LG WebOS Smart TV Has Lines on the screen
LG WebOS Smart TV Has Horizontal or Vertical Lines
When Horizontal or vertical lines appear on the TV screen, identify the root cause by testing the TV picture, Checking cable connections, and verifying external devices are working properly.
How to Fix
So you need to do some steps in order to make sure if the issue from the TV or not:
** Press on Home button from TV remote control.
** Then select Setting icon on the top of the screen.
** Then in setting menu select Picture
** Then Select Picture Test
If lines are present, then your TV may require services.
If not kindly you need to check the below points:
* Cable Connections:
1- Make sure the cable in use is secured correctly at both the external device and the TV.
2- Is lines are still present, you may try to use another cable please
You may also check the External devices if lines still there:
* External Devices:
1. Kindly turn the external device off.
2. Kindly remove the power cord from the wall outlet or power strip.
3. Kindly wait 30 seconds then re-apply power to the device.
4. Kindly turn the external devices back on