LG 34UM69G User Manual (English)

Questions and Answers:

H
Heather AndersonJul 27, 2025
How to fix an LG Monitor when nothing is displayed on the screen?
- C
  Charles WeberJul 27, 2025
  If nothing is displayed on your LG Monitor screen, first, ensure the power cord is correctly plugged into the power outlet and test the outlet with another device. Check the power cable connection and press the power button on the monitor. Also, ensure the correct input is enabled by navigating to Menu > Input > Input List. If the monitor is in sleep mode, move the mouse or press any key. Finally, verify that your computer is turned on and check the cable connection.
S
Stephanie ThomasJul 31, 2025
What to do if the LG 34UM69G Monitor screen display is unstable and shaky?
- R
  Renee PerkinsJul 31, 2025
  If your LG Monitor displays an unstable and shaky screen, or if images leave shadow trails, and the selected resolution is HDMI 1080i 60/50 Hz (interlaced), the screen may be flickering. To resolve this, change the resolution to 1080P or the recommended resolution.
C
Courtney Thomas DVMAug 5, 2025
How to fix no sound from the headphone port or speaker on LG 34UM69G?
- R
  Raymond CruzAug 6, 2025
  If you are getting no sound from the headphone port or speaker of your LG Monitor, try increasing the volume using the button on the monitor. Also, set the audio output of the PC to the monitor you are using. On Microsoft Windows, go to Control Panel > Hardware and Sound > Sound and set the monitor as the default device.
C
Catherine LaraAug 9, 2025
Why is the display color abnormal on my LG 34UM69G Monitor?
- J
  John MorrisonAug 9, 2025
  If the display color on your LG Monitor appears abnormal, first, set the color to 24 bit (true color) or higher by going to Control Panel > Display > Settings > Color Quality in Windows. Next, check if the signal cable is properly connected; try reconnecting it or reinserting the PC's graphics card. Note that in some cases, this may not be an error related to the monitor's performance.
P
Patricia CarterAug 14, 2025
What does 'Unrecognized monitor, Plug&Play (VESA DDC) monitor found' mean on my LG 34UM69G Monitor?
- J
  Jeffery ReidAug 14, 2025
  If you see an "Unrecognized monitor, Plug&Play (VESA DDC) monitor found" message on your LG Monitor, be sure to install the display driver from the LG website: http://www.lg.com. Also, ensure that your video card supports the Plug&Play function.
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Rebecca WilliamsAug 18, 2025
Why does the screen retain an image on my LG 34UM69G Monitor?
- V
  Victoria McculloughAug 18, 2025
  Displaying a still image for a prolonged time may cause damage to the screen of your LG Monitor, resulting in the retention of the image. To extend the lifetime of the monitor, use a screensaver.
J
Jonathan MorrisonAug 22, 2025
How to turn off the OSD lock message on an LG 34UM69G?
- B
  Bryan CaseAug 22, 2025
  If your LG Monitor is displaying the OSD lock message, go to Menu > General and set OSD Lock to Off.

LG 34UM69G Specifications

General

3D	-
DDC/CI	Yes
HD type	QXGA
Pixel pitch	0.312 x 0.31 mm
Screen shape	Flat
Response time	14 ms
SmartResponse	5 ms
Display surface	Matt
Display diagonal	34 \
Display resolution	2560 x 1080 pixels
Display technology	LED
Native aspect ratio	21:9
Peak luminance ratio	90 %
Supported video modes	1080p
sRGB coverage (typical)	99 %
Contrast ratio (typical)	1000:1
Display number of colors	16.78 million colors
Display brightness (typical)	250 cd/m²
Supported graphics resolutions	2560 x 1080
Dynamic contrast ratio marketing name	Mega Contrast
RMS rated power	14 W
Number of speakers	2
AC input voltage	100 - 240 V
AC input frequency	50 - 60 Hz
Energy efficiency scale	A to G
Power consumption (typical)	39 W
Power consumption (PowerSave)	- W
Tilt angle range	-5 - 20 °
Number of OSD languages	17
Panel mounting interface	100 x 100 mm
On Screen Display (OSD) languages	CHI (SIMPL), CHI (TR), DEU, ENG, ESP, FIN, FRE, GRE, ITA, JPN, KOR, POL, POR, RUS, SWE, UKR
Mercury content	0 mg
Certification	UL(cUL), TUV, FCC-B, CE, CCC, EPA7.0, Erp
Product color	Black, Red
Package depth	212 mm
Package width	982 mm
Package height	488 mm
Package weight	11300 g
Cables included	AC, HDMI

Weight and Dimensions

Depth (with stand)	279.7 mm
Height (with stand)	465.3 mm
Weight (with stand)	8500 g
Depth (without stand)	41.5 mm
Width (without stand)	828.5 mm
Height (without stand)	370.2 mm
Weight (without stand)	6400 g