-CEC) on Samsung TV?

Samsung has been offering an auto-detect HDMI feature (HDMI-CEC) for the past few years.

But recently many Samsung Smart TV users reported that their TV keeps changing the input over and over again.

If you want to disable this feature, then your TV must be operating at the latest software version.

So first, make sure your Samsung Smart TV is updated to its latest version. After updating your Samsung Smart TV, you can follow the steps below to fix the input switching automatically issue on your Samsung TV.

Fix Samsung TV Keeps Changing Input by following the steps below.

With IR Remote
  • On your Samsung TV remote, press Mute > 7 > 2 > 9 and then press Exit.
  • Now, HDMI CEC feature is disabled on your Samsung TV.

After disabling this feature, your Samsung TV will not change the source by itself when connected to any other external device.

With Smart Remote
  • First of all, go to TV source (not the HDMI source).
  • Now, press the following button sequences
    Mute > Vol- > Ch- > Mute

Now, your Samsung Smart TV will not change input by itself.

Related: Fix TCL TV black screen.

Replace the batteries

Why is my Samsung TV not recognize HDMI inputs? Users reported that they are not able to change the source inputs.

If you’re also one of them, then there can be a reason, maybe your Samsung remote is running out of batteries. In this case, replace the old batteries with the new ones and try to change the input.

But what if your TV remote is still not working, then you’ve to change the source input manually. 

How do I manually change the source on my Samsung Tv? 

If your Samsung TV remote is not working, then you can manually change the input. You can manually change input by pressing the buttons available at the back of your Smart TV. Every Samsung TV comes with a control stick, which can come in handy in such situations.

If your TV has a control stick,

  1. Press it and a Menu will appear at the bottom left corner, press the control to the right and you’ll navigate to the Source option.
  2. Press OK (Release the button and press it). Now, go to HDMI and select the source input number.
manually change input from samsung tv buttons

Tip: If you’re still not able to change your source, then install the SmartThings app from the Play Store or App Sore and follow the on-screen prompts and add your TV. Now you can access your TV using your mobile phone

Factory Reset Your Samsung Smart TV

Factory reset is one of the best methods to resolve any issue on your Samsung TV. Even though it clears all of your data, it clears all the bugs and gives a new and fresh start to your device.

And if you’re still stuck at source input problem, then perform a factory reset on your Samsung TV. If you don’t know, how to perform a factory reset on your Samsung TV then;

  1. Navigate to the Settings
  2. Select the General option.
  3. Click on Reset. If you haven’t changed your pin, then your default pin will be 0000. Enter the pin and press OK.
  4. Now your TV resetting process will start. It will take a while but it can fix your input issue.
reset samsung smart tv

Customer Support

If factory resetting the TV also failed to help you, then customer support is the only hope for you. Try to contact Samsung customer support and ask them about how to fix Samsung TV input source not working, or Samsung TV changing input by itself. They can help you in fixing this issue.

How do I change my TV to HDMI without a remote?

If your remote isn’t working then there’s a Control stick near the power LED light of your tv or you can control your tv via the Samsung SmartThings app.

How to Fix Home or Source Buttons Samsung Smart TV?

Try to reset your tv remote, it can help in fixing the source button issue.
– First of all, open the back panel of the remote.
– Now, Remove the batteries and
– Start Pressing the buttons (any buttons) on the remote for about 20 seconds.
– Stop pressing the buttons after 20 seconds and change the old batteries with new ones.

You can also check our post on how to fix Hulu not working on Samsung Smart TV.

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