34' UltraWide Ergo QHD IPS HDR Monitor with FreeSync™ user manual

34" UltraWide QHD (3440 x 1440) IPS Display Ergo Stand (Extend/Retract/Swivel/Height/Tilt) 3-Side Virtually Borderless Design sRGB 99% Color Gamut / HDR10 AMD FreeSync™ Color Calibrated


(LED Monitor*)

* LG LED Monitor applies LCD screen with LED backlights.

Please read this manual carefully before operating your set and retain it for future reference.

Copyright 2019 LG Electronics Inc. All Rights Reserved.




The terms HDMI and HDMI High-Definition Multimedia Interface, and the HDMI Logo are trademarks or registered trademarks of

HDMI Licensing Administrator, Inc.




VESA, VESA logo, DisplayPort compliance logo and DisplayPort compliance logo for dual-mode source devices are all registered trademarks of the Video Electronics Standards Association.


The SuperSpeed USB Trident logo is a registered trademark of USB

Implementers Forum, Inc.

MaxxAudio and additional MAXX trademarks are trademarks and/ or registered trademarks of Waves Audio Ltd.


Supported Drivers and Software

People who looking for 34WN780-B also looking GE® Smart 40 Gallon Electric Water Heater with Flexible Capacity GE40S10BMM user manual, GE® 230 Volt Electronic Room Air Conditioner AEH25DM user manual, 34' UltraWide Ergo QHD IPS HDR Monitor with FreeSync™ user manual, GE® 21.9 Cu. Ft. Capacity Side-By-Side Refrigerator GSS22JFPBB user manual, GE Café™ Series 36" All Gas Professional Range with 6 Burners (Natural Gas) CGY366SELSS user manual, GE® ENERGY STAR® 21.9 Cu. Ft. Top-Freezer Refrigerator GIE22JTNRWW user manual, GE Profile™ 30" Free-Standing Electric Range with Warming Drawer PB910TPCC user manual, GE® 18.2 Cu. Ft. Top-Freezer Refrigerator GTS18EBSWW user manual, GE Profile™ 1.6 Cu. Ft. Spacemaker® XL1600 Over-the-Range Non-Vented Microwave Oven JVM1661BB user manual

Drivers and Software

Installation Priority

Monitor Driver


OnScreen Control


Dual Controller

Always use genuine LG components to ensure safety and product performance.

The product warranty will not cover damage or injury caused by the use of unauthorized components.

It is recommended to use the supplied components.

If you use generic cables not certified by LG, the screen may not display or there may be image problems.

Illustrations in this document represent typical procedures, so they may look different from the actual product.

Do not apply foreign substances (oils, lubricants, etc.) to the screw parts when assembling the product. (Doing so may damage the product.)

Applying excessive force when tightening screws may cause damage to the monitor. Damage caused in this way will not be covered by the product warranty.

Do not carry the monitor upside down by just holding the base. This may cause the monitor to fall off the stand and could result in personal injury.

When lifting or moving the monitor, do not touch the monitor screen. The force applied to the monitor screen may cause damage to it.

For wave pattern on appearance, unlike the general method of coating, its applied to added glittering material there is no problem in using the product at all.

The components may look different from those illustrated here.

Without prior notice, all product information and specifications contained in this manual are subject to change to improve the performance of the product.

To purchase optional accessories, visit an electronics store or an online shopping site, or contact the retailer from which you purchased the product.

The power cord provided may differ depending upon the region.

Product and Button Description

Moving and Lifting the Monitor

When moving or lifting the monitor, follow these instructions to prevent the monitor from being scratched or damaged and to ensure safe transportation, regardless of its shape or size.

Place the monitor in the original box or packing material before attempting to move it.

Before moving or lifting the monitor, disconnect the power cord and all other cables.

Hold the bottom and side of the monitor frame firmly. Do not hold the panel itself.

When holding the monitor, the screen should face away from you to prevent it from being scratched.

When transporting the monitor, do not expose the monitor to shock or excessive vibration.

When moving the monitor, keep it upright and never turn the monitor on its side or tilt it sideways.

Disassemble and reposition the head and stand separately when moving the monitor.

How to Use the Joystick Button

You can easily control the functions of the monitor by pressing the joystick button or moving it left/right/up/ down with your finger.

Basic Functions

Press the joystick button once with your finger to turn on the monitor.

Press and hold the joystick button once more than 3 seconds with your finger to turn off the

Volume control

You can control the volume by moving the joystick button left/right.

The joystick button is located at the bottom of the monitor.

Avoid touching the monitor screen as much as possible.

-- This may result in damage to th