lg 34um57 manual

The LG 34UM57 is a 34-inch UltraWide IPS LED Monitor with 2560x1080 resolution, AMD FreeSync technology, 5ms response time, OnScreen Control software, Game Mode, Black Stabilizer, Reader Mode, Flicker Safe technology, and Split Screen 2.0. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Devices 7. OnScreen Control Software 8. Gaming Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: 34-inch UltraWide IPS display, Stand with tilt adjustment, Power button, Joystick control, HDMI ports, DisplayPort, Audio out.

FeatureDescription
Screen Size34-inch UltraWide IPS LED
Resolution2560 x 1080 (21:9 aspect ratio)
AMD FreeSyncReduces screen tearing and stuttering
Response Time5ms
Input Ports2x HDMI, 1x DisplayPort
Audio Out3.5mm headphone jack
Split Screen 2.0Multi-tasking with multiple inputs
Game ModeOptimizes settings for gaming
Black StabilizerEnhances visibility in dark scenes
Reader ModeReduces blue light for comfortable reading

Installation

Unpack and inspect contents. Assemble monitor stand.

  1. Attach stand to monitor: Align and secure with provided screws.
  2. Connect video sources: Use HDMI or DisplayPort cables.
  3. Connect audio: Use 3.5mm audio cable if needed.
  4. Plug into AC power.

WARNING! Monitor is heavy; lift with care to avoid injury. Ensure all connections are secure.

First-Time Setup

Power on monitor; adjust settings as needed.

  1. Select input source: Press joystick to access menu, select INPUT.
  2. Adjust picture settings: Use OSD menu for brightness, contrast, etc.
  3. Set resolution: Ensure 2560x1080 resolution in graphics card settings.
  4. Install OnScreen Control: Download software from LG website.

CAUTION! Ensure stable surface; handle screen carefully to avoid damage.

Specifications

Controls and Settings

Access OSD via joystick control. Power button: Turns monitor on/off.

OSD Menu: Brightness, Contrast, Sharpness, Color Temperature, Input Select, Game Mode, Split Screen, Reader Mode.

Picture: BRIGHTNESS, CONTRAST, SHARPNESS, COLOR TEMP (Cool, Medium, Warm). Game: GAME MODE, BLACK STABILIZER, RESPONSE TIME. Display: INPUT SELECT, SCREEN SPLIT, ASPECT RATIO. General: VOLUME, LANGUAGE, RESET.

Connecting Devices

HDMI: For computers, gaming consoles. DisplayPort: For high-performance PCs.

  1. Turn off monitor and devices before connecting.
  2. Match cables to ports (HDMI to HDMI, DisplayPort to DisplayPort).
  3. Select input via OSD menu (HDMI 1, HDMI 2, DisplayPort).

Tip: Use high-quality cables for best performance.

OnScreen Control Software

LG OnScreen Control for easy monitor settings management.

  1. Download: Get software from LG support website.
  2. Install: Run installer and follow prompts.
  3. Use: Adjust screen split, brightness, input source from PC.
  4. Screen Split: Divide screen into multiple sections for different applications.

Note: Requires Windows 7 or later, macOS 10.9 or later.

Gaming Features

AMD FreeSync: Synchronizes monitor refresh rate with GPU.

  1. Enable FreeSync: In OSD menu under Game settings.
  2. Game Mode: Optimizes contrast and response time.
  3. Black Stabilizer: Improves visibility in dark game areas.
  4. Response Time: Set to Faster for reduced motion blur.

WARNING! Extended gaming sessions may cause eye strain; take regular breaks.

Care & Cleaning

Unplug before cleaning. Use soft, dry cloth; no liquids or chemicals.

CAUTION! Do not spray liquids directly on screen; avoid abrasive materials.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits. Copyright © LG Electronics. For support, visit www.lg.com or contact 1-800-243-0000.

Troubleshooting

SymptomPossible CauseCorrective Action
No powerPower cableCheck power connection; ensure outlet works.
No signalCables/input selectionCheck cable connections; select correct input source.
Screen flickeringCable/refresh rateUse quality cables; adjust refresh rate in graphics settings.
Poor image qualityResolution settingsSet resolution to 2560x1080; adjust brightness/contrast.
Audio not workingVolume/connectionsCheck audio cable; increase volume in OSD and system.

Reset: OSD Menu > General > Reset All.

Service: 1-800-243-0000; www.lg.com

lg 34um57 manual © - All Rights Reserved 2025