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 48 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.
Page 3
Contents
Safety information ����������������������������������������������������������������������������������������������������������������������������������������������� iii
General Safety guidelines ������������������������������������������������������������������������������������������������������������������������������������������������������������������������������ iii
Chapter 1� Getting started
Shipping contents ����������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������� 1-1
Notice for use ����������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������� 1-2
Product overview ����������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������� 1-3
Adjusting the tilt ������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������� 1-3
Monitor controls�������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������� 1-3
Setting up your monitor ������������������������������������������������������������������������������������������������������������������������������������������������������������������������������� 1-4
Connecting and turning on your monitor ������������������������������������������������������������������������������������������������������������������������������������������������ 1-4
Registering your option �������������������������������������������������������������������������������������������������������������������������������������������������������������������������������� 1-7
Chapter 2� Adjusting and using your monitor
Comfort and accessibility ���������������������������������������������������������������������������������������������������������������������������������������������������������������������������� 2-1
Arranging your work area ����������������������������������������������������������������������������������������������������������������������������������������������������������������������� 2-1
Positioning your monitor ������������������������������������������������������������������������������������������������������������������������������������������������������������������������ 2-1
Quick tips for healthy work habits ���������������������������������������������������������������������������������������������������������������������������������������������������������� 2-2
Accessibility information ������������������������������������������������������������������������������������������������������������������������������������������������������������������������ 2-2
Adjusting your monitor image �������������������������������������������������������������������������������������������������������������������������������������������������������������������� 2-3
Using the direct access controls �������������������������������������������������������������������������������������������������������������������������������������������������������������� 2-3
Using the On-Screen Display (OSD) controls ���������������������������������������������������������������������������������������������������������������������������������������� 2-4
Selecting a supported display mode �������������������������������������������������������������������������������������������������������������������������������������������������������� 2-7
Understanding power management ������������������������������������������������������������������������������������������������������������������������������������������������������������� 2-8
Caring for your monitor ������������������������������������������������������������������������������������������������������������������������������������������������������������������������������ 2-9
Detaching the monitor base ������������������������������������������������������������������������������������������������������������������������������������������������������������������������� 2-9
Manually installing the monitor driver ��������������������������������������������������������������������������������������������������������������������������������������������������� 3-5
Installing the monitor driver in Windows 7 ��������������������������������������������������������������������������������������������������������������������������������������� 3-5
Installing the monitor driver in Windows10 �������������������������������������������������������������������������������������������������������������������������������������� 3-6
Getting further help ���������������������������������������������������������������������������������������������������������������������������������������������������������������������������� 3-7
Service information ���������������������������������������������������������������������������������������������������������������������������������������������������������������������������� 3-8
Product numbers �������������������������������������������������������������������������������������������������������������������������������������������������������������������������������� 3-8
Customer responsibilities ������������������������������������������������������������������������������������������������������������������������������������������������������������������� 3-8
Service parts ��������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������� 3-8
Appendix A� Service and Support ������������������������������������������������������������������������������������������������������������������� A-1
Registering your option ������������������������������������������������������������������������������������������������������������������������������������������������������������������������������� A-1
Online technical support ����������������������������������������������������������������������������������������������������������������������������������������������������������������������������� A-1
Telephone technical support������������������������������������������������������������������������������������������������������������������������������������������������������������������������ A-1
Recycling information �������������������������������������������������������������������������������������������������������������������������������������������������������������������������������� B-2
Trademarks �������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������� B-3
Power cords and power adapters ����������������������������������������������������������������������������������������������������������������������������������������������������������������� B-3
Contents ii
Page 4
Safety information
General Safety guidelines
For tips to help you use your computer safely, go to:
http://www�lenovo�com/safety
Before installing this product, read the Safety Information�
ííí
Safety information
iii
Page 5
Chapter 1� Getting started
This User’s Guide provides detailed operation instructions for the user� For quick instruction
overview, please see the Setup Poster for brief information�
Shipping contents
The product package should include the following items:
• Information Flyer
• Flat Panel Monitor
• Adapter
• HDMI Cable (Enclosed)
• Base
• Stand
HDMI
Chapter 1� 1-1
Page 6
Notice for use
°
-5°
To set up 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.
90°90
80°
1.
2. Align the stand assembly bracket to the monitor.
3. Insert the bracket towards monitor until it locks in place.
Product overview
Adjusting the tilt
This section will provide information on adjusting monitor positions, setting user controls, and
using the cable lock slot.
Please see the illustration below for an example of the tilt range.
0°
30°
Chapter 1. 1-2
Page 7
Monitor controls
The keypad controls on the panel frame are accesses to various functions.
For information on how to utilize these keypad controls, please see "Adjusting your monitor
image"on page 2-3.
Setting up your monitor
This section provides information on how to set up your monitor.
Connecting and turning on your monitor
Note: Be sure to read the Safety information on page iii before carrying out this procedure.
1. Power off your computer and all attached devices, then unplug the computer power cord.
Cable lock slot
Your monitor is equipped with a cable lock slot located on the rear of your monitor.
Chapter 1. 1-3
Page 8
2� Connect one end of the HDMI cable to the monitor HDMIconnector and the other end to the
computer�
HDMI
Lenovo recommends that customers who require to use the HDMI input on their
Note:
monitor purchase the " Lenovo HDMI to HDMI Cable OB47070
"www�lenovo�com/support/monitoraccessories�
3� Connect one end of the DP cable to the monitor DP connector and the other end to the
computer�
DP
Chapter 1� 1-4
Page 9
4� Connect the headphone to the headphone output terminal of the monitor�
Note: Please be aware that excessive and/or extreme volume might damage your hearing
ability�
Headphone
5� Insert the Adapter into the monitor, then plug the monitor power cord and the computer
cord into grounded electrical outlets�
Note: A certied power supply cord has to be used with this equipment. The relevant
national installation and or equipment regulations shall be considered. A certied power
supply cord not lighter than ordinary polyvinyl chloride exible cord according to IEC
60227 (designation H05VV-F 3G 0�75mm² or H05VVH2-F2 3G0�75mm²) shall be used�
Alternative a exible cord be of synthetic rubber according to IEC 60245 (designation H05RR-F
3G 0�75mm 2 ) shall be used�
Adapter
Chapter 1� 1-5
Page 10
6� Power on the monitor and the computer�
7� When you install the monitor driver, download the driver that corresponds to your monitor
model from the Lenovo website http://support�lenovo�com/docs/X24-20� Refer to the
“"Manually installing the monitor driver"on page 3-5” section to install the driver�
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 product 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� 1-6
Page 11
Chapter 2� Adjusting and using your monitor
This section will give you information on adjusting and using your monitor�
Comfort and accessibility
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� For more detailed information on any of
these topics, visit the Healthy Computing Web site at:
http://www�lenovo�com/healthycomputing/�
Arranging your work area
Use a work surface of appropriate height and available working area to allow you to work in
comfort�
Organize your 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 your monitor
Position and adjust your computer monitor for comfortable viewing by considering the following
items:
•Viewing distance:
1.5 x the diagonal of the screen. Solutions in meeting this required distance in cramped ofce
situations include pulling desk away from wall or divider to make room for monitor,using at
panel or compact displays placing the monitor in the desk comer,or placing the keyboard in an
adjustable drawer to create a deeper working surface�
•Monitor height:
(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 center the monitor
suits your preferences for visual distance and comfortable viewing when your eye muscles are
in a relaxed state�
Recommemded viewing distance between the eye and the monitor screen is
Position the monitor so your head and neck are in a comfortable and neutral
1�5 times of sreen diagonal
Chapter 2� 2-1
Page 12
•Tilt:
•General location:
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 controls, if equipped to optimize the image on your
• 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�
Adjust the tilt of your monitor to optimize the appearance of the screen content and to
accommodate your preferred head and neck posture�
Position your monitor to avoid glare or reections on the screen from
overhead lighting or nearby windows�
screen to meet your visual preferences�
Quick tips for healthy work habits
The following information is a summary of some important factors to consider to help you remain
comfortable and productive while you use your computer�
•Good posture starts with equipment setup:
your computer equipment have a large effect on your posture while using your computer� Be
sure to optimize the position and orientation of your equipment by following the tips outlined
in "Arranging your work area"on page 2-1 so you can maintain a comfortable and productive
posture� Also, be sure to use the adjustment capabilities of your computer components and
ofce furniture to best suit your preferences now and as your preferences change over time.
•Minor changes in posture can help avoid discomfort:
your computer, the more important it is to observe your working posture� Avoid assuming any
one posture for an extended period of time. Periodically make minor modications in your
posture to help deter any discomforts that might arise� Make use of any adjustments that your
ofce furniture or equipment provide to accommodate changes in posture.
•Short, periodic breaks help ensure healthy computing:
static activity, it is particularly important to take short breaks from your work� Periodically,
stand up from your work area, stretch, walk for a drink of water, or otherwise take a short
break from using your computer� A short break from work gives your body a welcome change
in posture and helps to ensure you remain comfortable and productive while you do work�
The layout of your work area and the setup of
The longer you sit and work with
Because computing is primarily a
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:
This section describes the control features to adjust your monitor image�
Using the direct access controls
The direct access controls can be used when the On-Screen Display (OSD) is not displayed�
IconNameDescription
1
2
3
4
DDC-CI
ExitExit and return to previous level
Input Source
Decrease/Down
Brightness Direct access to Brightness adjustment
Low Blue Light
Increase/Up
Menu
Enter
Press and hold for 10 seconds to enable or disable the DDCCI function�
Switches the video input source
Shift back to previous level when in OSD mode
Left browsing key
For decreasing the value on adjustment bar
Press and hold for 2 seconds to enable Low Blue
Light or disable Low Blue Light
Right browsing key
For increasing the value on adjustment bar
To access OSD menu
Press to conrm selection
Press and hold for 10 seconds will lock menu/un-lock menu
Press to enter next level on main menu/sub menu status or
enter previous level on adjustment bar
Chapter 2� 2-3
Page 14
Using the On-Screen Display (OSD) controls
To adjust the settings, the user controls can be viewed through the OSD�
Adjusts overall screen Brightness/Contrast/DCR
Adjusts overall screen Brightness/Contrast/DCR
Exit
OK
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 the selected
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 then 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 for 10 seconds to disable
/ enable DDC/CI function� A message "DDC/CI disable" is shown on the screen�
Notes:Using the Low Blue Light
1� Press to open the main OSD menu
2�Use or to move among the icons� Select and press to access
3�
Use or to move among the icons� Select
4�
Use or to move among the icons� Select Off,then press to function disable�
Low Blue Light ,
then press to select that function�
Image Properties�
Chapter 2. 2-4
Page 15
Table 2-1. OSD functions
OSD Icon on Main
Menu
Brightness/
Contrast/DCR
Image Properties
SubmenuDescription
BrightnessAdjusts overall brightness
DCREnable dynamic contrast ratio�
Low Blue LightSelect to enable
Adjusts intensity of red, green, and blue�
Preset mode
• Neutral
• sRGB
• Reddish
Color
• Bluish
Custom
• Red: Increases or decreases the saturation of ’
• Green: Increases or decreases the saturation of ’
image�
• Blue: Increases or decreases the saturation of ’
disable Low Blue Light
or
’ in the image�
Red
Green
’ in the image�
Blue
Controls and
Adjustments
All input portsContrastAdjusts difference between light and dark areas
’ in the
All input ports
Input Signal
Scaling
Over Drive
This monitor can accept video signals through two different
connectors� Most desktop computers use a HDMI connector� Select
digital among OSD Controls when you use DVI connector�
- Selects HDMI
- Selects DP
Selects type of scaled image�
• Original AR: same aspect ratio with input signal�
• Full Screen: expand image to full screen�
• Respond time enhancement�
• Off
• Normal
• Exteme
Chapter 2� 2-5
Page 16
Table 2-2. OSD functions
OSD Icon on Main
Menu
Options
SubmenuDescription
Shows resolution, refresh rate, and product details�
Information
Language
Menu Position
Factory default
Accessibility
This screen offers information only, and (does) not allow for
Note:
setting changes�
Changes languages of menu�
The selected language only affects the language of the OSD�
Note:
It has no effect on any software running on the computer�
Adjusts menu location�
Default
The menu position to the default settings�
Custom
• Horizontal: Changes the horizontal position of the OSD�
• Vertical: Changes the vertical position of the OSD�
Reset all settings to the default settings�
• Cancel
• Reset
Changes button repeat rate and menu time-out setting�
Button repeat rate:
• Off
• Default
• Slow
Controls and
Adjustments
All input ports
DP select
Menu time out: Set the duration of time that the OSD will remain
active when no operation is performed�
Displayport version selection
• DP1�1
• DP1�2
Only displayport
port
Chapter 2. 2-6
Page 17
Selecting a supported display mode
The display mode of the monitor uses is controlled by the computer� Therefore, refer to your
computer documentation on how to change display modes�
The image size, position and shape might be changed when the display mode changes� This is
normal and the image can be re-adjusted using automatic image setup and the image controls�
Unlike CRT monitors, which require a high refresh rate to minimize icker, LCD or Flat Panel
technology is inherently icker-free.
If your system has previously been used with a CRT monitor and is currently congured
Note:
to a display mode outside the range of this monitor, you may need to reattach the CRT monitor
temporarily until you have re-congured the system; preferably to 1920 x 1080 at 60 Hz, which is
a common display mode�
The display modes shown below have been optimized at the factory�
Table 2-2. Factory set display modes
Address abilityRefresh rate
720 x 40070 Hz
640 x 48060 Hz、72 Hz、75 Hz
800 x 60056Hz、60 Hz、72 Hz、75 Hz
1024 x 76860 Hz、70 Hz、75 Hz
1152 x 86475 Hz
1280 x 102460 Hz、70 Hz、75 Hz
1366 x 76860 Hz
1440 x 90060 Hz
1600 x 90060 Hz
1680 x 1050 60 Hz
1920 x 1080 60 Hz
480p 60 Hz
576p 50 Hz
720p 50 Hz、60 Hz
1080p 50 Hz、60 Hz
Chapter 2� 2-7
Page 18
Understanding power management
Power management is invoked when the computer recognizes that you have not used your mouse
or keyboard for a user-denable 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 3-1. Monitor specications for type-model X24-20
CommunicationsVESA DDCCI
Interface
HDMI
HDMI
DisplayPort
Supported Display Modes
Input signal
Horizontal
addressability
Vertical addressability
Clock frequency
Interface
Input signal
Horizontal
addressability
Vertical addressability
Clock frequency
Horizontal frequency
Vertical frequency
Native Resolution1920 x 1080 at 60 Hz
, 100 ohm 0�7V
TMDS
1920 pixels (max)
�
1080 lines (max)
�
170 MHz
DisplayPort
, 100 ohm 0�7V
TMDS
1920 pixels (max)
�
1080 lines (max)
170 MHz
15 kHz - 83 kHz
50 Hz - 75 Hz
Temperature
Humidity
Operating
Storage
Shipping
Operating
Storage
Shipping
0° to 40° C (32° to 104° F)
-20° to 60° C (-4° to 140° F)
-20° to 60° C (-4° to 140° F)
10% to 80% non-condensing
5% to 95% non-condensing
5% to 95% non-condensing
Chapter 3� 3-2
Page 22
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 3-2. Troubleshooting
ProblemPossible causeSuggested actionReference
The words "Out of
Range" are shown on the
screen, and the power
indicator is ashing
green�
The image quality is
unacceptable�
The system is set to a
display mode which is
not supported by the
monitor�
The video signal cable
is not connected with
the monitor or system
completely�
The color settings may
be incorrect�
The automatic image
setup function was not
performed�
If you are replacing an
old monitor, reconnect
it and adjust the display
mode to within the
specied 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
Support Center�
Be sure the signal cable
is rmly plugged into
the system and monitor�
Select another color
setting from the OSD
menu�
Perform automatic
image setup�
"Selecting a supported
display mode"on page
2-7
"Connecting and turning
on your monitor"on
page 1-4
"Adjusting your monitor
image"on page 2-3
"Adjusting your monitor
image"on page 2-3
The power indicator is
not lit and there is no
image�
Screen is blank and
power indicator is
amber�
• The monitor’s power
switch is not switched
on�
• The power cord is
loose or disconnected�
• There is no power at
the outlet�
The monitor is in
Standby/Suspend mode�
• 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�
• Press any key on the
keyboard or move
the mouse to restore
operation�
• Check the Power
Options settings on
your computer�
"Connecting and turning
on your monitor"on
page 1-4
"Understanding power
management"on page
2-8
Chapter 3� 3-3
Page 23
Table 3-2. Troubleshooting
ProblemPossible causeSuggested actionReference
The power indicator is
amber, but there is no
image�
One or more of the
pixels appear discolored�
• Fuzzy lines in text or a
blurry image�
• Horizontal or vertical
lines through the
image�
The video signal cable
is loose or disconnected
from the system or
monitor�
The monitor brightness
and contrast are at the
lowest setting�
This is a characteristic
of the LCD technology
and is not an LCD
defect�
• Image setup has not
been optimized�
• Your system Display
Properties setting have
not been optimized�
Be sure the video cable
is connected with the
system properly�
Adjust the brightness
and contrast setting on
the OSD menu�
If there are more than
ve pixels missing,
contact the Support
Center�
Adjust the resolution
settings on your system
to match the native
resolution for this
monitor: 1920 x 1080 at
60 Hz�
Perform automatic
image setup� If
automatic image setup
does not help, perform
manual image setup�
When working in the
native resolution, you
may nd additional
improvements by
adjusting the Dots Per
Inch (DPI) setting on
your system�
"Connecting and turning
on your monitor"on
page 1-4
"Adjusting your monitor
image"on page 2-3
Appendix A�"Service
and Support"on page
A-1
"Adjusting your monitor
image"on page 2-3
"Selecting a supported
display mode"on page
2-7
See the Advanced
section of your system’s
display properties�
Manual image setup
If automatic image setup does not establish the image that you prefer, perform manual image setup�
Have your monitor powered on for about 15 minutes, until the monitor warms up�
Note:
1� Press to open the OSD menu�
2� Use or to select and press to access�
3� Use or to select manual and press to access�
4� Use or to select
5� When the image no longer looks distorted, press Enter to save the adjustments of
• Clock (pixel frequency) adjusts the number of pixels scanned by one horizontal sweep�
If the frequency is not correct, 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 light picture�
�
Phase
6� Press to leave the OSD menu�
Clock
and
Phase
adjustment�
and
Clock
Chapter 3. 3-4
Page 24
Manually installing the monitor driver
Below are steps for manually installing the monitor driver in Microsoft Windows 7, Microsoft
Windows 10�
Installing the monitor driver in Windows 7
To use the Plug and Play feature in Microsoft Windows 7, do the following:
1� Turn off the computer, 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� From the Lenovo website http://support.lenovo.com/docs/X24-20, nd the corresponding
monitor driver and download it to a PC to which this monitor is connected (such as a desktop)�
5� Open the
Sound
6� Click the
7� Click the
8� Click the
9� Click the
10� Click the
11� Click
12� Select
13� Click the
path:
X:\Monitor Drivers\Windows 7
(where X indicates "the folder in which the downloaded driver is located" (such as a desktop)�
Display Properties
icon� and then clicking the
Change the display settings
Advanced Settings
Monitor
Properties
Driver
Update Driver
Pick from the list of device driver program on the computer
Hard Disk
tab�
button�
tab�
, then click
button� By clicking the
window by clicking
Display
tab�
icon�
Browsethecomputertondthedriverprogram
icon�
Browse
Start, Control Panel
button, browse and point to the following
and
�
Hardware
and
�
14� Select the "
15� In the new window, select
16� After the installation is complete, delete all downloaded les and close all windows.
17� Restart the system� The system will automatically select the maximum refresh rate and
corresponding Color Matching Proles.
On LCD monitors, unlike CRTs, a faster refresh rate does not improve display quality�
Note:
Lenovo recommends using 1920 x 1080 at a refresh rate of 60 Hz�
X24-20�inf
" le and click the
X24-20
and click
button� Click the OK button�
Open
�
Next
Chapter 3� 3-5
Page 25
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, 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� From the Lenovo website http://support.lenovo.com/docs/X24-20, nd 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-right corner of screen, choose
Control Panel
6� Click the
7� Click the
8� Click the
9� Click the
10� Click the
11� Click
12� Select
13� Click the
14� directorySelect the "
15� In the new window, select
16� After the installation is complete, delete all downloaded les and close all windows.
17� Restart the system� The system will automatically select the maximum refresh rate and
Note:
Lenovo recommends using 1920 x 1080 at a refresh rate of 60 Hz�
Update Driver
Pick from the list of device driver program on the computer
you put your download drivers in�
navigate to the following directory corresponding Color Matching Proles.
On LCD monitors, unlike CRTs, a faster refresh rate does not improve display quality�
, then double click the icon of
Change the display settings
Advanced Settings
Monitor
Properties
Driver
Hard Disk
tab�
button�
tab�
, then click
button� By clicking the
X24-20�inf
icon�
Browsethecomputertondthedriverprogram
" le and click the
X24-20
and click
Hardware and Sound
tab�
Browse
Next
button and navigate to the directory that
Open
�
button� Click the OK button�
, and then click
�
Setting
, double click
Display
�
�
Getting further help
If you still can’t solve your problem, please contact the Lenovo Support Center� For more
information on contacting the Support Center, please see Appendix A�"Service and Support"on
page A-1
Chapter 3. 3-7
Page 26
Service information
Customer responsibilities
The warranty does not apply to a product which has been damaged due to accident, misuse, abuse,
The following are examples of misuse or abuse and not covered by warranty:
• Images burned onto the screen of a CRT monitor. Burned image is preventable by utilizing a
• Physical damage to covers, bezel, base and cables.
• Scratches or punctures on monitor screens.
Service parts
The following parts are for use by Lenovo service, or Lenovo aurthorized dealers, to supprot the
customer warranty. Parts are for service use only. The table below shows information for model
X24-20.
Table 3-3. List of service parts
moving screen saver or power management.
FRU (FIELD
REPLACEABLE UNIT)
PART NUMBER
01YY032
01YY033X24-20 DP-DP cable61BDRaven Black
01YY034X24-20 HDMI cable61BDRaven Black
01YY035X24-20 - FRU Stand & Base61BDRaven Black
54Y8998
DESCRIPTION
X24-20 - 23.8inch FRU Monitor
(HDMI)
X24-20 Power Adaptor 45W
Machine Type/Model
(MTM)
61BDRaven Black
61BDRaven Black
COLOR
Chapter 3. 3-8
Page 27
Appendix A� 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 your product� Refer to the Lenovo Limited Warranty
for a full explanation of Lenovo warranty terms�
Registering your option
Register to receive product service and support updates, as well as free and discounted computer
accessories and content� Go to:
http://www�lenovo�com/register
Online technical support
Online technical support is available during the lifetime of a product at:
http://www�lenovo�com/support
Product replacement assistance or exchange of defective components also is available during the
warranty period� In addition, if your option is installed in a Lenovo computer, you might be entitled
to service at your location� A Lenovo technical support representative can help you determine the
best alternative�
Telephone technical support
Installation and conguration support through the Customer Support Center will be available
until 90 days after the option has been withdrawn from marketing� After that time, the support is
cancelled, or made available for a fee, at Lenovo’s discretion� Additional support is also available
for a nominal fee�
Before contacting a Lenovo technical support representative, please have the following information
available: option name and number, proof of purchase, computer manufacturer, model, serial
number and manual, the exact wording of any error message, description of the problem, and the
hardware and software conguration information for your system.
Your technical support representative might want to walk you through the problem while you are
at your computer during the call�
Telephone numbers are subject to change without notice� The most up-to-date telephone list for
Lenovo Support is always available at: http://www�lenovo�com/support/phone
Country or RegionTelephone Number
Argentina
Australia
Austria
Belgium
Bolivia
0800-666-0011
(Spanish, English)
1-800-041-267
(English)
0810-100-654 (For local rate)
(German)
Warranty service and support: 02-339-36-11
(Dutch, French)
0800-10-0189
(Spanish)
Appendix A� A-1
Page 28
Country or RegionTelephone Number
Calls made from within the Sao Paulo region: 11-3889-8986
Brazil
Calls made from outside the Sao Paulo region: 0800-701-4815
(Portuguese)
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 specications 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 in specic environments and is 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 believes 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 signicantly. Somemeasurements may
have been made on development-level systems and there is no guaranteethat these measurements
will be the same on generally available systems� Furthermore, somemeasurements may have been
estimated through extrapolation� Actual results may vary� Usersof this document should verify the
applicable data for their specic environment.
Appendix B� B-1
Page 33
Recycling information
Lenovo encourages 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:
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 isthe
property of the company, you must do so in accordance with the Law for Promotion ofEffective
Utilization of Resources� Computers and monitors are categorized as industrial wasteand should
be properly disposed of by an industrial waste disposal contractor certied by alocal government.
In accordance with the Law for Promotion of Effective Utilization ofResources, 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 http://
www�lenovo�com/recycling/japan� Pursuant to the Law for Promotion of Effective Utilization of
Resources, the collecting and recycling of home-usedcomputers and monitors by the manufacturer
was begun on 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 http://www�lenovo�com/
recycling/japan�
Disposing of Lenovo computer components
Some Lenovo computer products sold in Japan may have components that contain heavymetals
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�
Following information is only for EU-member states:
The mark shown to the right is in compliance with the Waste Electrical and
Electronic Equipment Directive 2012/19/EU (WEEE) �The mark indicates
the requirement NOT to dispose the equipment as unsorted municipal
waste, but use the return and collection systems according to local law�
Appendix B� B-2
Page 34
Trademarks
The following terms are trademarks of Lenovo in the United States, other countries, or both:
Lenovo
The Lenovo logo
ThinkCenter
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�
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 B� B-3
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