LG 27UD59-W User Manual

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www.lg.com

Please read the safety information carefully before using the product.

LED LCD Monitor (LED Monitor) Model List

Owner's Manual

LED LCD Monitor

(LED Monitor*)

*LG LED Monitors are LCD Monitors with LED Backlighting.

27UD59

27UD59P

Table of Contents

Questions and Answers:

W
William BakerAug 17, 2025
How to fix an LG Monitor when nothing is displayed on the screen?
- M
  Melissa BaileyAug 17, 2025
  If nothing is displayed on your LG Monitor screen, start by checking if the power cord is properly connected to the power outlet and test the outlet with a lamp. Also, verify the power cable connection and press the power button. Ensure the correct input is enabled by going to Menu > Quick Settings > Input. If the monitor is in sleep mode, move the mouse or press a key. Confirm that your computer is turned on. Check the cable and reconnect it. If the signals from the PC are out of range, see the Product Specification section of this manual to set the appropriate frequency.
C
Cameron WatsonAug 19, 2025
How to troubleshoot no sound from LG Monitor headphone port?
- F
  Felicia HillAug 20, 2025
  If there is 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 by going to Control Panel > Hardware and Sound > Sound and setting the monitor as the default device on Microsoft Windows.
A
Anna WilsonAug 22, 2025
Why is nothing displayed on my LG 27UD59-W Monitor screen?
- E
  Edward RobertsAug 22, 2025
  If nothing is displayed on your LG Monitor screen, there might be several reasons. First, ensure the power cord is correctly plugged into the outlet, and the power cable is properly connected; then, press the power button. Also, verify that the connected input is enabled by going to Menu > Quick Settings > Input. If the monitor is in sleep mode, move the mouse or press any key on the keyboard. Check that your computer is turned on. If signals from your PC are out of the monitor's frequency range, consult the Product Specification section of the manual to set the appropriate frequency. Finally, ensure the signal cable between the PC and the monitor is securely connected.
H
Heather ThompsonAug 25, 2025
How to get sound from LG 27UD59-W Monitor headphone port or speaker?
- D
  Daniel KimAug 26, 2025
  If you're not getting any sound from your LG Monitor's headphone port or speaker, and you are using DisplayPort or HDMI input, try increasing the volume using the button on the monitor. Also, set the audio output of the PC to the monitor you are using by going to Control Panel > Hardware and Sound > Sound and setting the monitor as the default device.
B
Brittany GarciaAug 28, 2025
What to do if LG 27UD59-W screen display is unstable and shaky?
- C
  Chloe LeeAug 28, 2025
  If your LG Monitor's screen display is unstable or shaky, or if images leave shadow trails, and the selected resolution is HDMI 1080i 60/50 Hz (interlaced), change the resolution to 1080P or the recommended resolution.
T
tmartinAug 30, 2025
Why does my LG 27UD59-W screen retain an image?
- E
  Emily BassAug 31, 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.
M
Michael CarlsonSep 2, 2025
What to do if the display color is abnormal on my LG Monitor?
- R
  reesecarolSep 2, 2025
  If the display color on your LG Monitor is abnormal, first, set the color to 24 bit (true color) or higher by navigating to Control Panel > Display > Settings > Color Quality in Windows. Next, check if the signal cable is properly connected; reconnect the cable or reinsert the PC's graphics card. Note that pixilated spots (red, green, blue, white, or black) may appear on the screen, which is not an error related to the monitor's performance.
K
Kevin JacksonSep 5, 2025
How to fix unstable and shaky screen display with shadow trails on LG 27UD59-W?
- J
  Jennifer AcevedoSep 5, 2025
  If your LG Monitor's screen display is unstable, shaky, or images leave shadow trails, and the selected resolution is HDMI 1080i 60/50 Hz (interlaced), the screen may be flickering. Try changing the resolution to 1080P or the recommended resolution to resolve this issue.
A
amanda22Sep 7, 2025
How to fix 'Unrecognized monitor' message on LG 27UD59-W Monitor?
- T
  tammymayerSep 8, 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. Also, make sure to check if the video card supports Plug&Play function.

LG 27UD59-W Specifications

General

Screen Size	27 inches
Resolution	3840 x 2160 (4K UHD)
Panel Type	IPS
Refresh Rate	60 Hz
Response Time	5 ms
Contrast Ratio	1000:1
VESA Mount Compatible	Yes (100 x 100 mm)
Aspect Ratio	16:9
Viewing Angle	178° (H) / 178° (V)
Color Gamut	sRGB 99%
VESA Mount	100 x 100 mm
Ports	2x HDMI, 1x DisplayPort
Dimensions (W x H x D)	24.1 x 14.1 x 2.5 inches

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