LG 27UN83A - User Manual

Questions and Answers

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suzanne02Jul 28, 2025
Why is nothing displayed on my LG 27UN83A screen?
- M
  Matthew EvansJul 29, 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.
M
Matthew TaylorAug 2, 2025
Why is there no sound from the headphone port on my LG Monitor?
- L
  Leslie BlackAug 2, 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.
L
Lauren DuncanAug 7, 2025
How to enable disabled features on LG 27UN83A?
- N
  Nathaniel GarciaAug 7, 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.
J
Jason BlackAug 12, 2025
What to do if my LG 27UN83A Monitor screen display is unstable and shaky?
- M
  Marvin MillerAug 12, 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.
L
lisa21Aug 17, 2025
How to fix an "Unrecognized monitor, Plug and Play (VESA DDC) monitor found" message on my LG monitor?
- M
  mark95Aug 17, 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.
S
scottamandaAug 22, 2025
What to do if image sticking occurs even when the LG 27UN83A Monitor is turned off?
- C
  Christopher JonesAug 22, 2025
  Displaying a still image for a prolonged time may cause damage to the screen, resulting in the retention of the image. To extend the lifetime of your LG monitor, use a screensaver.

Summary

License Information

HDMI Licensing Terms

Terms for HDMI and HDMI High-Definition Multimedia Interface.

USB Implementers Forum Trademarks

Trademarks for SuperSpeed USB Trident logo and USB Type-C.

VESA Standards Trademarks

VESA, VESA logo, DisplayPort compliance logos as registered trademarks.

MaxxAudio Trademarks

MaxxAudio and additional MAXX trademarks by Waves Audio Ltd.

Open Source Software Notice

Assembling and Preparing the Monitor

Assembly Safety Precautions

Use genuine LG components, avoid unauthorized parts, handle with care.

Monitor Controls and Usage Overview

Joystick Button Operation

How to use the joystick button for power, volume, and menu navigation.

Basic Functions Guide

Explains basic functions accessible via the joystick button.

Safe Monitor Handling and Transport

Installing the Monitor on a Table

Adjusting Monitor Stand Height

Adjusting Monitor Screen Angle

Using the Pivot Feature

Kensington Security System

Wall Mount Plate Installation

Installing the Monitor on a Wall

Using the Monitor

Connecting to a PC

How to connect the monitor to a computer via HDMI, DisplayPort, and USB-C.

HDMI Connection

Transmits digital video and audio signals from PC to monitor.

DisplayPort Connection

Transmits digital video and audio signals from PC to monitor.

USB-C Connection

Transmits digital video and audio signals from PC to monitor.

Connecting Peripherals

USB Device Connection

Using the monitor's USB ports as a hub for peripherals.

Headphones Connection

Connecting headphones and speakers via the monitor's audio port.

User Settings and Menu Navigation

Activating the Main Menu

How to access and navigate the monitor's On-Screen Display (OSD) menu.

Main Menu Features Overview

Menu Settings Navigation

Quick Settings Adjustments

Brightness and Contrast

Adjusting screen contrast and brightness levels.

Volume and MaxxAudio

Controlling audio volume and enabling/disabling MaxxAudio enhancement.

Color Temperature

Customizing screen color temperature (Custom, Warm, Medium, Cool).

Input Source Selection

Input List

Selecting the active input source for the monitor.

Aspect Ratio

Adjusting the screen's aspect ratio (Full Wide, Original, Just Scan).

Picture Settings for SDR

SDR Picture Modes

Selecting picture modes for SDR content (Vivid, Reader, Cinema, FPS, RTS, etc.).

Picture Settings for HDR

HDR Picture Modes

Selecting picture modes optimized for HDR content (Custom, Vivid, Standard, Cinema, FPS, RTS).

Picture Adjustments

Brightness, Contrast, Sharpness

Adjusting screen brightness, contrast, and sharpness.

SUPER RESOLUTION+ and Black Level

Enhancing resolution and adjusting black levels for optimal image quality.

DFC Setting

Enabling or disabling the Dynamic Contrast (DFC) feature.

Game Adjust Settings

Response Time Settings

Configuring response time for smoother motion in games.

FreeSync Configuration

Setting up AMD FreeSync for tear-free gaming.

Black Stabilizer

Adjusting black levels for better visibility in dark game scenes.

Color Adjustments

Gamma Settings

Adjusting gamma values to control image brightness and contrast.

Color Temperature Settings

Setting screen color temperature (Custom, Warm, Medium, Cool).

Six Color Adjustments

Customizing Hue and Saturation for six specific colors.

Picture Reset

Resetting all picture settings to their default values.

Sound Settings

Volume Control

Adjusting the monitor's audio volume level.

MaxxAudio Enhancement

Enabling or disabling the MaxxAudio sound enhancement feature.

General Settings

Language and SMART ENERGY SAVING

Setting menu language and managing energy consumption.

Power LED and Automatic Standby

Controlling the power LED and setting the automatic standby timer.

DisplayPort Version

Setting the DisplayPort version for compatibility.

HDMI ULTRA HD Deep Color

Optimizing images with ULTRA HD Deep Color via HDMI.

Buzzer and OSD Lock Settings

Configuring buzzer sounds and locking OSD menus.

OSD Size Adjustment

Selecting the size of the On-Screen Display (OSD) menus.

Deep Sleep Mode

Enabling Deep Sleep Mode for power saving in standby.

Monitor Information Display

Displaying serial number, power on time, and resolution.

Reset to Initial Settings

Resetting all monitor settings to their default values.

Troubleshooting Common Issues

No Display or Signal Issues

Solutions for when the screen shows no image or a 'No Signal' message.

Display Instability and Image Artifacts

Addressing screen flickering, shaky images, shadow trails, and image sticking.

Screen Spots and Feature Availability

Understanding screen spots and resolving disabled feature issues (e.g., OSD Lock).

Unrecognized Monitor Message

Resolving 'Unrecognized monitor, Plug and Play' errors.

No Sound from Headphone Port

Troubleshooting issues with audio output to headphones.

Images Displayed Without Sound

Ensuring audio output is correctly configured for the monitor.

Product Specifications Overview

Display and Power Specifications

Details on color depth, resolution, power rating, and consumption.

Environmental and Physical Specs

Operating/storing conditions, dimensions, and weight.

Factory Support Modes (PC)

PC Preset Modes (DisplayPort;USB-C)

Supported preset modes, frequencies, and polarity for PC connections.

Factory Support Modes (HDMI)

HDMI Preset Modes

Supported preset modes, frequencies, and polarity for HDMI connections.

LG 27UN83A Specifications

General

Brand	LG
Model	27UN83A
Category	Monitor
Language	English

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