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LG UltraGear 32GN550-B - User Manual

LG UltraGear 32GN550-B
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* Disclaimer : LG LED Monitor applies LCD screen with LED backlights.
This product is a computer monitor and not for television purpose.
Please read this manual carefully before operating your set and retain it
for future reference.
32GN500
32GN50T
32GN550
www.lg.com
Copyright © 2019 LG Electronics Inc. All Rights Reserved.
OWNER’S MANUAL
(LED Computer Monitor*)
Gaming Computer Monitor

Table of Contents

Questions and Answers

  • J
    John WhiteJul 29, 2025
    What to do if nothing is displayed on LG UltraGear 32GN550-B Monitor screen?
    • M
      Monique TaylorJul 29, 2025
      If nothing is displayed on your LG Monitor screen, verify that the power cord is correctly plugged into the outlet. Check the power cable connection and ensure the power button is pressed. Also, confirm the connected input is enabled via Menu > Input. If the monitor is in sleep mode, move the mouse or press a key. Ensure your computer is turned on. If the issue persists, check the signal cable between the PC and the monitor and reconnect it if necessary. Finally, install the display driver from the LG website and ensure your graphics card supports Plug and Play.
  • A
    Allison WalkerAug 3, 2025
    What to do if there is no sound from LG UltraGear 32GN550-B headphone port?
    • R
      Robert MoranAug 3, 2025
      If there's no sound from the headphone port on your LG monitor, first ensure that the headphone connections are properly made. Then, try increasing the volume using the joystick. Lastly, set the audio output of your PC to the monitor you are using by going to Control Panel > Hardware and Sound > Sound and setting the Monitor as the default device.
  • H
    hsmithAug 9, 2025
    Why is the display color abnormal on my LG UltraGear 32GN550-B Monitor?
    • M
      Matthew YoungAug 9, 2025
      If the display color on your LG monitor is abnormal, first, ensure that the color depth is set to 24 bit (true color) or higher by navigating to Control Panel > Display > Menu > Color Quality in Windows. Check if the signal cable is properly connected, and reconnect it or reinsert the PC's graphics card if needed. Note that pixilated spots (red, green, blue, white, or black) may appear, which is normal for an LCD screen and not related to the monitor's performance.
  • L
    lori41Aug 16, 2025
    How to fix unstable and shaky screen display on LG Monitor?
    • J
      James SmithAug 16, 2025
      If your LG Monitor's screen display is unstable and shaky, and images leave shadow trails, it might be due to the selected resolution. If it's set to HDMI 1080i 60/50 Hz (interlaced), the screen may flicker. Try changing the resolution to 1080p or the recommended resolution.
  • D
    Dr. Kelly TurnerAug 21, 2025
    How to prevent image retention on LG Monitor?
    • A
      Ashlee HartAug 21, 2025
      If your LG monitor screen retains an image, it may be caused by displaying a still image for a prolonged time, which can damage the screen. To extend the monitor's lifetime, use a screensaver.

Summary

LICENSE INFORMATION

OPEN SOURCE SOFTWARE NOTICE

ASSEMBLING AND PREPARING THE MONITOR

Monitor Assembly Cautions

Warnings regarding component use, force, and handling during assembly.

Monitor Assembly Notes

Notes on component appearance, product changes, and accessories.

SUPPORTED DRIVERS AND SOFTWARE

PRODUCT AND BUTTON DESCRIPTION

Joystick Button Location

Identifies the joystick button's location on the monitor.

USING THE JOYSTICK BUTTON

Basic Joystick Button Functions

Explains how to use the joystick for power, volume, and brightness control.

MOVING AND LIFTING THE MONITOR SAFELY

Safe Monitor Handling and Transportation

Instructions to prevent damage during moving and lifting.

INSTALLING THE MONITOR ON A TABLE

Table Installation Safety Precautions

Cautions for safe installation on a table, including power cord usage.

ADJUSTING STAND HEIGHT (32 GN550)

ADJUSTING SCREEN ANGLE (32 GN550)

Screen Angle Adjustment Range

Specifies the adjustable angle range for comfortable viewing.

TIDYING UP CABLES

USING THE KENSINGTON SECURITY LOCK

Kensington Lock Installation and Usage

Details on connecting the monitor using the Kensington security system.

INSTALLING THE WALL MOUNT PLATE

Wall Mount Plate Installation Notes

Notes on purchasing and installing the wall mount plate.

INSTALLING THE MONITOR ON A WALL

USING THE MONITOR

Monitor Operation and Input Selection

Instructions on using the joystick and selecting input options.

Monitor Usage Cautions and Notes

Cautions about screen usage and general notes on power and display.

CONNECTING TO A PC

Plug and Play Feature

Explains the Plug and Play feature for device connection.

HDMI CONNECTION

HDMI Connection Cautions

Cautions about using certified HDMI cables for compatibility.

DISPLAYPORT CONNECTION

DisplayPort Connection Notes

Notes on DisplayPort output and Mini DisplayPort usage.

CONNECTING PERIPHERALS

Connecting Headphones and Peripherals

Instructions for connecting headphones and notes on peripheral devices.

USER SETTINGS

Activating the Main Menu

Steps to access and navigate the monitor's main menu using the joystick.

Joystick Button Menu Navigation

Details how joystick movements control menu options like volume and brightness.

MAIN MENU FEATURES

Main Menu Options Overview

Lists and describes the primary options available in the main menu.

USER SETTINGS NAVIGATION

Navigating OSD Menu Settings

Explains how to enter and navigate the OSD menu settings.

User Settings Categories

Lists the main categories for user settings like Game Mode and Picture Adjust.

GAME MODE ON SDR SIGNAL

SDR Game Mode Presets

Describes various Game Mode presets for SDR signals.

GAME MODE ON HDR SIGNAL

HDR Game Mode Presets

Details Game Mode presets optimized for HDR signals.

HDR Game Mode Notes

Notes regarding HDR functionality and potential issues with graphics cards.

GAME ADJUST: MOTION BLUR REDUCTION

1 ms Motion Blur Reduction Feature

Explains the 1ms Motion Blur Reduction feature and its requirements.

Game Adjust Notes

Notes on motion blur reduction, brightness, and FreeSync compatibility.

ADAPTIVE-SYNC AND GAME ADJUST

Adaptive-Sync Functionality

Describes Adaptive-Sync for smoother images and its requirements.

Adaptive-Sync Settings and Requirements

Details Adaptive-Sync modes, supported interfaces, and graphic card requirements.

Black Stabilizer Feature

Explains how to adjust black contrast for better visibility in dark scenes.

GAME ADJUST: RESPONSE TIME AND CROSS HAIR

Response Time Settings

Options for adjusting response time (Faster, Fast, Normal, Off).

Cross Hair Feature for Gaming

Description of the crosshair feature for FPS games and its behavior.

Game Settings Reset Option

Option to reset game settings to default values.

PICTURE ADJUST SETTINGS

Brightness, Contrast, and Sharpness Adjustments

Adjustments for basic picture quality parameters.

Gamma Settings and Customization

Explains gamma settings for image brightness and customization.

Color Temperature and Manual Tuning

Options for setting screen color temperature and manual tuning.

R;G;B and Six Color Adjustments

Customizing picture color using Red, Green, Blue and Six Color adjustments.

Black Level Settings (HDMI Only)

Adjusting black levels for contrast and visibility.

PICTURE ADJUST: DFC AND RESET

Dynamic Contrast Control (DFC)

Automatic brightness adjustment feature.

Picture Settings Reset Function

Option to reset all picture settings to default.

INPUT SETTINGS

Input List Selection

Selecting the desired input source for the monitor.

Aspect Ratio Settings

Adjusting the screen's aspect ratio for video display.

Aspect Ratio Display Notes

Notes on how Full Wide and Original aspect ratios may appear.

GENERAL SETTINGS: LANGUAGE AND POWER

Language and SMART ENERGY SAVING Options

Setting menu language and configuring energy saving features.

Power LED and Automatic Standby Settings

Controlling the power LED indicator and automatic monitor standby function.

HDMI Compatibility Mode Settings

Enabling/disabling HDMI compatibility for older devices.

DisplayPort Version Configuration

Setting the DisplayPort version to match the connected device.

GENERAL SETTINGS: BUZZER, OSD LOCK, INFORMATION

Buzzer and OSD Lock Configuration

Configuring monitor sound alerts and locking menu settings.

Information and Reset to Initial Settings

Displaying system information and restoring default settings.

TROUBLESHOOTING COMMON ISSUES

Troubleshooting No Display or Blank Screen

Steps to resolve issues when nothing is displayed on the screen.

Troubleshooting Screen Resolution and Signal Problems

Resolving screen resolution, flickering, and "No Signal" messages.

Troubleshooting Display Driver Installation

Ensuring correct display driver installation and Plug and Play support.

Troubleshooting Disabled Menu Features

Resolving issues with disabled menu functions, often due to OSD lock.

SCREEN DISPLAY TROUBLESHOOTING

Screen Image Retention and Prevention

Addresses image sticking and recommends using a screensaver.

Screen Stability and Resolution Issues

Resolving screen instability, flickering, and shadow trails by checking resolution.

Frequency and Graphics Card Settings

Guidance on setting graphics card resolution and frequency for optimal performance.

DISPLAY COLOR TROUBLESHOOTING

Troubleshooting Discolored or Monochrome Display

Steps for resolving display color issues and setting color quality.

Understanding Screen Spot Normalcy

Explains that colored spots on the screen are normal for LCD.

HEADPHONE PORT AUDIO TROUBLESHOOTING

Resolving No Sound from Headphone Port

Resolving issues with no sound from the headphone port.

PRODUCT SPECIFICATION (32 GN500;32 GN50 T)

LCD Screen and Resolution Specs

Details on color depth, max, and recommended resolutions.

Power Sources and Consumption Details

Information on power rating, consumption, and AC/DC adapter.

Environmental Operating Conditions

Operating and storing conditions for temperature and humidity.

PRODUCT DIMENSIONS AND WEIGHT

Monitor Dimensions (With;Without Stand)

Physical dimensions of the monitor with and without the stand.

Monitor Weight (With;Without Packaging)

Weight of the monitor with and without packaging.

PRODUCT SPECIFICATION (32 GN550)

32 GN550 LCD Screen and Resolution Specs

Specifications for color depth and resolution for the 32GN550 model.

32 GN550 Power and Environmental Specs

Power rating, consumption, and environmental conditions for 32GN550.

32 GN550 DIMENSIONS AND WEIGHT

32 GN550 Monitor Dimensions

Physical dimensions for the 32GN550 model.

32 GN550 Monitor Weight

Weight specifications for the 32GN550 model.

FACTORY SUPPORT MODE

Factory Support Mode Preset Modes

Lists preset display modes with corresponding frequency and polarity.

Factory Support Mode Remarks

Remarks for specific preset modes, like DisplayPort compatibility.

HDMI TIMING (VIDEO)

HDMI Timing Preset Modes

Lists HDMI preset video modes with frequencies.

HDMI Timing Remarks

Remarks for HDMI timing, noting HDMI 2.0 and Freesync Premium.

POWER LED INDICATOR

Power LED Status Indicators

Describes the LED color and status for On, Sleep, and Off modes.

LG UltraGear 32GN550-B Specifications

General IconGeneral
Screen Size32 inches
Resolution2560 x 1440 (QHD)
Refresh Rate165 Hz
Response Time1 ms (GtG)
Panel TypeVA
Brightness350 cd/m²
Contrast Ratio3000:1
Aspect Ratio16:9
Adaptive SyncAMD FreeSync Premium
ConnectivityHDMI, DisplayPort
Viewing Angle178° (H) / 178° (V)
HDRHDR10
VESA Mount100 x 100 mm
Ports2 x HDMI, 1 x DisplayPort, 1 x Headphone Out
Color GamutsRGB 95%

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