* LG LED Monitor applies LCD screen with LED backlights.

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

24BN550Y

27BN550Y

OWNER’S MANUAL

LED LCD MONITOR

(LED Monitor*)

www.lg.com

Copyright © 2018 LG Electronics Inc. All Rights Reserved.

2

TABLE OF CONTENTS

LICENSE ...................................................... 2

OPEN SOURCE SOFTWARE NOTICE

INFORMATION ............................................ 3

ASSEMBLING AND PREPARING .................. 3

USING THE MONITOR ................................ 10

CUSTOMIZING SETTINGS .......................... 12

TROUBLESHOOTING ................................. 19

PRODUCT SPECIFICATION ......................... 20

LICENSE

Each model has different licenses. Visit www.lg.com

for more information on the license.

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

HDMI Licensing Administrator, Inc.

OPEN SOURCE SOFTWARE NOTICE INFORMA-

TION

To obtain the source code under GPL, LGPL, MPL, and other open source licenses, that is contained in this product, please visit http://opensource.lge.com

.

In addition to the source code, all referred license terms, warranty disclaimers and copyright notices are available for download.

LG Electronics will also provide open source code to you on CD-ROM for a charge covering the cost of performing such distribution (such as the cost of media, shipping, and handling) upon email request to [email protected]

.

This offer is valid for a period of three years after our last shipment of this product. This offer is valid to anyone in receipt of this information.

ASSEMBLING AND PREPARING

NOTE

• 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.

Supported Drivers and Software

You can download and install the latest version from the LGE website ( www.lg.com).

Drivers and Software

Monitor Driver

OnScreen Control

Dual Controller

Installation Priority

Recommended

Recommended

Optional

CAUTION

• 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 that use the supplied components.

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

• 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.

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4

Product and Button Description

•

Power Indicator

Lighting On : Turned on

• Lighting Off : Turned off

(Power Button)

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.

Button

CAUTION

• Avoid touching the monitor screen as much as possible.

This may result in damage to the screen or some of the pixels used to create images.

• If you use the monitor panel without the stand base, its joystick button may cause the monitor to become unstable and fall, resulting in damage to the monitor or human injury. In addition, this may cause the joystick button to malfunction.

USB IN 1 USB IN 2 H/P

Installing on a Table

• Lift the monitor and place it on the table in an upright position. Place the monitor at least 100 mm away from the wall to ensure sufficient ventilation.

Adjusting the Stand Height

1 Place the monitor mounted on the stand base in an upright position.

2 Handle the monitor with both hands for safety.

Max. 130.0 mm

100 mm

100 mm

100 mm

100 mm

CAUTION

• Unplug the power cord before moving or installing the monitor. There is risk of electric shock.

• Make sure to use the power cord that is provided in the product package and connect it to a grounded power outlet.

• If you need another power cord, please contact your local dealer or the nearest retail store.

WARNING

• When adjusting the screen height, do not place your hand on the stand body to avoid injury to your fingers.

Adjusting the Angle

1 Place the monitor mounted on the stand base in an upright position.

2 Adjust the angle of the screen.

The angle of the screen can be adjusted forward or backward from -5° to 35° for a comfortable viewing experience.

WARNING

• To avoid injury to the fingers when adjusting the screen, do not hold the lower part of the monitor’s frame as illustrated below.

• Be careful not to touch or press the screen area when adjusting the angle of the monitor.

5

Pivot Feature

The pivot feature allows the monitor to rotate 90° clockwise and -90° counter clockwise.

1 Raise the monitor to the maximum height.

4 Complete the installation by rotating the monitor 90° clockwise and -90° counter clockwise as shown below.

6

2 Adjust the angle of the monitor in the direction of the arrow as shown in the figure.

3 Rotate the monitor 90° clockwise and -90° counter clockwise as shown in the figure.

NOTE

• Auto Pivot feature of the display is not supported.

• The screen can be rotated easily using the screenpivot shortcut key provided with your Windows operating system. Note that some Windows versions and some graphics card drivers may use different settings for the screen pivot key or may not support the pivot key at all.

• Windows screen pivot shortcut keys

0°: Ctrl + Alt + Up arrow key ( ↑ )

90°: Ctrl + Alt + Left arrow key ( ← )

180°: Ctrl + Alt + Down arrow key (↓ )

270°: Ctrl + Alt + Right arrow key ( → )

Head Head

Stand Stand

WARNING

• To avoid scratching the stand base, make sure that when rotating the monitor using the pivot feature, the stand does not make contact with the monitor.

Swivel stand

• Image shown may differ from your Monitor set.

1 Swivel 355 degrees and adjust the angle of the Monitor set to suit your view.

Using the cable holder

Arrange the cables using the cable holder as shown in the illustration.

Rotate Set(Pivot) and put connectors. It is easy to put connectors and manage cables using cable holder.

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8

Using the Kensington Lock

The Kensington security system connector is located at the back of the Monitor set.

For more information on installation and usage, refer to the Kensington lock owner’s manual or visit the website at http://www.kensington.com

.

Connect the monitor to a table using the Kensington security system cable.

Installing the Wall Mount Plate

This monitor meets the specifications for the wall mount plate or other compatible devices.

NOTE

• The wall mount plate is sold separately.

• For more information on installation, refer to the wall mount plate’s installation guide.

• Be careful not to apply too much force while mounting the wall mount plate as it may cause damage to the screen.

• Remove the stand before installing the monitor on a wall mount by performing the stand attachment in reverse.

Installing on the Wall

Install the monitor at least 100 mm away from the wall and leave about 100 mm of space at each side of the monitor to ensure sufficient ventilation. Detailed installation instructions can be obtained from your local retail store. Alternatively, please refer to the manual for how to install and set up a tilting wall mounting bracket.

NOTE

• The Kensington security system is optional. You can obtain optional accessories from most electronics stores.

• The left or right side of the monitor head can be slightly rotated up or down (up to 3°). Adjust the horizontal level of the monitor head.

Monitor head

100 mm

100 mm

100 mm

100 mm

To install the monitor to a wall, attach a wall mounting bracket (optional) to the back of the monitor.

Make sure that the wall mounting bracket is securely fixed to the monitor and to the wall.

Wall Mount (mm)

Standard screw

Number of screws

Wall Mount Plate (Optional)

100 x 100

M4 x L10

4

LSW 149

NOTE

• A non-VESA standard screw may damage the product and cause the monitor to fall. LG Electronics is not liable for any accidents relating to the use of non-standard screws.

• The wall mount kit includes the installation guide and all necessary parts.

• The wall mounting bracket is optional. You can obtain optional accessories from your local dealer.

• The length of the screw may differ for each wall mounting bracket. If you use screws longer than the standard length, it may damage the inside of the product.

• For more information, please refer to the user manual for the wall mounting bracket.

CAUTION

• Unplug the power cord before moving or installing the monitor to avoid electric shock.

• Installing the monitor on the ceiling or on a slanted wall may result in the monitor falling off, which could lead to injury. Use an authorized LG wall mount and contact the local dealer or qualified personnel.

• 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.

• Use the wall mounting bracket and screws that conform to VESA standards. Damage caused by the use or misuse of inappropriate components will not be covered by the product warranty.

• When measured from the back of the monitor, the length of each installed screw must be 8 mm or less.

Wall Mount Plate

Back of the Monitor

Wall Mount Plate

Back of the Monitor

Standard screw:

M4 x L10

Max. 8 mm

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10

USING THE MONITOR

• Illustrations in this manual may differ from the actual product.

CAUTION

• Do not press the screen for a prolonged time. This may cause image distortion.

• Do not display a still image on the screen for a prolonged time. This may cause image retention. Use a PC screensaver if possible.

• When connecting the power cord to the outlet, use a grounded (3-hole) power strip or a grounded power outlet.

• The monitor may flicker when turned on in an area where the temperature is low. This is normal.

• Sometimes red, green, or blue spots may appear on the screen. This is normal.

Connecting to a PC

• This monitor supports the *Plug and Play feature.

* Plug and Play: A feature that allows you to add a device to your computer without having to reconfigure anything or install any manual drivers.

DVI-D connection

Transmits a digital video signal from your PC to the Monitor set. Connect the PC and the Monitor set with a DVI cable as shown in the following illustrations.

HDMI Connection

Transmits digital video and audio signals from your PC to the monitor.

CAUTION

• Using a DVI to HDMI / DP (DisplayPort) to HDMI cable may cause compatibility issues.

• Use a certified cable with the HDMI logo attached. If you do not use a certified HDMI cable, the screen may not display or a connection error may occur.

• Recommended HDMI cable types

High-Speed HDMI ®/TM cable

High-Speed HDMI ®/TM cable with Ethernet

DisplayPort Connection

Transmits digital video and audio signals from your PC to the monitor.

NOTE

• There may be no video or audio output depending on the DP (DisplayPort) version of the PC.

• If you are using a Mini DisplayPort output graphics card, use a Mini DP to DP (Mini DisplayPort to DisplayPort) cable or gender that supports DisplayPort1.2. (Sold separately)

Connecting AV Devices

HDMI Connection

HDMI transmits digital video and audio signals from your AV device to the monitor.

NOTE

• Using a DVI to HDMI / DP (DisplayPort) to HDMI cable may cause compatibility issues.

• Use a certified cable with the HDMI logo attached. If you do not use a certified HDMI cable, the screen may not display or a connection error may occur.

• Recommended HDMI cable types

High-Speed HDMI ®/TM cable

High-Speed HDMI ®/TM cable with Ethernet

Connecting Peripherals

Headphones Connection

Connect peripherals to the monitor via the headphones port.

NOTE

• Peripheral devices are sold separately.

• Depending on the audio settings of the PC and external device, headphones and speaker functions may be limited.

• If you use angled earphones, it may cause a problem with connecting another external device to the monitor.

Therefore, it is recommended to use straight earphones.

Angled Straight

(Recommend)

11

CUSTOMIZING SETTINGS

Activating the Main Menu

1 Press the Menu ( ) button.

2 Use the , , , buttons to adjust the options.

3 Press the Menu ( ) button to exit the OSD menu.

12

Monitor buttons

Button

Menu ( )

INPUT

(Power Button)

Description

If the menu is inactive

If the menu is active

If the menu is inactive

If the menu is active

If the menu is inactive

If the menu is active

Adjusts the volume level of the monitor.

Left directional key.

Adjusts the volume level of the monitor.

Right directional key.

Sets input mode. You can operate the change of input signals.

Powers on or off.

Activates the main menu.

Exits the OSD menu when the button is pressed.

Power Indicator When the monitor is in operating mode, the power indicator will turn white (on mode).

Picture Mode

Customizing settings

Quick Settings

Menu > Quick Settings

Brightness

Contrast

Volume

Color Temp

Input

Menu > Input

Input List

Aspect Ratio

Description

Adjusts the color contrast and brightness of the screen.

Adjusts the volume level.

Custom

Warm

Medium

Cool

The user can adjust it to red, green, or blue by customization.

Sets the screen color to a reddish tone.

Sets the screen color between a red and blue tone.

Sets the screen color to a bluish tone.

Description

Selects the input mode.

Adjusts the aspect ratio of the screen.

Full Wide Displays the video in wide-screen, regardless of the video signal input.

Original Displays video according to the aspect ratio of the video signal input.

NOTE

• The options may disabled at the recommended resolution (1920 x 1080).

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14

Picture

Menu > Picture

Picture Mode

Custom

Reader

Photo

Cinema

Color Weakness

Description

Allows the user to adjust each element. The color mode of the main menu can be adjusted.

Optimizes the screen for viewing documents. You can brighten the screen in the OSD menu.

Optimizes the screen to view photos.

Optimizes the screen to improve the visual effects of a video.

This mode is for users who cannot distinguish between red and green. It enables users with color weakness to easily distinguish between the two colors.

Optimizes the screen for gameplay.

Game

NOTE

• If the Picture Mode is changed, the screen may flicker or the resolution of your PC screen may be affected.

Menu > Picture

Brightness

Contrast

Sharpness

SUPER RESOLUTION+

Picture Adjust

Game Adjust

Black Level

DFC

Response Time

Description

Adjusts the brightness of the screen.

Adjusts the contrast of the screen.

Adjusts the sharpness of the screen.

Off

High

Select this option for everyday viewing. SUPER RESOLUTION+ is turned off in this mode.

Optimized picture quality is displayed when a user wants crystal clear images. It is effective for high quality video or game.

Middle

Low

The optimized picture quality is displayed when a user wants images between low and high modes for comfortable viewing. It is effective for UCC or SD video.

The optimized picture quality is displayed when a user wants smooth and natural images. It is effective for slow-moving pictures or still images.

NOTE

• Because this is a function to increase the sharpness of low resolution pictures, it is not recommended to use the function for normal text or for desktop icons. Doing so may result in unnecessarily high sharpness.

Sets the offset level (for HDMI only).

• Offset: as a reference for a video signal, this is the darkest color the monitor can display.

High

Low

On

Off

Keeps the current contrast ratio of the screen.

Lowers the black levels and raises the white levels from the current contrast ratio of the screen.

Adjusts the brightness automatically according to the screen.

Disables the DFC feature.

Sets a response time for displayed pictures based on the speed of the screen.

For a normal environment, it is recommended that you use Fast .

For a fast-moving picture, it is recommended that you use Faster .

Setting to Faster may cause image sticking.

Faster Sets the response time to faster .

Fast

Normal

Off

Sets the response time to fast .

Sets the response time to normal .

Does not use the response time improvement feature.

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Menu > Picture

Game Adjust

Color Adjust

Black Stabilizer

Cross Hair

Gamma

Color Temp

Description

You can control the black contrast to have better visibility in dark scenes.

Increasing the Black Stabilizer value brightens the low gray level area on the screen. (You can easily distinguish objects on dark game screens.)

Reducing the Black Stabilizer value darkens the low gray level area and increases the dynamic contrast on the screen.

Cross Hair provides a mark on the center of the screen for First Person Shooter (FPS) games. Users can select the cross hair that fits their gaming environment among four different cross hairs.

• When the monitor is off or enters energy saving mode, the Cross Hair feature is automatically turned Off.

Mode 1, Mode 2, Mode 3

Mode 4

The higher the gamma value, the darker the image becomes. Likewise, the lower the gamma value, the lighter the image becomes.

If you do not need to adjust the gamma settings, select Mode 4 .

Selects the factory default picture color.

Warm: Sets the screen color to a reddish tone.

Medium: Sets the screen color between a red and blue tone.

Cool: Sets the screen color to a bluish tone.

Custom: The user can adjust it to red, green or blue by customization.

Red

Green

Blue

You can customize the picture color using Red, Green, and Blue colors.

Picture Reset Do you want to reset your settings?

No

Yes

NOTE

• This is subsidiary for color weakness user. Therefore if you feel uncomfortable with the screen, please turn off this function.

• This function can’t distinguish some colors in some images.

Cancel the select.

Returns to the default settings.

Sound

Menu > Sound

Volume

Main Audio

To adjust the Volume of headphone or speaker.

To choose the audio source input.

Description

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General

Menu > General

Language

SMART ENERGY SAVING

Power LED

Automatic Standby

OSD Lock

Information

Reset

Description

To choose the language in which the control names are displayed.

High

Enables SMART ENERGY SAVING you can save energy with this energy- high efficient.

Low

Enables SMART ENERGY SAVING you can save energy with this energy- low efficient.

Off Disables SMART ENERGY SAVING .

* SMART ENERGY SAVING : Conserve energy by using luminance compensation algorithm.

Turns the power indicator on the front side of the monitor on/off.

On The power indicator is automatically turned on.

Off The power indicator is turned off.

Feature that automatically turns off the monitor when there is no movement on the screen for a period of time. You can set a timer for the auto-off function.

( 8H , 6H , 4H and Off )

Prevents incorrect key input.

On Key input is disabled.

NOTE

• All function except for the OSD Lock mode, Information, brightness, Contrast, Input and Volume are disabled.

Off Key input is enabled.

The display information will be shown the Model , Total Power On Time , Serial Number , Resolution .

Do you want to reset your settings?

No

Yes

Cancel the select.

Returns to the default settings.

NOTE

• Saving Data depends on the Panel. So,those values should be different from each panel and panel vendor. If you select the option of SMART ENERGY SAVING is High or Low , monitor luminance become lower or higher depend on source.

TROUBLESHOOTING

Check the following before calling for service.

No image appears

Is the power cord of the display connected?

Is the power indicator light on?

Do you see an "Out of Range" message on the screen?

Do you see a "NO SIGNAL" message on the screen?

• Check and see if the power cord is connected properly to the power outlet.

• Press the Power button.

• This message appears when the signal from the PC (video card) is out of horizontal or vertical frequency range of the display. See the 'Specifications' section of this manual and configure your display again.

• After the monitor is on "NO SIGNAL", the monitor goes to DPM mode.

• This is displayed when the signal cable between the PC and the monitor is missing or disconnected. Check the cable and reconnect it.

• If monitor is DPM with power LED off condition,user should be press twice DC button for wake up monitor screen.

Can 't you control some functions in OSD?

Can't you select some menu in OSD?

• You can unlock the OSD controls at any time by entering the OSD lock menu and changing items to off.

CAUTION

• Check Control Panel ► Display ► Settings and see if the frequency or the resolution were changed. If yes, readjust the video card to the recommend resolution.

• If the recommended resolution (optimal resolution) is not selected, letters may be blurred and the screen may be dimmed, truncated or biased. Make sure to select the recommend resolution.

• The setting method can differ by computer and O/S (Operation System), and resolution mentioned above may not be supported by the video card performance. In this case, please ask to the computer or the video card manufacturer.

Display image is incorrect

The screen color is mono or abnormal.

The screen blinks.

• Check if the signal cable is properly connected and use a screwdriver to fasten if necessary.

• Make sure the video card is properly inserted in the slot.

• Set the color setting higher than 24 bits (true color) at Control Panel ► Settings .

• Check if the screen is set to interlace mode and if yes, change it to the recommend resolution.

Do you see an "Unrecognized monitor, Plug&Play (VESA DDC) monitor found" message?

Have you installed the display driver?

• Be sure to install the display driver from our web site: http://www.lg.com.

• Make sure to check if the video card supports Plug&Play function.

The screen is flickering.

Did you select the recommended resolution?

• If the selected resolution is HDMI 1080i 60/50 Hz, the screen may be flickering. Change the resolution to the recommended resolution 1080P.

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20

PRODUCT SPECIFICATION

24BN550Y

LCD Screen

Resolution

Video Signal

Power Consumption

Power Input

Environmental conditions

Dimension

Weight (Without Packaging)

Type

Pixel Pitch

Maximum Resolution

Recommended Resolution

Horizontal Frequency

Vertical Frequency

Synchronization

TFT (Thin Film Transistor)

LCD(Liquid Crystal Display) Screen

0.2745mm x 0.2745mm

1920 x 1080 @ 60Hz

1920 x 1080 @ 60Hz

30 kHz to 83 kHz

56 Hz to 75 Hz

Separate Sync.

On Mode : 13.95 W Typ. (ENERGY STAR® standard ) *

Sleep Mode ≤ 0.5 W **

Off Mode ≤ 0.3 W

AC 100-240V ~ 50/60Hz 1.2 A

Operating Temperature

Operating Humidity

Storage Temperature

Storage Humidity

Monitor Size (Width x Height x Depth)

With Stand

Without Stand

5.7 kg

0 °C to 40 °C

Less than 80%

-20 °C to 60 °C

Less than 85 %

553.8 mm x 512.9 mm x 240 mm

553.8 mm x 333.1 mm x 58.4 mm

Product specifications shown above may be changed without prior notice due to upgrade of product functions.

* The power consumption level can be different by operating condition and monitor setting.

* The On mode power consumption is measured with ENERGY STAR® test standard.

** The monitor goes to the Sleep Mode in a couple of minutes(Max 5 minutes).

PRODUCT SPECIFICATION

27BN550Y

LCD Screen Type

Resolution

Video Signal

Power Consumption

Power Input

Environmental conditions

Dimension

Weight (Without Packaging)

Pixel Pitch

Maximum Resolution

Recommended Resolution

Horizontal Frequency

Vertical Frequency

Synchronization

On Mode : 16 W Typ. (ENERGY STAR® standard ) *

Sleep Mode ≤ 0.5 W **

Off Mode ≤ 0.3 W

AC 100-240V ~ 50/60Hz 1.5 A

Operating Temperature

Operating Humidity

Storage Temperature

Storage Humidity

Monitor Size (Width x Height x Depth)

With Stand

Without Stand

7.2 kg

Product specifications shown above may be changed without prior notice due to upgrade of product functions.

* The power consumption level can be different by operating condition and monitor setting.

* The On mode power consumption is measured with ENERGY STAR® test standard.

** The monitor goes to the Sleep Mode in a couple of minutes(Max 5 minutes).

TFT (Thin Film Transistor)

LCD(Liquid Crystal Display) Screen

0.3114mm x 0.3114mm

1920 x 1080 @ 60Hz

1920 x 1080 @ 60Hz

30 kHz to 83 kHz

56 Hz to 75 Hz

Separate Sync.

0 °C to 40 °C

Less than 80%

-20 °C to 60 °C

Less than 85 %

622.2 mm x 531.6 mm x 240 mm

622.2 mm x 371.5 mm x 58.4 mm

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Factory Support Mode (Preset Mode, PC)

DVI/HDMI/DP

Preset Mode

720 x 400

640 x 480

640 x 480

800 x 600

800 x 600

1024 x 768

1024 x 768

1152 x 864

1280 x 1024

1280 x 1024

1680 x 1050

1920 x 1080

Horizontal Frequency (kHz)

46.875

48.363

60.023

67.500

63.981

79.976

65.290

67.50

31.468

31.469

37.5

37.879

Vertical Frequency (Hz)

75.0

60.0

75.029

75.000

60.02

75.025

59.954

60

70.08

59.94

75

60.317

Polarity (H/V)

+/+

-/-

+/+

+/+

+/+

+/+

-/+

+/+

-/+

-/-

-/-

+/+

Remarks

HDMI Timing (Video)

Factory support mode

(Preset Mode)

480P

576P

720P

720P

1080P

1080P

Horizontal Frequency(kHz)

31.50

31.25

37.50

45.00

56.25

67.50

Power LED

Mode

On Mode

Sleep Mode

Off Mode

Vertical Frequency(Hz)

60

50

50

60

50

60

LED Color

White (For a few seconds)

Off

Off

HDMI

O

O

O

O

O

O

Recommend Mode

23

The model and serial number of the product are located on the back and on one side of the product.

Record them below in case you ever need service.

Model

Serial No.

This Product qualifies for ENERGY STAR®

Changing the factory default configuration and settings or enabling certain optional features and functionalities may increase energy consumption beyond the limits required for ENERGY STAR® certification.

Refer to ENERGYSTAR.gov for more information on the ENERGY STAR® program.