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Lenovo L27i-40 - User Manual

Lenovo L27i-40
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Lenovo
L27i-40
User Guide

Questions and Answers

  • L
    luissellersJul 28, 2025
    What to do if my Lenovo Monitor power indicator shows amber but no image?
    • J
      Juan TerrellJul 28, 2025
      Ensure the video cable is securely connected to both the system and the Lenovo monitor. Also, the issue might arise if the brightness and contrast settings are too low. Adjust these settings via the On-Screen Display (OSD) menu.
  • S
    Scott DavisAug 1, 2025
    What to do if Lenovo L27i-40 Monitor screen is blank and the power indicator is amber?
    • H
      Hannah FreemanAug 1, 2025
      If your Lenovo monitor screen is blank but the power indicator shows amber, try pressing any key on the keyboard or moving the mouse to resume operation. Also, check the power options settings on your computer.
  • J
    Jeffrey BryantAug 6, 2025
    How to fix poor image quality on Lenovo Monitor?
    • M
      Meghan ParkerAug 6, 2025
      Poor image quality on your Lenovo monitor can often be resolved by ensuring the video signal cable is securely connected to both the display and the system. You can also try selecting a different color setting in the OSD menu or performing an automatic image setup.
  • H
    hmorrisonAug 9, 2025
    Why Lenovo L27i-40 Monitor power indicator does not light up?
    • R
      Robert BowenAug 9, 2025
      If your Lenovo monitor's power indicator doesn't light up and no images are displayed, ensure the power cord is well connected and that the outlet has power. Also, make sure the display's power switch is turned on. If the problem persists, try changing the power cord or using a different power outlet.
  • A
    Audrey RobertsonAug 14, 2025
    How to resolve blurred lines on Lenovo Monitor?
    • J
      Jennifer LeeAug 14, 2025
      Blurred lines or images, or horizontal/vertical lines on your Lenovo monitor can often be fixed by adjusting your system's resolution to 1920x1080 @100 Hz. You can also perform the automatic image setting, and if that doesn't work, try the manual image setting. Additionally, adjusting the Dots Per Inch (DPI) setting on your system can further improve the image quality.
  • L
    Latoya NovakAug 18, 2025
    How to fix Lenovo L27i-40 when it says "Out of Range"?
    • G
      gjacksonAug 18, 2025
      If you see an "Out of Range" message on your Lenovo monitor and the power indicator flashes white, it means the display mode set by your system is not supported by the monitor. Try reconnecting an old display and adjusting the display mode. If you're using Windows, restart in safe mode and select a supported display mode. If these steps don't work, no answer.
  • T
    timothyhaysAug 23, 2025
    Why do pixels change color on my Lenovo L27i-40?
    • L
      Lisa DawsonAug 23, 2025
      The appearance of one or more pixels changing color is a normal characteristic of LCD technology and not a defect. However, if more than five pixels are missing, no answer.

Summary

Safety Matters

General Safety Principles

General safety principles and precautions for safe computer use.

Danger Warnings

Important safety warnings to avoid collision and electrical hazards.

Handling Guidelines

Guidelines for safely moving and lifting the display.

Chapter 1. New Member Guide

Items List

Lists all items included in the product package.

Precautions For Use

Instructions for setting up the display and handling precautions.

Product Overview

Overview of display position, user controls, and cable lock slot.

Display Control

Details on panel frame controls for adjusting display functions.

Kensington Anti-Theft Lock

Information on the display's Kensington anti-theft lock.

Set Up the Display

Step-by-step guide for connecting and powering on the display.

Chapter 2. Adjusting and Using the Display

Comfort and Assistance Functions

Importance of ergonomic design for comfortable computer use.

Arrange Your Working Area

Tips for setting up your workspace for comfort and efficiency.

Placing and Viewing the Display

Factors for comfortable viewing: distance, height, tilt, and location.

Tips on Healthy Work Habits

Advice on posture, breaks, and eye strain for healthy computing.

Adjusting the Display Image

How to use direct access controls to adjust display image settings.

Using the On-Screen Display (OSD) Control

Guide to using the On-Screen Display (OSD) for adjusting display settings.

Select Supported Display Modes

Details on supported display modes, resolutions, and refresh rates.

Understanding Power Management

Explanation of power management functions, status indicators, and modes.

Maintaining the Display

Instructions for cleaning and maintaining the display.

Wall-mounted (optional)

Instructions for mounting the display on a wall using a VESA mount.

Chapter 3. Reference Information

Display Specifications

Detailed specifications for the L27i-40 model, including size, power, and inputs.

Troubleshooting

Common problems, possible causes, recommended operations, and referential pages.

Manually Install the Driver for the Display

Steps to manually install the display driver in Windows 10 and 11.

Appendix A. Services and Support

Register Your Option

Instructions for registering your product for service and support updates.

Online Technical Support

Information on accessing lifetime online technical support and warranty services.

Telephone Technical Support

Details on contacting Lenovo's Customer Support Center for installation and technical assistance.

Appendix B. Declaration

Recycling Information

Information on recycling Lenovo products and components.

Trademark

List of Lenovo and Microsoft trademarks used in the document.

Power Cord

Important safety note regarding the use of the correct power cord.

Lenovo L27i-40 Specifications

General IconGeneral
Color depth8 bit
Pixel pitch0.311 x 0.311 mm
Screen shapeFlat
Pixel density82 ppi
Response time6 ms
Backlight typeW-LED
Display diagonal27 \
Anti-glare screenYes
Display technologyLED
Native aspect ratio16:9
Response time (fast)4 ms
Viewable size, vertical336.3 mm
sRGB coverage (typical)99 %
Contrast ratio (dynamic)3000000:1
Contrast ratio (typical)1300:1
Display number of colors16.7 million colors
Viewable size, horizontal597.9 mm
Display brightness (typical)300 cd/m²
NVIDIA G-SYNC-
RMS rated power6 W
Number of speakers2
Color nameCloud grey
CertificationEU Energy Label (E-class) Volatile Organic Compound Certification RoHS compliant Eyesafe® Certified 2.0 TÜV Rheinland® Eye Comfort Certification TÜV Rheinland Low Blue Light (Hardware Solution)
Product colorGray
HDMI version1.4
Tilt angle range-5 - 22 °
Cable lock slot typeKensington
Panel mounting interface100 x 100 mm
AC input voltage100 - 240 V
AC input frequency50/60 Hz
Power consumption (max)36 W
Power consumption (off)0.5 W
Power consumption (standby)0.3 W
Power consumption (typical)19.6 W
Cables includedAC, HDMI
HDMI cable length1.8 m
Package depth125 mm
Package width720 mm
Package height452 mm
Package weight5900 g
Weight and Dimensions IconWeight and Dimensions
Bezel width (side)2.3 mm
Depth (with stand)612.3 mm
Width (with stand)181.8 mm
Height (with stand)474.4 mm
Weight (with stand)4300 g
Bezel width (bottom)21 mm
Width (without stand)43.5 mm
Height (without stand)368 mm
Weight (without stand)3600 g

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