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What are the essential safety precautions for my LENOVO L27M-28 monitor?
To avoid shock hazard with your LENOVO L27M-28 monitor, please follow these safety guidelines:
• Do not remove the covers.
• Do not operate this product unless the stand is attached.
• Do not connect or disconnect this product during an electrical storm.
• The power cord plug must be connected to a properly wired and grounded power outlet.
• Any equipment to which this product will be attached must also be connected to properly wired and grounded power outlets.
• To isolate the monitor from the electrical supply, you must remove the plug from the power outlet. The power outlet should be easily accessible.
For handling, if your monitor weighs more than 18 kg (39.68 lb), it is recommended that it be moved or lifted by two people.
What items are included in the shipping contents for the LENOVO L27M-28?
The product package for the LENOVO L27M-28 should include the following items:
• Information Flyer
• Lenovo Limited Warranty Booklet
• Flat Panel Monitor
• Power Cord
• Analog Cable (for VGA use)
• USB C-C Cable
• Base
• Stand
How do I set up the stand for my LENOVO L27M-28 monitor?
To set up your LENOVO L27M-28 monitor, please follow these steps. Note: Do not touch the monitor within the screen area. The screen area is glass and can be damaged by rough handling or excessive pressure.
1. Place your monitor with the screen face down on a soft flat surface.
2. Align the stand assembly bracket to the monitor.
3. Insert the base towards the monitor until it locks in place.
What is the tilt range for the LENOVO L27M-28 monitor?
The LENOVO L27M-28 monitor has a tilt range of -5 degrees (forward) to 22 degrees (backward).
How do I connect and turn on my LENOVO L27M-28 monitor?
1. Power off your computer and all attached devices, then unplug the computer power cord.
2. Connect the cables according to the icons on the back of the monitor. Available ports include HDMI, VGA, and USB Type-C.
3. For a computer with an Analog (VGA) cable, connect the VGA cable.
4. For a computer with HDMI, connect the HDMI cable.
5. To get audio from HDMI or USB Type-C sources, connect a speaker’s audio cable to the audio jack of the monitor.
6. For a computer with USB Type-C, connect the USB-C cable.
7. Connect one end of a USB cable to the USB downstream terminal of the monitor, and connect the other end to a USB port on your device. Note: The USB downstream port does not provide power while the monitor is off.
8. Insert the power cord into the monitor, then plug the monitor power cord and the computer cord into grounded electrical outlets.
9. Organize the cables using the cable clip on the monitor stand.
10. Power on the monitor and the computer.
11. After turning on your computer, you should install the monitor driver.
What are some tips for positioning my LENOVO L27M-28 for comfortable viewing?
Position and adjust your LENOVO L27M-28 for comfortable viewing by considering the following:
• Recommended viewing distance: The distance between your eye and the monitor screen should be 1.5 times the diagonal of the screen.
• Monitor height: Position the monitor so your head and neck are in a comfortable and neutral (upright) position. A general guideline is to position the monitor such that the top of the screen is at or slightly below your eye-height when you are comfortably seated. If your monitor does not have height adjustments, you might place books or other sturdy objects under the base to achieve the desired height.
• Tilt: Adjust the tilt of your monitor to optimize the appearance of the screen content and to accommodate your preferred head and neck posture.
• General location: Position your monitor to avoid glare or reflections on the screen from overhead lighting or nearby windows.
What are the direct access controls on the LENOVO L27M-28 and what do they do?
The direct access controls are keypad buttons on the panel frame that can be used when the On-Screen Display (OSD) is not active.
| Icon | Control | Description |
|---|---|---|
| Input Source | Input Source | Switches the video input source. When in the OSD menu, it shifts back to the previous level. Press and hold for 10 seconds to enable or disable the DDC-CI function. |
| Exit | Exit | Exit and return to the previous level. |
| Auto Adjustment | Auto Adjustment | Optimizes the image (size, position, phase, and clock). This is for Analog (VGA) source only. |
| Decrease/Down (Left Arrow) | Decrease/Down | Acts as a left browsing key. Decreases the value on an adjustment bar or moves to the previous item. |
| Brightness / Enable Low Blue Light | Brightness / Enable Low Blue Light | Provides direct access to the Brightness adjustment. Press and hold for 3 seconds to enable Low Blue Light. |
| Disable Low Blue Light | Disable Low Blue Light | Press and hold for 3 seconds to disable Low Blue Light. |
| Increase/Up (Right Arrow) | Increase/Up | Acts as a right browsing key. Increases the value on an adjustment bar or moves to the next item. |
| Menu | Menu | Accesses the OSD menu. Press to confirm a selection. Press and hold for 10 seconds to lock or unlock the menu. |
| Enter | Enter | Press to enter the next level on the main/sub menu or to enter the previous level on an adjustment bar. |
How do I use the On-Screen Display (OSD) controls on my LENOVO L27M-28?
To adjust the settings of your LENOVO L27M-28 using the OSD:
1. Press the Menu button to open the main OSD menu.
2. Use the left or right arrow buttons to move among the icons. Select an icon and press Enter to access that function. If there is a sub-menu, you can move between options using the arrow buttons, then press Enter to select that function. Use the arrow buttons to make adjustments then press the Exit button to save.
3. Press the Exit button to move backwards through the sub-menus and exit from the OSD.
4. Press and hold the Menu button for 10 seconds to lock the OSD. This will prevent accidental adjustments. Press and hold the Menu button again for 10 seconds to unlock the OSD.
5. DDC/CI is enabled by default. To disable or enable it, use the OSD Exit key. Press and hold it for 10 seconds. A message “DDC/CI disable” will appear on the screen.
What are the OSD functions available on the LENOVO L27M-28?
The LENOVO L27M-28 offers the following functions within its On-Screen Display (OSD) menu:
| OSD Icon on Main Menu | Submenu | Description | Applicable Inputs |
|---|---|---|---|
| Brightness/Contrast | Brightness | Adjusts overall screen brightness. | All input ports |
| Contrast | Adjusts the difference between light and dark areas. | ||
| DCR | Enables or disables dynamic contrast ratio (ON/OFF). | ||
| Image Position (VGA only) | Horizontal Position | Moves the image left or right. | Only for VGA input (Analog) |
| Vertical Position | Moves the image up or down. | ||
| Automatic | Optimizes image (size, position, phase, and clock). | ||
| Image Setup (VGA only) | Manual | Manually optimizes the image, including Clock, Phase, and Save options. | Only for VGA input (Analog) |
| Image Properties | Color | Adjusts the intensity of red, green, and blue. Includes preset modes (Neutral, sRGB, Reddish, Bluish) and a Custom mode. | All input ports |
| Input video signal | Selects the video source: VGA (Analog), HDMI (Digital), or Type-C (Digital). | ||
| Scaling | Selects the type of scaled image: Original AR (same aspect ratio as input) or Full Screen (expand image to full screen). | ||
| Over Drive | Responds time enhancement with options for OFF, Normal, and Extreme. Note: Extreme Mode may result in reduced display quality with fast-moving video. | ||
| NOVO VISION | Screen prioritization modes: Text Mode, Web pic Mode, Video Mode, and Low blue light. | ||
| Options | Information | Shows resolution, refresh rate, and product details. This screen is for viewing only. | All input ports |
| Language | Changes the language of the OSD menu. | ||
| Position | Adjusts the OSD menu location (Default or Custom horizontal/vertical position). | ||
| Reset | Resets the monitor to its original settings. | ||
| Accessibility | Changes button repeat rate (Off, Default, Slow) and menu time-out settings. | ||
| Options | Always on USB | Keeps USB ports powered when the monitor is in standby (On/Off). | All input ports |
| Exit | Exit | Exits from the OSD menu. | All input ports |
What are the factory-set supported display modes for the LENOVO L27M-28?
The following display modes for the LENOVO L27M-28 have been optimized at the factory:
| Timing | Refresh rate(Hz) |
|---|---|
| PAL VGA | 50 Hz |
| 640×480 | 60 Hz |
| 640×480 | 72 Hz |
| 640×480 | 75 Hz |
| 720×400 | 70 Hz |
| 800×600 | 60 Hz |
| 800×600 | 72 Hz |
| 800×600 | 75 Hz |
| 1024×768 | 60 Hz |
| 1024×768 | 70 Hz |
| 1024×768 | 75 Hz |
| 1152×864 | 75 Hz |
| 1280×1024 | 60 Hz |
| 1280×1024 | 70 Hz |
| 1280×1024 | 75 Hz |
| 1366×768 | 60 Hz |
| 1440×900 | 60 Hz |
| 1440×900 | 60 Hz-R |
| 1600×900 | 60 Hz |
| 1680×1050 | 60 Hz |
| 1680×1050 | 60 Hz-R |
| 1920×1080 | 60 Hz-R |
| 1920×1080 | 75 Hz |
How does power management work on the LENOVO L27M-28 monitor?
The power management feature on your LENOVO L27M-28 is activated when the computer recognizes that you have not used your mouse or keyboard for a user-definable period. The different states are described below:
| State | Power Indicator | Screen | Restoring Operation | Compliance |
|---|---|---|---|---|
| On | White | Normal | N/A | N/A |
| Standby/Suspend | Amber | Blank | Press a key or move the mouse. There may be a slight delay before the image reappears. Standby also occurs if there is no image output to the monitor. | ENERGY STAR |
| Off | Off | Blank | Press the power button. There may be a slight delay before the image reappears. | ENERGY STAR |
How should I care for and clean my LENOVO L27M-28 monitor?
Be sure to turn off the power before performing any maintenance on the monitor.
Do not:
• Apply water or liquid directly to your monitor.
• Use solvents or abrasives.
• Use flammable cleaning materials to clean your monitor or any other electrical equipment.
• Touch the screen area of your monitor with sharp or abrasive items. This may cause permanent damage to your screen.
• Use any cleaner which contains an anti-static solution or similar additives, as this may harm the coating of the screen area.
Do:
• Lightly dampen a soft cloth with water and use this to gently wipe the covers and the screen.
• Remove grease or finger marks with a damp cloth and a little mild detergent.
How do I detach the monitor base and stand from my LENOVO L27M-28?
1. Place the monitor on a soft and flat surface.
2. Remove the screws from the base before detaching the base and stand from the monitor.
How can I wall mount my LENOVO L27M-28 monitor?
To convert your LENOVO L27M-28 from a desk-mounted to a wall-mounted display, follow these steps:
1. Verify that the Power button is turned Off, then disconnect the power cord.
2. Lay the LCD display face down on a towel or blanket.
3. Remove the base and stand from the monitor.
4. Attach the mounting bracket from a VESA compatible wall mounting kit. The LENOVO L27M-28 uses a 100mm x 100mm VESA pattern, and the required VESA mounting screw type is M4 x 10 mm.
5. Attach the LCD display to the wall, and follow the instructions provided in the wall-mounting kit. The wall mount bracket must be UL Listed and support a minimum weight/load of 8kg.
What should I do if the words “Out of Range” are shown on my LENOVO L27M-28 screen?
This message appears when the system is set to a display mode that is not supported by the monitor. If you are replacing an old monitor, reconnect it and adjust the display mode to within the specified range for your new LENOVO L27M-28. If using a Windows system, you can restart the system in safe mode, then select a supported display mode for your computer.
What can I do if the image quality on my LENOVO L27M-28 is unacceptable?
If the image quality is poor, try the following:
• Ensure the video signal cable is firmly plugged into both the system and the monitor.
• If the color settings are incorrect, select another color setting from the OSD menu.
• If the automatic image setup function was not performed (for VGA), perform an automatic image setup from the OSD menu.
Why is the power indicator on my LENOVO L27M-28 not lit, and there is no image?
This could be due to several reasons:
• The monitor’s power switch is not turned on. Make sure to power on the monitor.
• The power cord is loose or disconnected. Be sure the power cord is connected properly.
• There is no power at the outlet. Be sure the outlet has power, or try using another electrical outlet.
What does it mean if the screen on my LENOVO L27M-28 is blank and the power indicator is amber?
This indicates that the monitor is in Standby/Suspend mode. Press any key on the keyboard or move the mouse to restore operation. You can also check the Power Options settings on your computer.
What should I do if one or more pixels on my LENOVO L27M-28 appear discolored?
This is a characteristic of LCD technology and is not considered an LCD defect.
How can I fix fuzzy lines, a blurry image, or horizontal/vertical lines on my LENOVO L27M-28?
This issue is often because the image setup has not been optimized. First, adjust the resolution settings on your system to match the native resolution of the monitor: 1920 x 1080 at 60 Hz. Then, perform an automatic image setup using the OSD menu. If automatic setup does not help, perform a manual image setup (for VGA connections only).
How do I perform a manual image setup on my LENOVO L27M-28 for a VGA connection?
If automatic image setup does not produce the desired result for a VGA (analog) connection, perform a manual setup. Note: Have your monitor powered on for about 15 minutes to warm up before starting.
1. Press the Menu button to open the OSD menu.
2. Use the arrow buttons to select the “Image Setup” icon and press Enter to access.
3. Use the arrow buttons to select “Manual” and press Enter to access.
4. Use the arrow buttons to select “Clock” or “Phase” adjustment.
• Clock (pixel frequency): Adjusts the number of pixels scanned by one horizontal sweep. If the frequency is incorrect, the screen shows vertical stripes and the picture does not have the correct width.
• Phase: Adjusts the phase of the pixel clock signal. With a wrong phase adjustment, the picture has horizontal disturbances in a light picture.
5. When the image no longer looks distorted, press Enter to save the adjustments of Clock and Phase.
6. Press the Exit button to leave the OSD menu.
How do I manually install the monitor driver for the LENOVO L27M-28 in Windows 7?
1. Turn off the computer and all attached devices.
2. Ensure that the monitor is connected correctly.
3. Turn on the monitor and then the system unit. Allow your computer to start the Windows 7 operating system.
4. Download the corresponding monitor driver for the L27m-28.
5. Open Display Properties by clicking Start, Control Panel, Hardware and Sound, and then click the Display icon.
6. Click the Change the display settings tab.
7. Click the Advanced Settings icon.
8. Click the Monitor tab.
9. Click the Properties button.
10. Click the Driver tab.
11. Click Update Driver, then click Browse my computer for driver software.
12. Select Let me pick from a list of device drivers on my computer.
13. Click the Have Disk button. By clicking the Browse button, browse and point to the following path: X:\Monitor Drivers\Windows 7 (where X is the folder where the downloaded driver is located).
14. Select the “lenl27m-28.inf” file and click the Open button. Click the OK button.
15. In the new window, select LEN L27m-28 and click Next.
16. After the installation is complete, delete all downloaded files and close all windows.
17. Restart the system. The system will automatically select the maximum refresh rate and corresponding Color Matching Profiles.
How do I manually install the monitor driver for the LENOVO L27M-28 in Windows 10?
1. Turn off the computer and all attached devices.
2. Ensure that the monitor is connected correctly.
3. Turn on the monitor and then the system unit. Allow your computer to start the Windows 10 operating system.
4. Download the corresponding monitor driver for the L27m-28.
5. On the Desktop, move the mouse to the bottom-left corner of the screen, right-click and choose Control Panel, then double-click the icon of Hardware and Sound, and then click Display.
6. Click the Change the display settings tab.
7. Click the Advanced Settings icon.
8. Click the Monitor tab.
9. Click the Properties button.
10. Click the Driver tab.
11. Click Update Driver, then click Browse my computer for driver software.
12. Select Let me pick from a list of device drivers on my computer.
13. Click the Have Disk button. By clicking the Browse button, browse and point to the following path: X:\Monitor Drivers\Windows 10 (where X is the folder where the downloaded driver is located).
14. Select the “lenl27m-28.inf” file and click the Open button. Click the OK button.
15. In the new window, select LEN L27m-28 and click Next.
16. After the installation is complete, delete all downloaded files and close all windows.
17. Restart the system. The system will automatically select the maximum refresh rate and corresponding Color Matching Profiles.
How to use the PDF below:
* Touchscreen: Swipe up/down with-in the PDF to scroll and pinch or spread with two fingers to zoom.
* Mouse: While your mouse is hovering over the PDF, use the mouse wheel to scroll and click on the – / + buttons at the bottom of the PDF to zoom.
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