Causes and Symptoms
- Is there a vertical or horizontal line on the screen?
Try this
➔ Check if the pins are damaged or have foreign objects. If they do, replace the cable with an authentic cable.
Check the cable signal condition of the device connected to the monitor and check the spec or setting of external device.
Is there a vertical or horizontal 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.
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.
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.
This guide was created for all models, so the images or content may be different from your product.
