[LG OLED TV] I see vertical lines or stains on my screen

Do they persist even when you turn off the TV and turn it back on?

OLED TVs use display technology called OLED that emits light on its own, resulting in brighter and clearer picture quality compared to regular products.
However, this can cause heat on the screen and make ghost images, such as the logo of a broadcast channel, remain on specific areas of the screen when displayed for a long time.
To resolve this issue, the [Pixel Cleaning] function is available to use.

Try this

Go to [Picture Test] in Settings.

➔ Open the TV Settings menu and select the menu items as instructed below.

If the image on the test screen appears normal, it may indicate that the issue lies with the broadcast signal or external device, not with the TV itself.
In this case, please check the broadcast signal or the external device.
If you still have the issue during the picture test, run the [Pixel Cleaning].

Running [Picture Test].

Open the [Picture Test] in the TV Settings menu and select the menu items as instructed below.

Running [Picture Test] in [2022 WebOS22] and [2021 WebOS 6.0]

Press the button on the TV remote and select [All Settings] → [General] → [OLED Care] → [Device Self-Care] → [Screen Self-Diagnosis]

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

2. Select [General] and then [OLED Care].

3. Select [Device Self-Care] in [OLED Care].

4. Select [Screen Self-Diagnosis] in [Device Self-Care].

5. Perform [Picture Test] to check the screen condition.

Running [Picture Test] in the Settings menu [2020].

Press the button on the TV remote and select [All Settings] → [Support] → [Additional settings] → [Picture Test]

Run [Pixel Cleaning] in Settings.

➔ If you still see those lines or spots during the picture test or in other TV channels, run the [Pixel Cleaning] in the Settings menu as follows.

Running [Pixel Cleaning] in Settings

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

① Select [General] and then ② [OLED Care].

③ Select [Pixel Cleaning] in [OLED Panel Care].

④ To start the Pixel Cleaning feature when the TV is turned off, press [Operate once When TV is Off]]. To start the Pixel Cleaning immediately, select [Start now].
Check your TV screen when the Pixel Cleaning operation is complete.

This guide was created for all models, so the images or content may be different from your product.