Lenovo L25e-40 User manual

Lenovo
L25e-40
User Guide

Product No.
H22245FL0
67AD-KAC4-WW
Version 1 (August 2022)
All rights reserved Lenovo 2022
LENOVO products, data, computer software, and services are developed on earmarked funds and are sold to
government agencies as commodities as defined in 48 C.F.R. 2.101, with limited restricted rights of use,
duplication, and disclosure granted to the government agencies.
Restricted limited rights statement: If products, data, computer software, or services are delivered under a
General Services Manager "GSA" contract, their use, duplication, or disclosure is subject to the restrictions
outlined in Contract No. GS-35F-05925.

Contents
Safety Matters…………………………………………………………………………….……………….…iv
General Safety Principles…………………………………….……………………….………………..…iv
Chapter 1. New Member Guide………………………………………………………………………….…1-1
Items List………………………………………………………………………………………….……1-1
Precautions For Use……………………………………………………………………………………1-2
Product Overview……………………………………………………………………………...………1-2
Set Up the Display……………………………………………………………………………...……...1-4
Chapter 2. Adjusting and Using the Display……………………………………………………………...…2-1
Comfort and Assistance Functions………………………………………………….………………....2-1
Arrange Your Working Area………………………………………………….…………………….....2-1
Placing and Viewing the Display…………………………………………………………………...…2-1
Tips on Healthy Work Habits…………………………………………………….……………………2-2
Adjusting the Display Image…………………………………………………..…….………….…..….2-3
Select Supported Display Modes……………………………………………….…………….…..……2-7
Understanding Power Management……………………………………………….……….……..……2-8
Maintaining the Display……………………………………………………………….….……………2-9
Remove the Display Base and Support Arm…………………………….……………...………..……2-9
Wall-mounted (optional)……………………………………………………………………..…………2-9
Chapter 3. Reference Information……………………………………………………...……………...……3-1
Display Specifications……………………………………..…………….………………………………3-1
Troubleshooting…………………………………………………………………………………...…….3-3
Manually Install the Driver for the Display…………………………………………………………..…3-5
Appendix A. Services and Support………………………………..…………….…………………………A-1
Register Your Option…………………………………………………………………………………….A-1
Online Technical Support………………………………………………………………………………..A-1
Telephone Technical Support………………………………………………………….……………...…A-1
Appendix B. Declaration……………………………………………………………….………………..…B-1
Trademark……………………………………………………………………..………………...………B-2
Power Cord…………………………………………………………………..………………..…………B-2

Safety Matters
General Safety Principles
For tips on safe computer use, please go to:
http://www.lenovo.com/safety
Before installing this product, please read the safety matters.
Danger
To avoid collision dangers:
• Do not remove the cover.
• Do not use the product without the base installed.
• Do not connect or disconnect the product during thunderstorm conditions.
• The power cord plug must be connected to a properly wired and grounded electrical
outlet.
• Any equipment connected to this product must also be connected to a properly
wired and grounded electrical outlet.
• When disconnecting the display, the plug must be unplugged from the power outlet.
The power outlet should be easy to plug and unplug the power cord. To take special
precautions against dangers when using, installing, servicing, transporting, or storing
the equipment, prepare the necessary instructional notes.
To reduce the risk of electric shock, do not perform any maintenance not described in
the operating instructions unless you are qualified to do so.
Handling:
• If the display weighs more than 18 kg (39.68 lbs.), it is recommended that two
people move or lift the display.
iv

Chapter 1. New Member Guide
This user guide provides users with detailed operating instructions. For a quick overview of the instructions,
please refer to the Setup coloring page for brief information.
Items List
The following items should be included in the package of this product:
■Quick Start Guide
■Display
■Stand (1PCS of screws)
■Base
■Power Cord
■Signal Line (Subject to actual conditions)
Chapter 1. New Member Guide 1-1

Precautions For Use
To set up your display, please refer to the following illustration.
Note: Do not touch the screen area of the display. The screen area is a glass product and can be easily
damaged by friction or pressure.
1. Place the display screen down on a soft flat surface.
2. Align the stand with the base, and then tighten the screws clockwise.
3. Insert the installed stand base into the corresponding position on the back of the monitor, and then
tighten the screws clockwise.
Note: To install the VESA mount, see "Wall-mounted (optional)" on pages 2-9.
Product Overview
This section describes how to adjust the display position, set the user controls, and use the cable lock slot.
Adjustment Types
Tilt
See the figure below for an example of the tilt range.
Chapter 1. New Member Guide 1-2

Display Control
Different functions can be used through the key controls on the panel frame.
For information on how to use these key controls, see "Adjusting the Display Image" on pages 2-3.
Kensington anti-theft lock
Your display is equipped with a Kensington anti-theft lock, which is located on the back of the display.
Chapter 1. New Member Guide 1-3

Set Up the Display
This section describes how to set up the display.
Connecting and Powering on the Display
Note: Before performing this procedure, be sure to read the "Safety Matters" on page iv.
1. Turn off the power to the computer and all connected devices, and then unplug the computer's power
cord.
2. Connect the cables as shown in the figure below.
3. For computers with VGA connections.
Chapter 1. New Member Guide 1-4

4. For computers with HDMI connections.
5. Connect the audio cable of the speaker and the audio jack of the monitor to transmit the audio source from
HDMI.
Note: HDMI mode audio output.
Chapter 1. New Member Guide 1-5

6. Plug the power cord into the display, and then plug the display power cord and computer cord into a
grounded power outlet.
Note: A certified power cord must be used for this equipment. The installation and/o r equipment regulations
of the country concerned should be taken into account. The certified power cable used should not be lighter
than the normal PVC cable (marked H05VV-F 3G 0.75mm2 or H05VVH2-F2 3G 0.75mm2) as specified in
IEC 60227. In addition, synthetic rubber cords as specified in IEC 60245 (marked H05RR-F 3G 0.75mm2)
should be used.
7. Use cable clamps when connecting cables
Chapter 1. New Member Guide 1-6