Lenovo L28u-35 User Manual
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Lenovo
L28u-35
User Guide

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Table of Contents
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Summary of Contents for Lenovo L28u-35

  • Page 1 Lenovo L28u-35 User Guide...
  • Page 2 Version 1 (November 2021) All rights reserved Lenovo 2021 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.
  • Page 3: Table Of Contents

    Contents Safety Matters…………………………………………………………………………….……...ⅲ General Safety Principles…………………………………….………………………….…….…ⅲ TCO Certified……………………………………………………………………………………..v Chapter 1. Getting Started …………………………………………………………….…..…1-1 Items List…………………………………………………………………………..…….….….1-1 Precautions For Use………………………………………………………………………….…1-2 Product Overview…………………………………………………………………..……….….1-3 Adjustment Types………………………………………………………………..……….….1-3 Tilt…………………………………………………………………..………………….…….1-3 Height Adjustment…………………………………………………………………..……….1-3 Rotation…………………………………………………………………...………………….1-4 Rotate……………………………………………………………………………..………….1-4 Display Control…………………………………………………………….……..………….1-5 Cable Lock Slot…………………………………………………………….……..………….1-5 Set Up the Display …………………………………………………………………..…………. Connecting and Powering on the Display……………………………………..…..………….1-6 Chapter 2.
  • Page 4: Safety Matters

    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.
  • Page 7: Items List

    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(Screw *4)...
  • Page 8: Precautions For Use

    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.
  • Page 9: Product Overview

    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. Height Adjustment Chapter 1 1-3...
  • Page 10: Rotation

    Rotate Before the display is displayed in a vertical orientation, it should be fully raised and fully tilted to avoid collisions. Vertical Rotation 90° Rotation With the built-in base, you can tilt and rotate the monitor for the best viewing angle.
  • Page 11: Display Control

    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. Cable Lock Slot The back of the display with a small and large cable lock slot. Chapter 1 1-5...
  • Page 12: Set Up The Display

    2. Connect the cables as shown in the figure below. 3. For computers with HDMI connections. Note: Lenovo recommends that users who need to use the HDMI input on their display purchase the "Lenovo HDMI to HDMI Cable OB47070" www.lenovo.com/support/monitoraccessories...
  • Page 13 4. For computers with DP connections. 5. Connect the audio cable of the speaker and the audio jack of the monitor to transmit the audio source from HDMI or DP. Note: HDMI or DP mode audio output. Chapter 1 1-7...
  • Page 14 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.
  • Page 15 8. Turn on the power to the display and computer. 9. When you install the monitor driver, you should download it from the Lenovo website http://support.lenovo.com/docs/L28u-35 Download the driver that corresponds to your display model. Please refer to the "Manually Install the Driver for the Display" section on pages 3-5.
  • Page 16: Chapter 2. Adjusting And Using The Display

    For information on these topics, please visit the Healthy Computing Web: http://www.lenovo.com/healthycomputing/ Arrange Your Working Area Use a work surface of the right height and enough work area so that you can work comfortably.
  • Page 17: Tips On Healthy Work Habits

    Here are some additional tips for comfortable viewing of your display: • Use adequate lighting for the type of work you do. • Use display brightness, contrast, and image controls (if available) to optimize the image on the screen for your visual needs. •...
  • Page 18: Adjusting The Display Image

    Exit Menu Attention: The L28u-35 uses natural low blue light technology to protect your eyes by not only maintaining picture quality but also reducing harmful blue light at 6500K color temperature. If you cannot confirm whether the monitor is already in low blue light mode, you can perform the Restore Factory Settings operation in the OSD Item Menu Settings →...
  • Page 19 Use the On-Screen Display (OSD) Control When adjusting the settings, you can view the user controls through the OSD. Use controls: 1. Press to open the OSD Main Menu. 2. Use to move between icons. Select an icon and press to access the feature.
  • Page 20 Table 2-1. OSD Functions Main Menu Submenu Description Controls and Adjustment Basic settings Brightness Adjustment Adjust the overall brightness of the screen Contrast Adjustment Adjusts the degree of difference between bright and dark areas Dynamic Contrast On/Off Display Mode Standard Games Web Browsing Movies...
  • Page 21: Select Supported Display Modes

    Select Supported Display Modes The display mode used by the display is controlled by the computer. Therefore, you should refer to the computer's documentation for detailed information on how to change the display mode. When the display mode is changed, the image size, position, and shape may change. This is normal and the image can be readjusted using the automatic image settings and image controls.
  • Page 22: Understanding Power Management

    Understanding Power Management The power management function is activated when the computer detects that the mouse or keyboard has not been used for a user-defined time interval. There are several states as described in the table below. For best performance, it is best to turn off the display at the end of the day, or when it is not in use for a longer period during the day.
  • Page 23: Maintaining The Display

    Maintaining the Display Always turn off the power to the display before performing any maintenance work on the display. Do not: • Let water or liquids spill onto the display. • Use solvents or abrasive substances. • Use flammable cleaning materials to clean the display or any other electronic device. •...
  • Page 24 Step 3: Remove the display base and support arm from the display, see "Removing the Display Base and Support Arm" on pages 2-9. Step 4: Install the assembly bracket for the VESA compatible wall mount. (100mm x 100mm distance), VESA assembly screws M4 x 10 mm. VESA hole Step 5: Mount the LCD to the wall following the instructions for the wall mount.
  • Page 25: Chapter 3. Reference Information

    Chapter 3. Reference Information This section provides display specifications, instructions for manual installation of the display driver, troubleshooting information, and service information. Display Specifications 22280UL0 Table 3-1. Display Specifications - Model H Size Thickness 215mm (8.46 in.) Height 569.28mm (22.41 in.) Width 636.94mm (25.08 in.) Support Arm...
  • Page 26 Table 3-1. Display Specifications - Model L28u-35 HDMI Interface HDMI VESA TMDS (Panel Link™)/HDMI Input Signals Horizontal Addressing Capability 3840 pixels (max) Vertical Addressing Capability 2160 pixels (max) Clock frequency 596 MHz Video input (DP) Interface VESA TMDS (Panel Link™)/HDMI...
  • Page 27: Troubleshooting

    Troubleshooting If you encounter problems setting up or using your display, you may be able to solve the problem. Before contacting your dealer or Lenovo, please try the following suggested actions depending on the problem you are experiencing. Table 3-2. Troubleshooting...
  • Page 28 Table 3-2. Troubleshooting Problem Possible Causes Recommended Operations Refer to •Image settings are not Adjust the system's resolution "Adjusting the optimized setting to the resolution of this Display Image" on •Blurred lines or images in •The system's display display: 3840x2160 @60 Hz. pages 2-3 text property settings are not...
  • Page 29: Manually Install The Driver For The Display

    3. Power on the display, and then power on the system unit. Let the computer start the Windows 7 operating system. 4. Find the corresponding display driver from the Lenovo website http://support.lenovo.com/docs/L28u_35 and download it to the PC to which the display is connected (e.g.
  • Page 30: Installing The Display Driver In Windows 10

    3840x2160 @ 60Hz refresh rate or 640 x 480 @ 60Hz refresh rate. Get further help If you are still unable to resolve the issue, please contact Lenovo Support. For more information on contacting the Support Center, see "Appendix A. Service and Support" on page A-1.
  • Page 31: Appendix A. Services And Support

    Appendix A. Services and Support The following information describes the technical support available to you during the warranty period or lifetime of the product. For a complete explanation of Lenovo's warranty terms, see the Lenovo Limited Warranty. Register Your Option Please register to receive product service and support updates as well as free and discounted computer accessories and content.
  • Page 32: Appendix B. Declaration

    Any references to non-Lenovo websites in this publication are for convenience purposes only and do not in any way constitute an endorsement of those websites. The information on these sites is not part of this Lenovo product literature and the use of these sites is at your own risk.
  • Page 33: Recycling Information

    Lenovo products, please visit: http://www.lenovo.com/recycling Collect and Recycle Used Lenovo Computers or Displays If you are a company employee and need to dispose of a Lenovo computer or display that is a company asset, it must be disposed of following the requirements of the Resource Efficient Use Promotion Act.
  • Page 34 Power Cord Only the power cord by the product manufacturer should be used. Do not use AC power cords from other devices. Appendix B. B-3...

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