Lines on Samsung TV screen

Last Update date : Mar 15. 2023

There are a few different ways you might see lines or missing pixels on the TV screen. To determine whether this is a software problem or a hardware issue, please follow the steps below:

Information Icon Please Note: The information on this page is for Australian products only. Models, sequences or settings will vary depending on location and/or where the product had been purchased. To be redirected to your local support page please click here.

TV

Troubleshooting

1 Check whether the lines on the screen are moving or permanent.
2 If the lines sway, check the input source (HDMI 1, Video, PC, etc.) and connection to see if they are properly connected. Disconnect and re-connect the video cable/HDMI to check if the issue is resolved.
3 Pull up the Menu screen and check whether the issue persists.
4 If the lines continue to move or stay permanent, perform a Picture Test by selecting the following options below.

Performing a Picture Test

2022 Model TVs
1 Press the Home button on your remote control and then select Menu
Select Menu
2 Navigate to Settings then All Settings
Choose Settings then All Settings
3 Select Support then Device Care
Select Support then Device Care
4 Your device will run a quick scan. Once completed, select Self Diagnosis
Self Diagnosis, middle button down the bottom of screen.
5 Choose Picture Test. An information screen will appear stating you are about to perform a Picture Test. Select OK to proceed
Picture Test, second box in from the top left.
Picture Test information screen.
6 A test picture will now appear. If the issue is intermittent or does not always show in the picture test, it is worth booking a technician to service the TV as it may still be a hardware fault
Picture test.
2020 - 2021 Model TVs

Follow the steps below to learn how to perform a Picture Test on your 2020 and 2021 model TVs or watch our instructional video. 

1 Press the Home icon Home button on your Samsung remote control to bring up the Smart Hub and then select Settings cog Settings
Samsung Smart Hub.
2 Scroll down to the Circle with a spanner inside Support tab and then select Device Care

Note: If Device Care is greyed out, please exit the app running in the background of your TV.  

Device Care, second from the top in centre list.
3 Your device will run a quick scan. Once completed, select Self Diagnosis
Self Diagnosis, middle button down the bottom of screen.
4 Choose Picture Test. An information screen will appear stating you are about to perform a Picture Test. Select OK to proceed
Picture Test, second box in from the top left.
Picture Test information screen.
5 A test picture will now appear. If the issue is intermittent or does not always show in the picture test, it is worth booking a technician to service the TV as it may still be a hardware fault
Picture test.
2016 - 2019 Model TVs
1 Press the Home icon Home button on your Samsung remote control to bring up the Smart Hub and then select Settings cog Settings
Smart Hub
2 Scroll down the tabs on the left-hand side and select Cloud with a question mark in it. Support then Self Diagnosis

Note: If Self Diagnosis is greyed out, please exit the app running in the background of your TV.  

Support Menu
3 Select Start Picture Test. You will then see a pop-up box informing you that a test photo will be shown. Select OK to advance
Self Diagnosis Menu
Picture Test prompt
4 A test picture will now appear. If the issue is intermittent or does not always show in the picture test, it is worth booking a technician to service the TV as it may still be a hardware fault
Smart TV: There are horizontal/vertical lines on the TV screen

2015 Models: Menu > Support > Self Diagnosis > Picture Test

5 If you have exhausted the steps above, it may be best to have a technician look into this. Please call 1300 362 603 (Toll Free in Australia) for further support. We can help find out whether your TV is covered by warranty and book a technician for service. You can also contact our Chat Support team

If you require further assistance, please consult the user manual from our Manuals & Downloads page or contact our Samsung Care Australia experts on 1300 362 603 (Toll Free in Australia). You can also contact our Chat Support team or reach us through Samsung Members Community. 

    This product should be mounted to a wall or other suitable surface to avoid serious injury. Find out more here.

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