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LG TV - Troubleshooting Vertical Lines or Stains on an OLED TV Screen

  • Troubleshooting

At a Glance

OLED TVs use pixel technology that emit light on their own, resulting in brighter and clearer picture quality compared to regular products. In the event images, such as channel logos, remain on the screen or if lines appear, the Pixel Refresher function is can correct these issues.

Note

Pixel Refresher or Clear Panel Noise is available on OLED models 2016 and newer.


Try This

➔ If you see those lines or spots on the TV screen across channels, in the settings menu, run [Pixel Cleaning] (also known as [Pixel Refresher] in older models).

  1. Select Your WebOS Version

    WebOS 23 WebOS 22 WebOS 21 WebOS 6.0 WebOS 5.0 or older How to find out?
  2. Identify the WebOS Version

    1 Press the nosound [Mute] button on the TV remote 3 times repeatedly.

    Image of quietly pressing the key 3 times on the remote control

    2 Platform will help you identify the WebsOS version

    Image that displays product information on the TV screen, such as model, serial number, etc

    3 Select your WebOS Version

    WebOS 23 WebOS 22 WebOS 21 WebOS 6.0 WebOS 5.0 or older
  3. Running the Pixel Cleaning


    Press the Setting botton button on the TV remote and select [All Settings][General][OLED Care][OLED Panel Care][Pixel Cleaning].


    1 Turn on the TV and press the [Settings] button on your TV remote.
    Select [All Settings] in the [Settings] menu.

    Image that enters all settings by pressing the setting button on the remote control

    2 Select [OLED Care] .

    Image of entering OLED care in the General Settings menu

     

    3 Select [OLED Panel Care].

    Image of selecting OLED panel care

    4 Select [Pixel Cleaning].

    Image that select pixel cleaning function

    5 To start the Pixel Refresher feature there are two options: [Operate once when TV is off] or [Start Now].
    The Pixel Refresher process may take up to 3 hrs. to complete.

    • [Operate once when TV is off] - TV will turn back on automatically once completed.
    • [Start Now] - TV will turn off automatically and start the Pixel Refresher. Will have to manually be turned back on after 3 hrs.
    Image to run by selecting pixel cleaning
    Note

    If the TV is turned on while the Pixel Cleaning is running, it will be canceled and the will need to be restarted.

    6 If the problem persists after performing the Pixel Cleaning, service will be required. Please visit our Request a Repair page for further assistance.

  4. 2020 WebOS 5.0 or older


    Press the Setting botton button on the TV remote and select [All Settings][Picture][Additional Settings][OLED Panel Settings][Pixel Refresher].

    1 Turn on the TV and press the [Settings] button on your TV remote.
    Select [All Settings] in the [Settings] menu.

     Image that enters all settings by pressing the setting button on the remote control

    2 Select [Picture] and then [Additional Settings].

    Image to select additional settings in picture

    3 Select [OLED Panel Settings].

    Image that performs pixel refresher by selecting OLED panel settings under Additional Settings 1

    4 Select [Pixel Refresher].

    Image that performs pixel refresher by selecting OLED panel settings under Additional Settings 2

    5 To start the Pixel Refresher feature there are two options: [Operate once when TV is off] or [Start Now].
    The Pixel Refresher process may take up to 3 hrs. to complete.

    • [Operate once when TV is off] - TV will turn back on automatically once completed.
    • [Start Now] - TV will turn off automatically and start the Pixel Refresher. Will have to manually be turned back on after 3 hrs.
    Image to select pixel refresher
    Note

    If the TV is turned on will the Pixel Refresher is running, it will be canceled and the will need to be restarted.

    6 If the problem persists after performing the Pixel Refresher, service will be required. Please visit our Request a Repair page for further assistance.

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