LG 29UM68-P Benutzerhandbuch

Nothing is displayed on the screen.
Is the monitor's power cord plugged 

in?

 

y

Check if the power cord is correctly plugged into the power outlet.

Is the power LED on?

 

y

Check the power cable connection and press the power button. 

Is the power on and the power LED 

displaying white?

 

y

Check that the connected input is enabled (Menu > Quick Settings 

> Input).

Is the power LED blinking?

 

y

If the monitor is in sleep mode, move the mouse, or press any key 

on the keyboard, to switch the display on. 

 

y

Check if the computer is turned on.

Is the OUT OF RANGE message 

being displayed?

 

y

This occurs when signals transferred from the PC (graphics card) 

are out of the horizontal or vertical frequency range of the monitor. 

Please see the Product Specification section of this manual to set 

the appropriate frequency.

Is the No Signal message being 

displayed?

 

y

This is displayed when the signal cable between the PC and 

the monitor is missing or disconnected. Check the cable and 

reconnect it.

The OSD lock message is being displayed.
Are some functions not avail-able 

when you press the Menu button?

 

y

The OSD is locked. Go to Menu > General and set OSD Lock to 

Off.

The screen retains an image.
Does image sticking occur even 

when the monitor is turned off?

 

y

Displaying a still image for a prolonged time may cause damage to 

the screen, resulting in the retention of the image. 

 

y

To extend the lifetime of the monitor, use a screensaver.

Screen display is unstable and shaky / Images displayed on the monitor leave shadow trails.
Did you select the appropriate 

resolution?

 

y

If the selected resolution is HDMI 1080i 60/50 Hz (interlaced), the 

screen may be flickering. Change the resolution to 1080P or the 

recommended resolution.

 

y

Vertical frequency  In order to display an image, the screen must be refreshed dozens of times per second, like a 

fluorescent lamp. The number of times the screen is refreshed per second is called  vertical frequency, or refresh 

rate, and is represented by Hz.

 

y

Horizontal frequency  The time it takes to display one horizontal line is called the horizontal cycle. If 1 is divided 

by the horizontal interval, the result is the number of horizontal lines displayed per second. This is called horizontal 

frequency and is represented by kHz.