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LG Monitor Screen - There is a vertical line on the screen

Troubleshooting



Check if the pins are damaged or have foreign objects. If they do, replace the cable with an authentic cable.

Causes and Symptoms

  • The signal cable connection condition is poor.
  • There might be a problem in the PC signal.

Try this

Is the cable connected properly?

➔ Check if the pins are damaged or have foreign objects. If they do, replace the cable with an authentic cable.

Check if the pins are damaged or have foreign objects. If they do, replace the cable with an authentic cable.
Note

Did you use the cable that came with the monitor?

If you use a cable that doesn't meet the product's specifications, it may cause issues such as noise, no display, etc.
Did you use the cable that came with the monitor

Is there a vertical line?

➔ Remove the monitor signal cable.

If [No signal] screen shows vertical lines in the same location, then it requires accurate inspection by an LG Electronics technician.

Remove the monitor signal cable.

Are there many vertical lines like rainbows?

➔ Remove the monitor signal cable and connect it again.

If you still experience the same issue after reconnecting the cable, have your monitor checked by an LG Electronics service technician.

Remove the monitor signal cable and connect it again.

Is there a vertical line as shown in the below figure?

➔ In this case, the LCD panel is damaged due to external physical impacts, service inspection is required.

Is there a vertical line as shown in the below figure

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

   In case the issue is not resolved, please contact the LG support representative at this number : 800 54

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