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LG 27UL850-W.AEU - User Manual

LG 27UL850-W.AEU
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* LG LED Monitor applies LCD screen with LED backlights.
Please read this manual carefully before operating your set and
retain it for future reference.
27UL850
27BL85U
27BN85U
27UN850
27BN85UN
OWNER’S MANUAL
LED LCD MONITOR
(LED Monitor*)
www.lg.com
Copyright © 2018 LG Electronics Inc. All Rights Reserved.

Questions and Answers

  • M
    Matthew MendozaAug 19, 2025
    Why is nothing displayed on my LG 27UL850-W.AEU Monitor screen?
    • K
      Kimberly EverettAug 19, 2025
      There could be several reasons why nothing is displayed on your LG monitor's screen. First, ensure the power cord is correctly plugged into the power outlet and that the power cable connection is secure, then press the power button. Also, verify that the connected input is enabled in the monitor's settings under the Input section. This issue can also occur if the signal cable between your PC and the monitor is either missing or disconnected, so check the cable and reconnect it securely. Finally, the signals transferred from the PC (graphics card) might be out of the monitor's horizontal or vertical frequency range. Refer to the Product Specification section of the manual to set the appropriate frequency.
  • S
    Sarah ReevesAug 21, 2025
    Why is there no sound from the headphone port on my LG 27UL850-W.AEU Monitor?
    • W
      Wendy RoseAug 21, 2025
      If there is no sound from the headphone port on your LG monitor, first ensure that the headphone port connections are made properly. If the connections are correct, try increasing the volume using the joystick. Also, make sure to set the audio output of the PC to the monitor you are using. Note that the settings may differ depending on the operating system you use.
  • S
    Stephanie GarciaAug 25, 2025
    How to fix LG 27UL850-W.AEU Monitor when nothing is displayed on the screen?
    • A
      Aaron MillerAug 25, 2025
      If nothing is displayed on your LG Monitor screen, ensure the power cord is correctly plugged into the power outlet and that the power cable is properly connected. Then, press the power button. Also, verify that the connected input is enabled in the monitor settings (Settings > Input). Finally, check the signal cable between your PC and the monitor to ensure it's properly connected. If the issue persists, the signals from your PC might be outside the monitor's frequency range; refer to the product specifications to set the appropriate frequency.
  • R
    Raymond OlsonAug 26, 2025
    Why is there no sound on my LG 27UL850-W.AEU?
    • V
      Vincent LambertAug 26, 2025
      If images are displayed without sound on your LG Monitor, first ensure that the headphone port connections are properly made. If that's not the issue, try increasing the volume using the joystick. Finally, set the audio output of your PC to the monitor you are currently using. Note that the settings may vary depending on your operating system.
  • A
    Anthony FowlerAug 28, 2025
    Why is my LG 27UL850-W.AEU screen display unstable and shaky?
    • W
      Wesley DiazAug 28, 2025
      If the screen display on your LG Monitor is unstable or shaky, or if images leave shadow trails, and your resolution is set to HDMI 1080i 60/50 Hz (interlaced), try changing the resolution to 1080p or the recommended setting. Also, if you haven't set your graphics card to the recommended resolution, changing it might resolve the issue.
  • K
    Kristine LopezAug 30, 2025
    What to do if there is no sound from the headphone port on LG Monitor?
    • S
      Stacey SparksAug 30, 2025
      If you are not getting any sound from the headphone port on your LG Monitor, ensure that the headphone connections are properly made. You can also try increasing the volume using the joystick. Another thing to check is that the audio output of your PC is set to the monitor you are using.
  • E
    Elizabeth HuntSep 1, 2025
    How to enable disabled features on LG 27UL850-W.AEU Monitor?
    • S
      Shannon TerrySep 1, 2025
      If some features are disabled on your LG monitor, the OSD might be locked. To enable the features, disable OSD Lock in the General settings.
  • B
    Benjamin FlemingSep 3, 2025
    What to do if my LG Monitor screen display is unstable?
    • E
      Eric CarterSep 3, 2025
      If the screen display on your LG Monitor is unstable and shaky, or if images leave shadow trails, and the resolution is set to HDMI 1080i 60/50 Hz (interlaced), the screen may be flickering. Try changing the resolution to 1080p or the recommended resolution. Also, ensure that the graphics card is set to the recommended (optimal) resolution. If it is not, this may result in blurred text, a dimmed screen, a truncated display area, or misalignment of the display.
  • T
    Timothy WellsSep 5, 2025
    What to do if my LG 27UL850-W.AEU screen display is unstable and shaky?
    • S
      stephanie70Sep 5, 2025
      If your LG monitor's screen display is unstable or shaky, or if images displayed on the monitor 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. Also, not setting the graphics card to the recommended (optimal) resolution may result in blurred text, a dimmed screen, a truncated display area or misalignment of the display.
  • A
    Alexandra Whitaker DDSSep 7, 2025
    How to fix an "Unrecognized monitor, Plug and Play (VESA DDC) monitor found" message on my LG 27UL850-W.AEU Monitor?
    • M
      Martin CastroSep 7, 2025
      If you see an "Unrecognized monitor, Plug and Play (VESA DDC) monitor found" message, be sure to install the display driver from the LG website. Also, make sure to check if the graphics card supports Plug and Play function.

LG 27UL850-W.AEU Specifications

General IconGeneral
Screen Size27 inches
Resolution3840 x 2160 (4K UHD)
Panel TypeIPS
Refresh Rate60 Hz
Response Time5 ms (GtG)
HDR SupportHDR10
Aspect Ratio16:9
Contrast Ratio1000:1
VESA Mount100 x 100 mm
Viewing Angle178° (H) / 178° (V)
Connectivity2x HDMI, 1x DisplayPort, 1x USB-C, 2x USB 3.0
USB Ports2x USB 3.0
SpeakersYes, 2 x 5W
Weight6.2 kg
Brightness350 cd/m²
Color GamutsRGB 99% (typical)

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