Table of Contents
- Chapter 1. Getting started
- Chapter 2. Explore your monitor
- Chapter 3. Troubleshooting
- Appendix A. Important safety information
- Safety information
- Maintenance
- Arranging your work area
- Positioning your monitor
- Tips for healthy work habits
- Accessibility information
- Register your monitor
- Online technical support
- Telephone technical support
- Recycling information
- Turkish statement of compliance
- Ukraine RoHS
- India RoHS
- Power cords and power adapters
- Trademarks
Lenovo P27u-20 User Manual
Displayed below is the user manual for P27u-20 by Lenovo which is a product in the Computer Monitors category. This manual has pages.
Related Manuals
P27u-20 Flat Panel Monitor
User’s Guide
Machine Type: 62CB
© Copyright Lenovo 2021 i
Product Number
62CB-RAR6-WW
Type/Model
D21270UP0
First Edition (June 2021)
© Copyright Lenovo 2021
All rights reserved.
LENOVO products, data, computer software, and services have been developed exclusively at private expense and are sold to
governmental entities as commercial items as defined by 47 C.F.R. 2.101 with limited and restricted rights to use, reproduction and
disclosure.
LIMITED AND RESTRICTED RIGHTS NOTICE: IF products, data, computer software, or services are delivered pursuant
a General Services Administration "GSA" contract, use, reproduction, or disclosure is subject to restrictions set forth in
Contract No. GS-35F-05925.
ii © Copyright Lenovo 2021
Contents
Chapter 1. Getting started .............................................................................................................. 1-1
In the box ............................................................................................................................................................................ 1-1
Notice for use ............................................................................................................................................................... 1-2
Setting up your monitor ..................................................................................................................................................... 1-3
Connecting and turning on your monitor .................................................................................................................. 1-3
Registering your option .............................................................................................................................................. 1-12
Product overview ............................................................................................................................................................. 1-13
Types of adjustments ................................................................................................................................................. 1-13
User controls ............................................................................................................................................................... 1-14
Cable lock slot ............................................................................................................................................................. 1-14
Features and specs ........................................................................................................................................................... 1-15
Chapter 2. Explore your monitor .................................................................................................... 2-1
Quick access controls ......................................................................................................................................................... 2-1
OSD controls ....................................................................................................................................................................... 2-2
Maximum resolutions ........................................................................................................................................................ 2-6
Image rotation .............................................................................................................................................................. 2-6
Driver (optional) .................................................................................................................................................................. 2-7
Understanding power management .......................................................................................................................... 2-9
Caring for your monitor ............................................................................................................................................... 2-9
Detaching the monitor stand .................................................................................................................................... 2-10
Wall Mounting (Optional) .......................................................................................................................................... 2-10
Chapter 3. Troubleshooting ............................................................................................................ 3-1
Appendix A. Important safety information .................................................................................. A-1
Safety information .............................................................................................................................................................. A-1
General Safety guidelines ............................................................................................................................................ A-1
Maintenance ....................................................................................................................................................................... A-2
Appendix B. Comfort and accessibility .......................................................................................... B-1
Arranging your work area .................................................................................................................................................. B-1
Positioning your monitor ................................................................................................................................................... B-2
Tips for healthy work habits .............................................................................................................................................. B-3
Low Blue Light ............................................................................................................................................................... B-5
Accessibility information .................................................................................................................................................... B-6
Appendix C. Service and support ................................................................................................... C-1
Register your monitor ........................................................................................................................................................ C-1
Online technical support .................................................................................................................................................... C-1
Telephone technical support ............................................................................................................................................. C-1
© Copyright Lenovo 2021 iii
Worldwide telephone list ............................................................................................................................................ C-1
Service information ...................................................................................................................................................... C-5
Appendix D. Compliance information ........................................................................................... D-1
Recycling information ......................................................................................................................................................... D-1
Collecting and recycling a disused Lenovo computer or monitor ............................................................................ D-1
Disposing of Lenovo computer components ............................................................................................................. D-1
Turkish statement of compliance ...................................................................................................................................... D-2
Ukraine RoHS ...................................................................................................................................................................... D-2
India RoHS ........................................................................................................................................................................... D-2
Power cords and power adapters ..................................................................................................................................... D-2
TCO Certified ................................................................................................................................................................. D-3
Appendix E. Notices and trademarks ............................................................................................. E-1
Trademarks .......................................................................................................................................................................... E-2
Chapter 1 Getting started 1-1
Chapter 1. Getting started
This User’s Guide contains detailed information on the ThinkVision® P27u-20 Curved Panel Monitor. For a quick overview,
please see the Setup Poster that was shipped with your monitor.
ThinkVision P27u-20 supports Lenovo Display Control Center - ThinkColour.
In the box
The product package should include the following items:
Information Flyer
Flat Panel Monitor
Monitor Stand
Monitor Base
Power Cord
USB B-A Cable (optional)
Thunderbolt™ 4 Cable
DP 1.2 Cable (optional)
Note: To achieve 4K daisy chain at 60Hz on P27u-20 monitor, a 40G Thunderbolt™ 4 cable is
required.
*: Depending on many factors such as the processing capability of peripheral devices, file
attributes, and other factors related to system configuration and operating environments,
the actual transfer rate using the various USB connectors on this device will vary and is
typically slower than the data rates as defined by the respective USB specifications: - 5
Gbit/s for USB 3.2 Gen 1; 10 Gbit/s for USB 3.2 Gen 2 x 2 Gbit/s for USB 3.2.
1-2 P27u-20 Flat Panel Monitor User’s Guide
Notice for use
To setup your monitor, please see the illustrations below.
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 stand and tighten the thumbscrew.
Note: To attach a VESA mount, please see “Detaching the monitor stand” on page 2-10.
Chapter 1 Getting started 1-3
Setting up your monitor
This section provides information to help you set up your monitor.
Connecting and turning on your monitor
Note: Be sure to read the Safety Information located in the Flyer before carrying out this procedure.
1. Power off your computer and all attached devices, and unplug the computer power cord.
2. Connect the cables according to below icon indication.
Input Connectors (Rear view):
1 x DisplayPort 1.2 (HDCP 2.2)
2 x HDMI 2.0 (HDCP 2.2)
1 x USB 3.0 Type-B (upstream)
1 x Thunderbolt™ 4 (full function downstream port with 27W PD output)
1 x Thunderbolt™ 4 (full function upstream port with max 96W With Smart Power PD output)
1 x RJ-45 (10M/100M/1G)
2 x USB 3.0 Type-A (downstream)
1-4 P27u-20 Flat Panel Monitor User’s Guide
3. Connect one end of the DisplayPort 1.2 cable to the DisplayPort connector on the back of the computer,
and the other end to the DisplayPort connector on the monitor. Lenovo recommends that customers
who require using the DisplayPort input on their monitor purchase the "Lenovo DisplayPort to
DisplayPort cable 0A36537".
For more information, go to the following:
www.lenovo.com/support/monitor accessories
4. Connect one end of the HDMI 2.0 cable to the HDMI connector on the back of the computer, and the
other end to the HDMI connector on the monitor. Lenovo recommends that customers who require to
use the HDMI input on their monitor purchase the “Lenovo HDMI to HDMI cable OB47070”.
For more information, go to the following:
www.lenovo.com/support/monitor accessories
Chapter 1 Getting started 1-5
5. Connect one end of the USB cable to the USB upstream terminal of the monitor, and connect the other
end of the USB cable to an appropriate USB port on your device.
Note:
1. The USB upstream port does not provide power while the monitor is switched off.
2. Power output for USB-A: 5V/0.9A.
3. Side Type-C maximum power is 28W (PPS Supported) / 24W and the PDO table is as below:
While 28W output, supported 3 fixed PDO and 3 APDOs (Augmented PDO) for PPS that
supported fasting charging for mobile, laptop...etc. devices which also supported PPS,
* Programmable Power Supply (PPS)
4. 28W: Super charging Off
24W: Super charging On
5V fixed 9V fixed 15V fixed
5V Prog
(5.9~3.3V)
9V Prog
(11~3.3V)
15V Prog
(16~3.3V)
PD 3.0/PPS PDO1
3A
3A
1.86A
~3A
~3A
~1.85A
PD 3.0/PPS PDO2
(with 5A Cable)
3A 3A 1.86A ~5A ~3.1A ~1.85A
PD 3.0/PPS PDO3 3A 2.67A None None None None
1-6 P27u-20 Flat Panel Monitor User’s Guide
If there are any * tag, you can consult the comments on page 1-1.
6. Connect the speaker’s audio cable and audio jack of monitor to transfer audio source from DP,
Thunderbolt™ or HDMI.
Note 1: The audio output in DP, Thunderbolt™ and HDMI modes.
Note 2: Excessive sound pressure from ear-/headphones can cause hearing damage/hearing loss.
7. Plug the monitor power cord and the computer cord into grounded electrical outlets.
Note: A certified power supply cord has to be used with this equipment. The relevant national
installation and/or equipment regulations shall be considered. A certified power supply cord not
lighter than ordinary polyvinyl chloride flexible cord according to IEC 60227 (designation H05VV-F 3G
0.75mm² or H05VVH2-F2 3G 0.75mm²) shall be used. Alternative a flexible cord be of synthetic rubber
according to IEC 60245 (designation H05RR-F 3G 0.75mm²) shall be used.
Chapter 1 Getting started 1-7
8. Connect one end of the Thunderbolt™ 4 cable to the Thunderbolt™ connector of the computer, and the
other end to the Thunderbolt™ connector on the monitor. Lenovo recommends that customers who
require using the Thunderbolt™ input on their monitor purchase the "Lenovo Thunderbolt™ 4 cable
TBD".
For more information, go to the following:
www.lenovo.com/support/monitor accessories
Note 1: P27u-20 monitor supports Thunderbolt™ 4.
Note 2: is Thunderbolt™ 4 upstream port, is Thunderbolt™ 4 downstream port.
Note 3: Thunderbolt™ upstream port supports maximum output power 65W/96W (Super
Charging/Smart Power) and the PDO table is as below:
UFP Port A (65W/96W)
Super USB Charging
Smart Power
5V Fixed
9V Fixed
15V Fixed
20V Fixed
OFF
ON (96W)
5.00 A
5.00 A
5.00 A
4.80 A
OFF (65W)
5.00 A
5.00 A
4.30 A
3.25 A
ON (96W)
ON
5.00 A 5.00 A 5.00 A 4.80 A
OFF
Note 4: To enable Smart Power, please see " OSD functions" on page 2-3.
Note 5: Thunderbolt™ downstream port supports maximum output power 27W when super charging
Off and the PDO table is as below:
DFP Port B (27W)
Super USB Charging
Smart Power
5V Fixed
9V Fixed
15V Fixed
OFF (27W)
ON (27W)
5.00 A 3.00 A 1.80 A
OFF (27W)
ON (0W)
ON
- - -
OFF
1-8 P27u-20 Flat Panel Monitor User’s Guide
9. Connect one end of the network cable to the Ethernet interface of the monitor and the other end to the
router.
10. Connect the Notebook Thunderbolt™ port to 1st P27u-20 Thunderbolt™ upstream port, and connect the
1st P27u-20 Thunderbolt™ downstream to 2nd P27u-20 Thunderbolt™ upstream port for display Daisy
chain function.
Note: To achieve 4K 60Hz x 2 display Daisy chain on P27u-20, certificated Thunderbolt™ 4 Notebook
and Thunderbolt 4™ cable that support transmission speed up to 40 Gbps are required.
Chapter 1 Getting started 1-9
11. Connect Intel vPro® supported Notebook through P27u-20 Thunderbolt™ 4 interface can let you
remotely access/control computer via Intel Active Management Technology (Intel® AMT) when the
operating system is not available or even the computer is turned off.
Note 1: To active vPro® function of P27u-20, please see "OSD functions" on page 2-3.
Note 2: For more detail Intel vPro® settings, you can consult local IT for further information.
12. Recommended USB setup:
1) Connect Desktop with HDMI/DisplayPort and USB type B for display and USB function.
2) Connect Thunderbolt™ 4 cable or A to C cable to Notebook for USB function. Display
Thunderbolt™/ HDMI/DisplayPort signal.
3) Connect USB devices to USB-A or USB-C port.
4) USB devices can switch between USB-C and USB-B hosts by:
Quick access for KVM hot key on P27u-20.
Note 1: Please don’t hit switch bottom while USB data is still in transmission.
Note 2: Thunderbolt™ 4 downstream port is not in part of KVM group.
1-10 P27u-20 Flat Panel Monitor User’s Guide
After operating, the OSD pops up. The USB devices and signal will be switched to another
upstream port after OSD disappears. You can bind USB-B and USB-C signals in the KVM option in
the OSD menu.
While operating, and if the USB device is working on data transferring, the port icon will be red, not
blue. There will be a pop-up message for the risk alert of data losing possibility.
Chapter 1 Getting started 1-11
13. Recommended Ethernet setup:
1) Connect Desktop with HDMI/DisplayPort and USB type B for USB Ethernet.
2) Connect single Thunderbolt™ 4 cable to Notebook for Display/Thunderbolt™/PCIe Ethernet.
3) Connect RJ45 cable (cat 5e above) to router.
Note 1: To enable Ethernet function of P27u-20, please see "OSD functions" on page 2-3.
Note 2: Both Thunderbolt™/USB-B Ethernet transmission through same LAN cable to router.
Note 3: RJ45 link rate LED indicator: Orange for 1G, Green for 100M, no light for 10M.
Note 4: To enable MAC address pass through (MAPT) or PXE for specific situation, you can consult
with local IT for support.
14. Assembled cables with Line Cleaner as shown below.
1-12 P27u-20 Flat Panel Monitor User’s Guide
15. Power on the monitor and the computer.
16. To install the monitor driver, you must download it from Lenovo website，
(http://support.lenovo.com/docs/P27u-20) and follow the instructions on page 2-7.
Registering your option
Thank you for purchasing this Lenovo® product. Please take a few moments to register your product
and provide us with information that will help Lenovo to better serve you in the future. Your
feedback is valuable to us in developing products and services that are important to you, as well as
in developing better ways to communicate with you. Register your option on the following Web site:
http://www.lenovo.com/register
Lenovo will send you information and updates on your registered product unless you indicate on
the Web site questionnaire that you do not want to receive further information.
Chapter 1 Getting started 1-13
Product overview
This section will provide information on adjusting monitor positions, setting user controls, and using the cable
lock slot.
Types of adjustments
Tilt
Please see the illustration below for an example of the tilt range.
Swivel
With the built-in pedestal, you can tilt and swivel the monitor for the most comfortable viewing angle.
Height Adjustment
After pressing the top of the monitor, you can adjust the height of the monitor.
1-14 P27u-20 Flat Panel Monitor User’s Guide
User controls
Your monitor has controls at the right side which are used to adjust the display.
For information on how to use these controls, please see “Explore your monitor” on page 2-1.
Cable lock slot
Your monitor is equipped with a cable lock slot located on the rear of your monitor. Please follow the
instructions that came with the cable lock to attach it.
Chapter 1 Getting started 1-15
Features and specs
Dimensions
Height 421.38mm(16.59in.)
Depth 219.97 mm (8.66 in.)
Width 613.80 mm (24.16 in.)
Stand Tilt range Range: -5°/+35°
Swivel Range: -45°/+45°
Lift Range: 135mm
Pivot
90 degree (both clockwise and
counter clockwise)
VESA mount Supported (GS&UL Approved) 100 mm x 100 mm
(3.94 in. x 3.94 in.)
Image
Viewable image size 684.784 mm (27 in.)
Maximum height 335.664mm(13.21in.)
Maximum width 596.736mm (23.49in.)
Pixel pitch 0.1554mm (0.0061 in.) (V)
Response time Normal: 6 ms
Extreme: 4 ms
Power input
Supply voltage 100-240 VAC, 60/50 Hz
current 3.5A
Thunderbolt upstream port
PD Function
Supply voltage/Watt
5V/9V/15V/20V
<65 W (Typical)
<96 W (Max)
in Smart Power
Mode
Thunderbolt downstream port
PD Function
Supply voltage/Watt
5V/9V/15V
27W Max.
USB Type C PD Function
Supply voltage/Watt
5V/9V/12V
27W Max.
Power consumption
Note: Power consumption
figures are for the monitor
and the power delivery
together.
Max Consumption 240W
Typical Consumption 35W
Standby/Suspend ＜0.5W
Off ＜0.3W
Video input (DP)
Input signal DP
Horizontal addressability 3840 pixels (max)
Vertical addressability 2160 lines (max)
Clock frequency 600 MHz
Table 1-1. Monitor specifications
1-16 P27u-20 Flat Panel Monitor User’s Guide
Video input (HDMI)
Input signal HDMI
Horizontal addressability 3840 pixels (max)
Vertical addressability 2160 lines (max)
Clock frequency 600 MHz
Video input (Thunderbolt™)
Input signal Thunderbolt™
Horizontal addressability 3840 pixels (max)
Vertical addressability 2160 lines (max)
Clock frequency 600 MHz
Communications VESA DDC /CI
Altitude Test Operation 5000 m (16404 ft.)
Supported Display Modes
(VESA Standard modes
between noted ranges)
Horizontal frequency 30 kHz – 140 kHz
Vertical frequency 50 Hz – 70 Hz
Native Resolution 3840 x 2160 at 60 Hz
Temperature
Operating 0° to 40°C (32°F to 104° F)
Storage -20° to 60°C (-4°F to 140° F)
Shipping -20° to 60°C (-4° F to 140° F)
Humidity
Operating 8% to 80%
Storage 5% to 95%
Shipping 5% to 95%
Chapter 2 Explore your monitor 2-1
Chapter 2. Explore your monitor
This section describes the user control features used to adjust your monitor image.
Quick access controls
The direct access controls can be used when the On Screen Display (OSD) is not displayed.
Table 2-1 Direct access controls
No. Icon Control Description
1
One Key Switch Select “1” is Thunderbolt™ port USB-C function
Select “2” is HDMI /DP port USB-B function.
Exit Exit from menu and return before menu.
DDC-CI Press and hold for 10 seconds to enable or disable the
DDC-CI function.
2
Input change Switches the video input source.
Up/Increase
Press to move lighting-indicator on main menu up from
active item to last one.
Press to increase current values on adjustment bar.
3
Brightness Direct access to Brightness adjustment.
Down/Decrease
Press to move lighting-indicator on main menu down
from active item to next one.
Press to decrease current values on adjustment bar.
4
Main menu Open OSD main menu. Press and hold for 10 seconds
will lock menu/un-lock menu.
Enter
Press to enter next level on main menu/sub menu
status or enter previous level on adjustment bar.
*Note:
One Key Switch: Press and select “1” to be Thunderbolt™ port USB-C function.
Press and select “2” to be HDMI /DP port USB-B function.
2-2 P27u-20 Flat Panel Monitor User’s Guide
OSD controls
The settings adjustable with the user controls are viewed through the On-Screen Display (OSD),
as shown below.
To use the controls:
1. Press to open the main OSD menu.
2. Use or to move among the icons. Select an icon and press to access that function.
If there is a sub-menu, you can move between options using or , then press to
select that function. Use or to make adjustments. Press to save.
3. Press to move backwards through the sub-menus and exit from the OSD.
4. Press and hold for 10 seconds to lock the OSD. This will prevent accidental
adjustments to the OSD. Press and hold for 10 seconds to unlock the OSD and allow
adjustments to the OSD.
5. Enables DDC/CI by default. Use OSD Exit Key, press and hold the buttons for 10
seconds to disable/enable DDC/CI function. The words " DDC/CI
Disable/DDC/CI/Enable" shows on the screen.
6. The ENERGY STAR option resets all user settings to default values so that the monitor can
meet the requirements of Energy Star.
Chapter 2 Explore your monitor 2-3
Table 2-2 OSD functions
OSD Icon on
Main Menu
Submenu Description
Controls and
Adjustments
Monitor Controls
Brightness Adjusts overall screen brightness.
Contrast Adjusts difference between light and dark areas.
Smart light
Off
On
Smart Light On:
Strong Ambient Light: Display Brightness will
increase to clearer image under strong light
Weak Light: Display Brightness will decrease
to comfortable image under weak light
Volume Adjust bar 0~100
Speaker
Off
On
Advanced Settings
Dynamic Contrast
Enable dynamic contrast ratio.
Off
On
Color Mode
Adjusts intensity of red, green, and blue.
DCI-P3
Adobe RGB
sRGB
BT.709
BT.2020
Neutral
Warm
Cool
Custom…
Red: Increases or decreases the saturation of
‘red’ in the image.
Green: Increases or decreases the saturation of
‘green’ in the image.
Blue: Increases or decreases the saturation of
‘blue’ in the image.
Scenario Modes
Panel Native
Digital Cinema
Professional Image
Image Creation
Video Creation
Low Blue Light
Over Drive
Off
Normal
Extreme
2-4 P27u-20 Flat Panel Monitor User’s Guide
OSD Icon on
Main Menu
Submenu Description
Controls and
Adjustments
HDR 400
Off
On
HDR 400 On:
When this function is enabled in the monitor,
the HDR function of the host device must be
turned on at the same time.
Aspect Ratio
Selects type of scaled image.
Full Screen: Expand image to full screen.
Original AR: Ratio with input signal.
Button Repeat Rate
Off
Default
Slow
Port Setting
Input Signal
This monitor can accept video signals through
three different connectors. Select digital among
OSD controls when you use
HDMI/DP/USB-C connector.
Thunderbolt™
Display Port
HDMI1
HDMI2
USB Charging
Off
On
Smart Power
Off
On
Super USB Charging
Off
On
KVM selection
USB-C
Thunderbolt
HDMI1
HDMI2
DP
USB-B
AUTO
HDMI1
HDMI2
DP
HDMI select
HDMI 1.4
HDMI 2.0
Ethernet
RJ45
Off
On
vPro
Off
On
Chapter 2 Explore your monitor 2-5
OSD Icon on
Main Menu
Submenu Description
Controls and
Adjustments
Menu Setting
Language
Select OSD Language.
Note: The language chosen only affects the
language of the OSD. It has no effect on any
software running on the computer.
Menu Time Out Sets the length of time the OSD will remain active
after the last time a button is pressed.
Menu Horizontal Changes the horizontal position of the OSD.
Menu Vertical Changes the vertical position of the OSD.
Transparency Choose the transparency of OSD.
Factory Reset
Resets monitor to the original factory settings.
Yes
No
The ENERGY STAR Logo means resets all user
settings to default values so that the monitor can
meet the requirements of Energy Star.
Exit / Exit OSD menu.
*The use of Extreme Mode (response time) may result in reduced display quality when fast moving video graphics
are displayed.
Users should check Extreme Mode (response time) to verify if it is compatible with any applications they would like
to use it with.
2-6 P27u-20 Flat Panel Monitor User’s Guide
Maximum resolutions
The display mode the monitor uses is controlled by the computer. Therefore, refer to your computer
documentation for details on how to change display modes.
The image size, position and shape might change when the display mode changes. This is normal
and the image can be readjusted using automatic image setup and the image controls.
Unlike CRT monitors, which require a high refresh rate to minimize flicker, LCD or Flat Panel
technology is inherently flicker-free.
Note: If your system has previously been used with a CRT monitor and is currently configured to a
display mode outside the range of this monitor, you may need to re-attach the CRT monitor
temporarily until you have re-configured the system; preferably to 3840x2160@ 60Hz, which is the
Native Resolution Display mode.
The display modes shown below have been optimized at the factory.
Table 2-3.
Factory set display modes
Addressability
Refresh rate
640x480
60Hz
720x400
70Hz
800x600
60Hz
1024x768
60Hz
1280x720
60Hz
1280x800
60Hz
1280x1024
60Hz
1440x900
60Hz
1600x900
60Hz
1680x1050
60Hz
1920x1080
60Hz
1920x1200
60Hz
2560x1080
60Hz
2560x1440
60Hz
3840x2160
60Hz *Note
*Note: Native resolution.
Image rotation
Before rotating the monitor, you should set-up your computer to rotate the image. Rotating
the image may require special rotation software or you may find that your computer is
preloaded with video graphic drivers that allows image rotation. Check the Graphic
Properties setting on your computer to see if this feature is available. Try these steps to check
if image rotation is available on your computer.
1. Right-click on the desktop and click Properties.
2. Select the Settings tab and click Advanced.
3. If you have ATI, select the Rotation tab and set the preferred rotation. If you have nVidia,
click the nVidia tab, in the left-hand column select NV Rotate, and then select the
preferred rotation. If you have Intel, select the Intel graphics tab, click Graphic
Properties, select the Rotation tab, and then set the preferred rotation.
Check with the manufacturer of your computer to see if graphic drivers with image rotation
can be downloaded from their support website.
Chapter 2 Explore your monitor 2-7
Driver (optional)
Below are steps for manually installing the monitor driver in Microsoft Windows 7, Microsoft
Windows 10.
Installing the monitor driver in Windows 7
To install the device driver in Microsoft® Windows 7, do the following:
1. Turn off the computer and all attached devices.
2. Ensure that the monitor is connected correctly.
3. Turn on the monitor and then turn on the computer. Allow your computer to boot into
Windows 7 operating system.
4. From the Lenovo website http://support.lenovo.com/docs/P27u_20, find the
corresponding monitor driver and download it to a PC to which this monitor is
connected (such as a desktop).
5. Open the Display Properties window by right-clicking Start, Control Panel, Hardware and
Sound icon, 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 the computer to find the driver program.
12. Select Pick from the list of device driver program on the 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 indicates "the folder in which the downloaded driver is located" (such as a desktop)
14. Select the “P27u-20.inf” file and click the Open button. Click the OK button.
15. Select Lenovo P27u-20 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 Colour Matching Profiles.
Note: On LCD monitors, unlike CRTs, a faster refresh rate does not improve display quality.
Lenovo recommends using either 3840 x 2160 at a refresh rate of 60 Hz, or 640 x 480 at
refresh rate of 60 Hz.
2-8 P27u-20 Flat Panel Monitor User’s Guide
Installing the monitor driver in Windows 10
To use the Plug and Play feature in Microsoft Windows 10, do the following:
1. Turn off the computer and all attached devices.
2. Ensure that the monitor is connected correctly.
3. Turn on the monitor and then turn on the computer. Allow your computer to boot into
Windows 10 operating system.
4. From the Lenovo website http://support.lenovo.com/docs/ P27u_20, find the
corresponding monitor driver and download it to a PC to which this monitor is
connected (such as a desktop).
5. On the Desktop, move mouse to bottom-left corner of screen, right-click 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 button.
8. Click the Monitor tab.
9. Click the Properties button.
10. Click the Driver tab.
11. Click Update Driver, then click Browse the computer to find the driver program.
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 indicates "the folder in which the downloaded driver is located" (such as a
desktop)
14. Select the “P27u-20.inf” file and click the Open button. Click the OK button.
15. In the new window, select Lenovo P27u-20 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 Colour Matching Profiles.
Note: On LCD monitors, unlike CRTs, a faster refresh rate does not improve display quality.
Lenovo recommends using either 3840 x 2160 at a refresh rate of 60 Hz, or 640 x 480 at a
refresh rate of 60 Hz.
Chapter 2 Explore your monitor 2-9
Understanding power management
Power management is invoked when the computer recognizes that you have not using your
mouse or keyboard for a user-definable period. There are several states as described in the table
below.
For optimal performance, switch off your monitor at the end of each working day, or whenever you
expect to leave it unused for long periods during the day.
Table 2-4. Power indicator
State Power Indicator Screen Restoring Operation Compliance
On Steady white Normal
Standby/
Suspend
Steady white Blank
Press a key or move the mouse.
There may be a slight delay reappears.
Note: Standby also occurs if there is no
image output to the monitor.
ENERGY
STAR
Off Off Off Press power key to switch on.
There may be a slight delay before the
image reappears.
ENERGY
STAR
Energy Star Power consumption
Pon 26.27 W
ETEC 96.88 kWh
This document is informational only and reflects laboratory performance. Your product may
perform differently, depending on the software, components and peripherals you ordered and
shall have no obligation to update such information. Accordingly, the customer should not rely
upon this information in making decisions about electrical tolerances or otherwise. No warranty
as to accuracy or completeness is expressed or implied.
Caring for your monitor
Be sure to turn off the power before you perform 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 type of contact may
cause permanent damage to your screen.
Use any cleaner which contains an anti-static solution or similar additives. 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.
2-10 P27u-20 Flat Panel Monitor User’s Guide
Detaching the monitor stand
After placing the monitor face down on a clean and soft surface, push the hook of the stand and lift
the stand up to remove it from the monitor.
Wall Mounting (Optional)
Refer to the instructions that come with the VESA compatible base mounting kit.
1. Place the monitor face down on a non-abrasive surface on stable flat table.
2. Remove the stand.
3. Attach the mounting bracket from the wall mounting kit to the monitor.
4. Mount the monitor on the wall by following the instructions that come with the base
mounting kit.
Note: For use only with UL and GS Listed Wall Mount Bracket with minimum weight/load
bearing capacity of 8.00 kg. In order to fulfil TCO Certification for this wall mounting option,
shielded power cable is mandatory to be used. Attach the mounting bracket from the VESA
compatible wall mounting kit (100mm x100mm distance), the type of VESA mounting screw
is M4 x 10 mm.
Chapter 3 Troubleshooting 3-1
Chapter 3. Troubleshooting
If you have a problem setting up or using your monitor, you might be able to solve it yourself. Before
calling your dealer or Lenovo, try the suggested actions that are appropriate to your problem.
Table 3-1. Troubleshooting
Problem Possible cause Suggested action Reference
The words” Out
of Range” are
shown on the
screen, and the
power indicator
is
flashing white.
The system is set
to a display mode
which 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
monitor.
If using a Windows system,
restart the system in safe mode,
then select a supported display
mode for your computer.
If these options do not work,
contact the Customer Support
Centre.
“Maximum resolutions”
on page 2-6
The image quality
is unacceptable.
The video signal
cable is not
connected with the
monitor or system
completely.
Be sure the signal cable is firmly
plugged into the system and
monitor.
“Connecting and turning
on your monitor” on
page 1-3
The image quality
is unacceptable.
The color settings
may be incorrect.
Select another colour setting from
the OSD menu.
“Explore your monitor”
on page 2-1
The power
indicator is not lit
and there is no
image.
The monitor’s
power switch is
not switched on.
The power cord
is loose or
disconnected.
There is no
power at the
outlet.
Be sure the power cord is
connected properly.
Be sure the outlet has power.
Power on the monitor.
Try using another power cord.
Try using another electrical
outlet.
“Connecting and turning
on your monitor”
on page 1-3
3-2 P27u-20 Flat Panel Monitor User’s Guide
Table 3-1. Troubleshooting (continued)
Problem Possible cause Suggested action Reference
Screen is blank and
power indicator is
breathing white.
The monitor is in
Standby/Suspend
mode
Press any key on the
keyboard or move the
mouse to restore operation.
Check the Power options
settings on your computer.
“Understanding power
management” on page
2-9
The power indicator
is white, but there is
no image.
The video signal cable
is loose or
disconnected from the
system or monitor.
Be sure the video cable is
connected with the system
properly.
“Connecting and turning
on your monitor” on
page 1-3
The monitor
brightness and
contrast are at the
lowest setting.
Adjust the brightness and
contrast setting on the OSD
menu.
“Explore your monitor”
on page 2-1
One or more of the
pixels appear
discoloured
This is a characteristic
of the LCD
technology and is not
an LCD defect.
If there are more than five
pixels missing, contact the
Customer Support Centre.
Appendix C, “
Service and
support” on page
C-1
Fuzzy lines in text
or a blurry image.
Horizontal or
vertical lines
through the image.
Your system
Display Properties
setting have not
been optimized.
Adjust the resolution settings
on your system to match the
native resolution for this
monitor:
3840 x 2160 at 60 Hz.
“Explore your monitor”
on page 2-1
Your system
Display Properties
setting have not
been optimized.
When working in the native
resolution, you may find
additional improvements by
adjusting the Dots Per Inch
(DPI) setting on your system.
See the Advanced section
of your system’s display
properties.
Appendix A Troubleshooting A-1
Appendix A. Important safety information
Safety information
General Safety guidelines
For tips to help you use your computer safety, go to:
http://www.lenovo.com/safety
Before installing this product, read the Safety Information.
This equipment is not suitable for use in locations where children are likely to be present, avoid hurting your
child when machine falling down.
A-2 P27u-20 Flat Panel Monitor User’s Guide
Maintenance
Important Safety Information
The power cord is designed for use with your monitor. To use a different cord, use only a power source and
connection compatible with this monitor.
WARNING: Always connect your monitor, the computer, and other equipment to a grounded (earthed) power
outlet. To reduce the risk of electric shock or damage to your equipment, do not disable the power cord grounding
feature. The grounding plug is an important safety feature.
WARNING: For your safety, be sure that the grounded power outlet you plug the power cord into is easily
accessible to the operator and located as close to the equipment as possible. To disconnect power from the
equipment, unplug the power cord from the power outlet by grasping the plug firmly. Never pull on the cord.
CAUTION: To protect your monitor, as well as your computer, connect all power cords for your computer
and its peripheral devices (such as a monitor, printer, or scanner) to a surge protection device such as a power
strip with surge protection or uninterruptible power supply (UPS). Not all power strips provide surge
protection; the power strips must be specifically labelled as having this ability. Use a power strip whose
manufacturer offers a damage replacement policy, so you can replace your equipment if surge protection fails.
CAUTION: A certified power supply cord has to be used with this equipment. The relevant national installation
and/or equipment regulations shall be considered. A certified power supply cord not lighter than ordinary polyvinyl
chloride flexible cord according to IEC 60227 (designation H05VV-F 3G 0.75mm² or H05VVH2-F2 3G 0.75mm²) shall
be used. An alternative flexible cord is synthetic rubber.
Safety Precautions
■Use only a power source and connection compatible with this monitor, as indicated on the label/back plate
of the monitor.
■Be sure the total ampere rating of the products connected to the outlet does not exceed the current rating of the
electrical outlet, and the total ampere rating of the products connected to the power cord does not exceed the
rating of the power cord. Look on the power label to determine the ampere rating (Amps or A) for each device.
■ Install your monitor near a power outlet that you can easily reach. Disconnect the monitor by grasping the plug
firmly and pulling it from the outlet. Never disconnect the monitor by pulling the cord.
■ Do not allow anything to rest on the power cord. Do not walk on the cord.
■ While using VESA mount application, the AC Inlet must face to down side. Do not face any other position.
Maintenance Guidelines
To enhance the performance and extend the life of your monitor:
■ Do not open your monitor cabinet or attempt to service this product yourself. If your monitor is not operating
properly or has been dropped or damaged, contact your Lenovo authorized dealer, reseller, or service provider.
■ Adjust only those controls that are described in the operating instructions.
■ Turn your monitor off when not in use. You can substantially increase the life expectancy of the monitor by using a
screen saver program and turning off the monitor when not in use.
■ Keep your monitor in a well-ventilated area, away from excessive light, heat, or moisture.
■ Slots and openings in the cabinet are provided for ventilation. These openings must not be blocked or covered.
Never push objects of any kind into cabinet slots or other openings.
■ Unplug the monitor from the power outlet before cleaning. Do not use liquid cleaners or aerosol cleaners.
■ Do not drop the monitor or place it on an unstable surface.
■ When removing the monitor base, you must lay the monitor face down on a soft area to prevent it from getting
scratched, defaced, or broken.
Cleaning the Monitor
The monitor is a high-quality optical device that requires special care when cleaning. To clean the monitor, follow
these steps:
1. Turn off the computer and the monitor.
2. Unplug your monitor from the power outlet before cleaning.
CAUTION: Do not use benzene, thinner, ammonia, or any volatile substance to clean the monitor screen or cabinet.
These chemicals may damage the monitor. Do not use liquid or aerosol cleaners. Never use water to clean an LCD
screen.
3. Wipe the screen with a dry, soft, clean cloth. If the screen requires additional cleaning, use an antistatic screen
cleaner.
4. Dust the monitor housing. Use a damp cloth to clean the cabinet. If the cabinet requires additional cleaning, use a
clean cloth dampened with isopropyl alcohol.
5. Plug in the monitor.
6. Turn on the monitor and the computer.
Appendix B Troubleshooting B-1
Appendix B. Comfort and accessibility
This section will give you information on adjusting and using your monitor.
Good ergonomic practice is important to get the most from your personal computer
and to avoid discomfort. Arrange your workplace and the equipment you use to suit
your individual needs and the kind of work that you perform. In addition, use
healthy work habits to maximize your performance and comfort while using your
computer.
Arranging your work area
Use a work surface of appropriate height and available working area to allow you to
work in comfort.
Organize you work area to match the way you use materials and equipment. Keep
your work area clean and clear for the materials that you typically use and place the
items that you use most frequently, such as the computer mouse or telephone, within
the easiest reach.
Equipment layout and setup play a large role in your working posture. The
following topics describe how to optimize equipment setup to achieve and maintain
good working posture.
Positioning and viewing your monitor
Position and adjust your computer monitor for comfortable viewing by considering
the following items:
Viewing distance: Optimal viewing distances for monitors range from
approximately 510mm to 760mm (20 in to 30 in) and can vary depending on
ambient light and time of day. You can achieve different viewing distances by
repositioning your monitor or by modifying your posture or chair position. Use a
viewing distance that is most comfortable for you.
Monitor height: Position the monitor so your head and neck are in a comfortable
and neutral (vertical, or upright) position. If your monitor does not have height
adjustments, you might have to place books or other sturdy objects under the base
of the monitor to achieve the desired height. 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. However, be sure to optimize your monitor
height so the line of site between your eyes and the centre of the monitor suits
your preferences for visual distance and comfortable viewing when your eye
muscles are in a relaxed stated.
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.
The following are some other tips for comfortable viewing of your monitor:
Use adequate lighting for the type of work you are performing.
Use the monitor brightness, contrast, and image adjustment controls, if equipped,
to optimize the image on your screen to meet your visual preferences.
Keep your monitor screen clean so you can focus on the screen’s contents.
Any concentrated and sustained visual activity can be tiring for your eyes. Be sure to
periodically look away from your monitor screen and focus on a far object to allow
your eye muscles to relax. If you have questions on eye fatigue or visual discomfort,
consult a vision care specialist for advice.
B-2 P27u-20 Flat Panel Monitor User’s Guide
Positioning your monitor
Prolong exposure to computer screens may cause temporary visual fatigue. Factors
including working environment, working habit and posture, screen flicker and blue light
contribute to this condition. To minimize visual fatigue certain adjustments can be made on
the work stations or using suitable computer screens with features that alleviate eye strain.
Environment
Visual fatigue is affected by the working environment. Glare reductions and appropriate
lighting situations help minimize this condition.
Glare reduction
Glare can be reduced by
a) Changing position of any light source that is causing the glare.
b) Fitting the light sources with appropriate diffusers or lampshade.
c) Using curtains or blind on windows to minimize glare from direct sunlight.
d) Adjusting monitor position to be perpendicular to the source of light or windows.
e) Using an anti-glare screen - ThinkVision monitors have anti-glare surface treatment that
scatters light for a reflection-free work usage.
Lighting
Adequate lighting is necessary to avoid glare and eye fatigue. Excessive or insufficient
lighting makes the display on screen harder to see. Generally, lighting level should not
exceed 750 lux and levels ranging from 300 to 500 lux are most appropriate for computer
desk work. Recommended lighting arrangement includes positioning work stations away
from direct sunlight or using overhead lighting with baffles or louvers that reduces glare.
Appendix B Troubleshooting B-3
Tips for healthy work habits
Long exposures to computer screens may cause eye strain. Symptoms include headache,
burning eyes, blurred vision and discomfort. To minimize eye strain, computer users can
adjust working habits to let their eyes relax and recover.
Break Times
Computer users should take some time away from the screen especially if working for
prolong hours. Generally, it is recommended to take short breaks (5 – 15 mins) after 1 –2
hours of continuous computer works. Taking short and frequent breaks is more advised
than longer breaks.
Looking at Distant Objects
Users often blink less when in front of monitor screen. To minimize eye strain and dryness,
users should rest the eye periodically by focusing on objects that are far away.
Eye and Neck Exercises
Certain exercise reduces eye strain and prevent early onset of musculo-skeletal disorders. It
is recommended to repeat these exercises often. However, should symptoms persists it is
recommended to consult a physician.
Exercises for the eye:
1. Alternate looking up and looking down while keeping the body and head upright.
2. Slowly roll your eyes to look to the left and right.
3. Roll eyes to look at objects on the upper right corner and then on lower right. Do same
thing to look at objects on the upper left and lower left.
Exercises for the neck:
1. Relax arm at the side. Bend head forward to slightly stretch the neck. Hold for 5 seconds.
2. Relax arm at the side. Turn head to the right. Hold for 5 seconds. Then turn head to the
left.
3. Relax arm at the side. Swing head to the left. Hold for 5 seconds. Then swing head to the
right.
Working Posture
Appropriate working position helps minimize eye discomfort. Seating position and ideal
placement of monitor are essential for a comfortable working experience.
Seating Position
Placing the monitor too far or too close may lead to eye strain. Far viewing distance causes
users to lean forward to see small texts, which strain the eyes and torso. Close viewing
distance, on the other hand, strains the eye resulting from exerting more effort to focus and
also causes the user to sit in awkward body posture (i.e. tilting the head, typing with
outstretched arms, etc.)
Recommended viewing distance between the eye and the monitor screen is 1.5 x the diagonal
of the screen. Solutions in meeting this required distance in cramped office situations include
pulling desk away from wall or divider to make room for monitor, using flat panel or compact
displays placing the monitor in the desk corner, or placing the keyboard in an adjustable
drawer to create a deeper working surface.
B-4 P27u-20 Flat Panel Monitor User’s Guide
ThinkVision monitors are design to maximize work space (e.g. having thin profiles,
compatible for ThinkCentre Tiny back mount, practical cable management, etc).
Viewing Angle
Neck fatigue and pain may result from prolong turning of the head to see objects on the monitor
screen. To minimize this, position the monitor directly in front so the head, neck and torso face
forward to the screen. It is recommended that monitor should not be more than 35 degrees to the
right or left of the head.
Monitors should also not be placed too high or too low as this contributes to awkward posture which
results to muscle fatigue.
Reduce Flicker
Monitor flickers refer to repeated changes in monitor light intensity. It is caused by several factors
including but not limited to voltage fluctuations. Reducing flicker minimizes eye strain and
headaches. ThinkVision monitors allow users to use high frequency display modes that can
effectively reduce flicker.
Appendix B Troubleshooting B-5
Low Blue Light
Concerns on blue light affecting eye health have risen over the years. Blue light have
wavelength between 300 nm to 500 nm. The monitors have a factory setting that reduces blue
light emissions. Users can enable low blue light mode on these monitors from the OSD
settings.
1. Press to open the main OSD menu.
2. Use or to move among the icons. Select icon (Advanced Setting) and press
to access this function.
B-6 P27u-20 Flat Panel Monitor User’s Guide
3. Use or to move among the items. Select Scenario Modes and press to access this
function.
4. Select Low Blue Light and press to enable/disable Low Blue Light.
Accessibility information
Lenovo is committed to providing greater access to information and technology to
people with disabilities. With assistive technologies, users can access information in
the way most appropriate to their disability. Some of these technologies are already
provided in your operating system; others can be purchased through vendors or
accessed at:
https://lenovo.ssbbartgroup.com/lenovo/request_vpat.php
Appendix C Troubleshooting C-1
Appendix C. Service and support
The following information describes the technical support that is available for your product,
during the warranty period or throughout the life of the product. Refer to your Lenovo Statement
of Limited Warranty for a fully explanation of Lenovo warranty terms.
Register your monitor
Register to receive product service and support updates, as well as free and discounted computer
Accessories and content. Go to:
http://www.lenovo.com/support
Online technical support
Online technical support is available during the life of your product through the Lenovo Support
Web site at http://www.lenovo.com/ support
Product replacement assistance or exchange of defective components also is available during the
warranty period, assistance for replacement or exchange of defective components is available. In
addition, if your option is installed in a Lenovo computer, you might be entitled to service at your
location. Your technical support representative can help you determine the best alternative.
Telephone technical support
Installation and configuration support through the Customer Support Center will be withdrawn
or made available for a fee, at Lenovo’s discretion, 90 days after the option has been withdrawn
from marketing, Additional support offerings, including step-by-step installation assistance, are
available for a nominal fee.
To assist the technical support representative, have available as much of the following
information as possible:
Option name
Option number
Proof of purchase
Computer manufacturer, model, serial number, and manual
Exact wording of the error message (if any)
Description of the problem
Hardware and software configuration information for your system
If possible, be at your computer. Your technical support representative might want
to walk you through the problem during the call.
Worldwide telephone list
Phone numbers are subject to change without notice. For the most current phone Numbers,
go to http://www.lenovo.com/support/phone
Country or Region Telephone Number
Argentina 0800-666-0011 (Spanish, English)
Australia 1-800-041-267 (English )
Austria 0810-100-654 (local phone) (German)
Belgium Warrant service and support: 02-339-36-11 (Dutch, French)
Bolivia 0800-10-0189 ( Spanish)
Brazil Calls made from within the Sao Paulo region: 11-3889-8986
Calls made from outside the Sao Paulo region: 0800-701-4815
(Portuguese)
Brunei Darussalam 800-1111 (English)
Canada 1-800-565-3344 (English, French)
C-2 P27u-20 Flat Panel Monitor User’s Guide
Country or Region Telephone Number
Chile 800-361-213(Spanish )
China Technical Support Line: 400-100-6000 (Mandarin)
China
(Hong Kong S.A.R.)
(852) 3516-8977
(Cantonese, English, Mandarin)
China
(Macau S.A.R.)
0800-807 / (852) 3071-3559
(Cantonese, English, Mandarin)
Colombia 1-800-912-3021 (Spanish)
Costa Rica 0-800-011-1029( Spanish )
Croatia 385-1-3033-120(Croatian)
Cyprus 800-92537(Greek)
Czech Republic 800-353-637(Czech)
Denmark Warranty service and support: 7010-5150 (Danish)
Dominican
Republic 1-866-434-2080(Spanish )
Ecuador 1-800-426911 (OPCION 4) (Spanish )
Egypt Primary: 0800-0000-850
Secondary:0800-0000-744
(Arabic, English)
El Salvador 800-6264 (Spanish)
Estonia 372-66-0-800
(Estonian, Russian, English)
Finland Warranty service and support: +358-800-1-4260(Finnish)
France Warranty service and support (hardware): 0810-631-213(French)
Germany Warranty service and support: 0800-500-4618 (toll-free)(German)
Greece Lenovo Business Partner (Greek)
Guatemala Dial 999-9190, wait for operator, and request to reach 877-404-9661
(Spanish)
Honduras Dial 800-0123(Spanish)
Hungary +36-13-825-716
(English, Hungarian)
India Primary: 1800-419-4666 (Tata)
Secondary: 1800-3000-8465 (Reliance)
Email: commercialts@lenovo.com
(English and Hindi)
Indonesia 1-803-442-425
62 213-002-1090 (Standard Charges Apply)
(English, Bahasa Indonesia)
Ireland Warranty service and support: 01-881-1444 (English)
Appendix C Troubleshooting C-3
Country or Region Telephone Number
Israel Givat Shmuel Service and Center: +972-3-531-3900
(Hebrew, English)
Italy Warranty service and support: +39-800-820094 (Italian)
Japan 0120-000-817
(Japanese, English)
Kazakhstan 77-273-231-427(Standard charges Apply) (Russian , English)
Korea 080-513-0880 (Collect Call)
02-3483-2829 (Toll Call) (Korean)
Latvia 371-6707-360(Latvian, Russian, English)
Lithuania 370 5278 6602(Italian, Russian, English )
Luxembourg ThinkServer and ThinkStation: 352-360-385-343 ThinkCentre and
ThinkPad: 352-360-385-222 (French)
Malaysia 1-800-88-0013
03-7724-8023 (Standard Charges Apply) (English)
Malta 356-21-445-566(English, Italian, Maltese Arabic)
Mexico 001-866-434-2080(Spanish)
Netherlands 020-513-3939 (Dutch)
New Zealand 0508-770-506 (English )
Nicaragua 001-800-220-2282 (Spanish)
Norway 8152-1550(Norwegian)
Panama Lenovo Customer Support Center: 001-866-434(Toll-Free)(Spanish)
Peru 0-800-50-866 (OPCION 2) (Spanish)
Philippines 1-800-8908-6454 (GLOBE subscribers)
1-800-1441-0719 (PLDT subscribers) (Tagalog, English)
Poland Laptops and tablets branded with logo Think: 48-22-273-9777
ThinkStation and ThinkServer: 48-22-878-6999
(Polish, English )
Portugal 808-225-115 (Standard Charges Apply) (Portuguese)
Romania 4-021-224-4015(Romanian)
Russia +7-499-705-6204
+7-495-240-8558
(Standard Charges Apply)(Russian)
Singapore 1-800-415-5529
6818-5315 (Standard Charges Apply)
(English, Mandarin, Bahasa Malaysia)
Slovakia ThinkStation and ThinkServer: 421-2-4954-5555
Slovenia 386-1-2005-60 (Slovenian)
Spain 34-917-147-833(Spanish)
C-4 P27u-20 Flat Panel Monitor User’s Guide
Country or Region Telephone Number
Sri Lanka +9477-7357-123 (Sumathi Information systems) (English)
Sweden Warranty service and support: 077-117-1040 (Swedish)
Switzerland Warranty service and support: 0800-55-54-54 (German, French, Italian)
Taiwan 0800-000-702 (Mandarin)
Thailand 001-800-4415-734
(+662) 787-3067 (Standard Charges Apply)(Thai, English)
Turkey 444-04-26 (Turkish)
United Kingdom Standard warranty support: 03705-500-900 ( local rate) Standard
warranty support: 08705-500-900(English)
United States 1-800-426-7378 (English)
Uruguay 000-411-005-6649 (Spanish)
Venezuela 0-800-100-2011 (Spanish)
Vietnam 120-11072 (Toll Free)
84-8-4458-1042 (Standard Charges Apply) (Vietnamese, English)
Appendix C Troubleshooting C-5
Service information
Customer responsibilities
The warranty does not apply to a product which has been damaged due to accident, misuse,
abuse, improper installation, usage not in accordance with product specifications and
instructions, natural or personal disaster, or unauthorized alterations, repairs or modifications.
The following are examples of misuse or abuse and not covered by warranty:
Images burned on to the screen of a CRT monitor. Burned image is preventable by utilizing a
moving screen saver or power management.
Physical damage to covers, bezel, base and cables.
Scratches or punctures on monitor screens.
Getting further help
If you still can’t solve your problem, please contact the Customer Support Centre. For more
information on contacting the Customer Support Centre, please see Appendix C, “Service and
support ” on page C-1.
Service parts
The following parts are for use by Lenovo service, or Lenovo authorized dealers to support the
customer warranty. Parts are for service use only. The table below shows information for model
62CB-RAR6-WW.
Table C-1. List of service parts
FRU (Field
Replaceable Unit)
Part number
Description Colour Machine Type
Model (MTM)
5D11C91709
P27u-20 – 27
inch FRU Monitor
(HDMI)
Raven Black 62CB-RAR6-WW
5C11C91706 P27u-20 TBT4 40G passive cable Raven Black 62CB-RAR6-WW
5C11C71805 P27u-20 HDMI 2.0 cable 1.8m Raven Black 62CB-RAR6-WW
5C11C91713 P27u-20 DP 1.2 cable 1.8m Raven Black 62CB-RAR6-WW
5C11C91708 P27u-20 USB Type B to Type A cable Raven Black 62CB-RAR6-WW
5C11C91710 P27u-20 min DP to DP cable 1.8m Raven Black 62CB-RAR6-WW
5SE1C91711 P27u-20 - FRU Stand and Base Raven Black 62CB-RAR6-WW
Appendix D Troubleshooting D-1
Appendix D. Compliance information
Recycling information
Lenovo encourage owners of information technology (IT) equipment to responsibly recycle
their equipment when it is no longer needed. Lenovo offers a variety of programs and
services to assist equipment owners in recycling their IT products. For information on
recycling Lenovo products, go to:
www.lenovo.com/recycling
Collecting and recycling a disused Lenovo computer or monitor
If you are a company employee and need to dispose of a Lenovo computer or monitor that is
the property of the company, you must do so in accordance with the Law for Promotion of
Effective Utilization of Resources. Computers and monitors are categorized as industrial
waste and should be properly disposed of by an industrial waste disposal contractor
certified by a local government. In accordance with the Law for Promotion of Effective
Utilization of Resources, Lenovo Japan provides, through its PC Collecting and Recycling
Services, for the collecting, reuse, and recycling of disused computers and monitors. For
details, visit the Lenovo Web site at
https://www.lenovo.com/jp/ja/services_warranty/recycle/pcrecycle/. Pursuant
to the Law for Promotion of Effective Utilization of Resources, the collecting and
recycling of home-used computers and monitors by the manufacturer was begun in
October 1, 2003. This service is provided free of charge for home-used computers
sold after October 1, 2003. For details, visit the Lenovo Web site at
https://www.lenovo.com/jp/ja/services_warranty/recycle/personal/.
Disposing of Lenovo computer components
Some Lenovo computer products sold in Japan may have components that contain heavy
metals or other environmental sensitive substances. To properly dispose of disused
components, such as a printed circuit board or drive, use the methods described above for
collecting and recycling a disused computer or monitor.
D-2 P27u-20 Flat Panel Monitor User’s Guide
Turkish statement of compliance
The Lenovo product meets the requirements of the Republic of Turkey Directive on the
Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment
(EEE).
Lenovo and the Lenovo logo are trademarks of Lenovo in the United States, other countries,
or both.
Ukraine RoHS
India RoHS
RoHS compliant as per E-Waste (Management & Handling) Rules, 2011.
Power cords and power adapters
Use only the power cords and power adapters supplied by the product manufacturer. Do not use
the ac power cord for other devices.
Appendix D Troubleshooting D-3
TCO Certified
D-4 P27u-20 Flat Panel Monitor User’s Guide
Appendix D Troubleshooting D-5
Energy Star is an energy saving program for consumer electronics led by the U.S.
government. It was launched in 1992 by EPA and DOE to reduce energy consumption and
greenhouse gas emissions. Energy Star logo is a symbol of energy conservation and
environmental protection. It improves the concept of energy efficiency of consumers and
manufacturers, and effectively guides the market.
The regulation of Energy Star improves energy efficiency and reduces air pollution by
using more energy-efficient equipment in homes, offices and factories. One way to achieve
this goal is to use management to reduce energy consumption when products are not in
use.
The default settings for monitors conform to Energy Star certification. Any changes by
users for more features and functionalities may increase power consumption, which will
exceed the limitation of Energy Star’s standard. If the user changes the options related to
energy efficiency when using, such as brightness, color mode, etc., select All Reset Factory
or choose the Energy Star option, the power consumption will be restored to the energy
efficiency with Energy Star standard.
For more information, please refer to (www.energystar.gov/products). All products of
Energy Star will be posted online and can be accessed directly by governments, public
institutions and consumers.
Appendix E Notices and trademarks E-1
Appendix E. Notices and trademarks
Lenovo may not offer the products, services, or features discussed in this document in all
countries. Consult your local Lenovo representative for information on the products and
services currently available in your area. Any reference to a Lenovo product, program, or
service is not intended to state or imply that only that Lenovo product, program, or service
may be used. Any functionally equivalent product, program, or service that does not infringe
any Lenovo intellectual property right may be used instead. However, it is the user’s
responsibility to evaluate and verify the operation of any other product, program, or service.
Lenovo may have patents or pending patent applications covering subject matter
described in this document. The furnishing of this document does not give you any
license to these patents. You can send license inquiries, in writing to:
Lenovo (United States),inc.
1009 Think Place – Building One
Morrisville, NC 27560
U.S.A.
Attention: Lenovo Director of Licensing
LENOVO PROVIDES THIS PUBLICATION “AS IS” WITHOUT WARRANTY OF ANY
KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO THE
IMPLIED WARRANTIES OF NON-INFRINGEMENT,
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
Some jurisdictions do not allow disclaimer of express or implied warranties in certain
transactions, therefore, this statement may not apply to you.
This information could include technical inaccuracies or typographical errors. Changes are
periodically made to the information herein; these changes will be incorporated in new
editions of the publication. Lenovo may make improvements and/or changes in the
product(s) and/or the program(s) described in this publication at any time without notice.
The products described in this document are not intended for use in implantation or other life
support applications where malfunction may result in injury or death to persons. The
information contained in this document does not affect or change Lenovo product specifications
or warranties. Nothing in this document shall operate as an express or implied license or
indemnity under the intellectual property rights of Lenovo or third parties. All information
contained in this document was obtained from specific environments and presented as an
illustration. The result obtained in other operating environments may vary.
Lenovo may use or distribute any of the information you supply in any way it believe
appropriate without incurring any obligation to you.
Any references in this publication to non-Lenovo Web sites are provided for convenience only
and do not in any manner serve as an endorsement of those Web sites. The materials at those
Web sites are not part of the materials for this Lenovo product, and use of those Web sites is at
your own risk.
Any performance data contained herein was determined in a controlled environment.
Therefore, the result obtained in other operating environments may vary significantly. Some
measurements may have been made on development-level systems and there is no guarantee
that these measurements
will be the same on generally available systems. Furthermore, some measurements
may have been estimated through extrapolation. Actual results may vary. Users of this
document should verify the applicable data for their specific environment.
E-2 P27u-20 Flat Panel Monitor User’s Guide
Trademarks
The following terms are trademarks of Lenovo in the United States, other countries, or both:
Lenovo
The Lenovo logo
ThinkCentre
ThinkPad
ThinkVision
Microsoft, Windows, and Windows NT are trademarks of the Microsoft group of companies.
Other company, product, or service names may be trademarks or service marks of others.