LG 31MU97C User Manual

ENGLISH
33
TROUBLESHOOTING
TROUBLESHOOTING
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 - 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 mes-
sage 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 be-
ing 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 > Settings 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.
NOTE

LG 31MU97C Specifications

General

3D	No
DDC/CI	Yes
Color gamut	99.5 %
Pixel pitch	0.0567 x 0.1701 mm
Aspect ratio	17:9
Display diagonal	31 \
Display resolution	4096 x 2160 pixels
Display technology	LED
Contrast ratio (typical)	1000:1
Display number of colors	-
Display brightness (typical)	320 cd/m²
Supported graphics resolutions	4096 x 2160
Picture mode	Custom/sRGB/AdobeRGB/DCM Sim/DCI-P3 Sim./Reader/Calibration1/Calibration2
RMS rated power	10 W
Number of speakers	2
USB hub version	3.2 Gen 1 (3.1 Gen 1)
Number of upstream ports	3
Mini DisplayPorts quantity	1
AC input voltage	100 - 240 V
AC input frequency	50 - 60 Hz
Power consumption (max)	85 W
Power consumption (off)	0.5 W
Power consumption (standby)	- W
Power consumption (typical)	49 W
Power consumption (PowerSave)	1.2 W
Safety	UL(cUL)/CB/TCO 6.0/TUV/KC
Certification	ENERGY STAR 6.0, RoHS, Reach, Windows, FCC-B / CE
Product color	Black
Package depth	152.4 mm
Package width	972.82 mm
Package height	510.54 mm
Package weight	12020.2 g
Tilt angle range	-5 - 15 °
Panel mounting interface	100 x 100 mm
Sustainability certificates	ENERGY STAR
Cables included	AC, DisplayPort, HDMI, USB
Storage temperature (T-T)	-20 - 60 °C
Operating temperature (T-T)	10 - 35 °C
Storage relative humidity (H-H)	5 - 90 %
Operating relative humidity (H-H)	10 - 80 %

Weight and Dimensions

Depth (with stand)	241.3 mm
Height (with stand)	482.6 mm
Weight (with stand)	9616.158 g
Depth (without stand)	53.34 mm
Width (without stand)	736.6 mm
Height (without stand)	406.4 mm
Weight (without stand)	78925.1 g