L2251p Wide Flat Panel Monitor
User’s Guide
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Contents
Safety information ……………………………………………………………………iii
Safety and Maintenance Guidelines ………………...…………………………………iv
Chapter 1. Getting started ……………………………….…………………………1-1
Shipping contents ………………………………………………………………………………………..… 1-1
Product overview ………………………………………………………………………………………..… 1-2
Types of adjustments ……………………………………………………………………………………... 1-2
User controls ……………………………………………………………………………………………… 1-3
Cable lock slot ……………………………………………………………………………………………. 1-4
Setting up your monitor ……………………………………………………………………………………... 1-4
Connecting and turning on your monitor ………………………………………………………………… 1-4
Registering your option ……………………………………………………………………………………... 1-8
Chapter 2. Adusting and using your monitor …………………………………………..2-1
Comfort and accessibility …………………………………………………………………………………… 2-1
Arranging your work area ………………………………………………………………………………... 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 …………………………………………………………… 2-3
Selecting a supported display mode ……………………………………………………………………….... 2-6
Understanding power management …………………………………………………………………………. 2-6
Caring for your monitor ………………………………………………………………………………………2-7
Detaching the monitor stand ………………………………………………………………………………… 2-7
Chapter 3. Reference information ………………………………………………..……..3-1
Monitor specifications ………………………………………………………………………………………..3-1
Troubleshooting ………………………………………………………………………………………………3-2
Manual Image setup ……………………………………………………………………………………….3-3
Manually installing the monitor driver …………………………………………………………………… 3-4
Service information ………………………………………………………………………………………..3-7
Appendix A. Service and Support …………………………………………..…………...A-1
Online technical support ………………………………………………………………………..……………. A-1
Telephone technical support ………………………………………………………………………..………... A-1
Worldwide telephone list …….…………………………………………………………………….……… A-1
Appendix B. Notices ………………………………………………………………….……B-1
Recycling information ……………………………………………………………………………………… B-2
Trademarks …………………………………………………………………………………………………… B-3
Turkish statement of compliance.................................. ……………………………………………………… B-4
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3AFETY INFORMATION
General Safety guidelines
For tips to help you use your computer safety, go to:
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Safety and Maintenance Guidelines
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 diable 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 labeled 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. Alternative a flexible cord be of 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 dose 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 user 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.
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Chapter 1. Getting started
This User’s Guide contains detailed information on the ThinkVision™ L2251p Wide
Flat Panel Monitor. For a quick overview, please see the Setup Poster that was
shipped with your monitor.
Shipping contents
The product package should include the following items:
●
●
●
●
●
Setup Poster
Monitor Safety, Troubleshooting, and Warranty Guide
Reference and Driver CD
Flat Panel Monitor
Power Cord
●
Analog Interface Cable- Attached to monitor
●
DP Cable
●
Cable Cover
Note: To attach a VESA mount, please see
“Detaching the monitor stand” on page 2-7.
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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.
0
30
Swivel
With the built-in pedestal, you can tilt and swivel the monitor for the most
comfortable viewing angle.
-45
45
Height Adjustment
After pressing the top of the monitor, remove the fixed pin and adjust the height of
the monitor.
110mm
1
2
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Monitor Pivot
- Adjust height to the top position before rotation the monitor.
- Rotate clockwise until the monitor stops at 90°.
User controls
Your monitor has controls on the front which are used to adjust the display.
For information on how to use these controls, please see “Adjusting your monitor
image ” on page 2-3.
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Cable lock slot
Your monitor is equipped with a cable lock slot located on the rear of your monitor
(in the lower right corner). Please follow the instructions that came with the cable
lock to attach it.
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 Monitor Safety,
Troubleshooting, and Warranty Guide before carrying out this procedure.
1. Power off your computer and all attached devices, and unplug the computer power
cord.
2.
Connect the analog signal cable to the D-SUB connector of the monitor and the
other end on the back of the computer.
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Connect one end of the DP cable to the DP connector on the back of the computer, and
the other end to the DP connector on the monitor.
3.
4. 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.
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5. Rotate the head of the monitor into portrait view.
6.
Remove the four rubbers from the stand.
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9. Replace the Cable Cover.
10. Power on the monitor and the computer.
11. To install the monitor driver, insert the Reference and Driver CD, click Install
driver, and follow the on-screen instructions.
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12. To optimize your monitor image, if using the analog cable, press the Automatic
Image Setup key. Automatic image setup requires that the monitor is warmed up for
at least 15 minutes. This is not required if you are using the DP cable.
Note: If automatic image setup does not establish the image that you prefer, perform
manual image setup. See “Manual image setup” on page 3-2.
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:
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.
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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
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 center 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:
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●
●
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.
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: The layout of your work area and
the setup of 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 office
furniture to best suit your preferences now and as your preferences change over
time.
●
Minor changes in posture can help avoid discomfort: The longer you sit and
work you’re your computer, the more important it is to observe your working
posture. Avoid as summing any one posture for an extended period of time.
Periodically make minor modifications in your posture to help deter any
discomforts that might arise. Make use of any adjustments that your office
furniture or equipment provide to accommodate changes in posture
●
Short, periodic breaks help ensure healthy computing: Because computing is
primarily a static activity, it is particularly important to take short breaks from
your work. Periodically, stand up you’re 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.
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:
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Adjusting your monitor image
This section describes the user control features used 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.
Note: The direct access controls are blue.
Table 2-1. Direct access controls
Icon
Control
Description
Input Change
Switches the video input source.
Image Setup
Brightness
Activates automatic image adjustment.
Direct access to Brightness adjustment.
Using the On-Screen Display (OSD) controls
The settings adjustable with the user controls are viewed through the On-Screen
Display (OSD), as shown below.
(picture 1)
To use the controls:
(picture 2)
1. Press
2. Use
to open the main OSD menu(picture 1).
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
Press
, then press
to save.
to select that function. Use
or
to make adjustments.
3. Press
4. Press and hold
to move backwards through the sub-menus and exit from the OSD.
for 10 seconds to lock the OSD. This will prevent accidental
adjustments to the OSD. Press and hold
and allow adjustments to the OSD.
for 10 seconds to unlock the OSD
5. Enables DDC/CI by default. Use OSD Exit Key, press and hold the
buttons for
5 seconds to disable/enable DDC/CI function. The words " DDC/CI Disable/DDC/
CI/Enable" shows on the screen.
6. Press "Exit Key" to enter the input Signal meun(picture 2) when the monitor is under
the condition of
"No sync","No Cable" or "power Saving Mode".press
or
to
choose input signal.
press "AUTOSCAN" to go back to Auto Scan mode.
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Table 2-2. OSD functions
Controls and
Adjustments
(Analog)
Controls and
Adjustments
(Digital)
OSD Icon on Main
Menu
Submenu
Brightness
Contrast
Descirption
Same as Analog
Adjusts overall brightness
Brightness/
Contrast
Adjusts difference between
light and dark areas
Control Locked-
not required for
digital input
Moves the image left or
right.
Horizontal Position
Vertical Position
Image Position
Image Setup
Moves the image up or
down
Automatically optimizes the image.
Automatic
Manual
Manually optimizes the image. See “Manual image
setup” on page 3-3
●
●
●
Clock
Phase
Save
Adjusts intensity of red, green, and blue.
Preset mode
Same as A alog
n
Color
Image Properties
●
●
Neutral
sRGB
●
●
Reddish
Bluish
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.
Save: Saves the custom color choices.
This monitor can accept video signals through two
different connectors. Most desktop computers use
a D-SUB connector. Select digital among OSD
Controls when you use DP connector.
Input Signal
- Selects D-SUB (Analog)
- Selects DP
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Table 2-2. OSD functions
Controls and
Adjustments
(Analog)
Controls and
Adjustments
(Digital)
OSD Icon on Main
Menu
Submenu
Descirption
Same as Analog
●
●
Original AR
Same Aspect Ratio with input signal.
Scaling
Full
Expand image to full screen.
Shows resolution, refresh rate, and product details.
Same as Analog
Note: This screen does not allow any changes to the
settings.
Information
Options
This section lists the languages supported by your
monitor.
Menu Language
Note: The language chosen only affects the
language of the OSD. It has no effect on any
software running on the computer.
Menu position adjusts menu location on the
screen.
Same as Analog
Menu Position
Default
Returns the menu position to the default settings.
●
●
●
Horizontal: Changes the horizontal position of
the OSD
Vertical: Changes the vertical position of the
OSD.
Save
Custom
●
●
Cancel
Reset
Factory Default
Reset monitor to original settings.
Controls button and menu settings for accessibility
preferences.
Accessibility
Button repeat rate:
Select
or
to change.
●
Off
●
●
Default
Slow
Menu time out: Sets the length of time the
OSD will remain active after the last time a button
is pressed.
Exit the main menu
Same as Analog
Exit
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Selecting a supported display mode
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 1680x1050 at 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
PAL
640x350
Refersh rate
50Hz
70Hz
640x480
640x500
60Hz,66Hz,72Hz,75Hz
58Hz
720x400
70Hz
800x600
60Hz,72Hz,75Hz
60Hz,70Hz,75Hz
75Hz
60Hz,72Hz,75Hz
60Hz
60Hz,75Hz
60Hz
60Hz,75Hz
1024x768
1152x864
1280x1024
1360x768
1440x900
1600x1000
1680x1050
Understanding power management
Power management is invoked when the computer recognizes that you have not
you’re 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.
Table2-4.Power indicator
State
Power Indicator
Screen
Restoring Operation
Compliance
On
Steady green
Normal
Standby/
Supsend
Steady amber
Blank
Press a key or move the
mouse.
There may be a slight
delay reappears.
ENERGY STAR
Note: Standby also occurs
if there is no image output
to the monitor.
Off
Off
Off
Press power key to switch ENERGY STAR
on.
There may be a slight delay
before the image reappears.
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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 NVRotate, 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.
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.
Detaching the monitor stand
After placing the monitor face down on a clean surface or soft cloth, remove the four
screws from the stand to remove it from the monitor.
Chapter 2. Adjusting and using your monitor 2-7
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Chapter 3. Reference information
This section contains monitor specifications, instructions to manually install the
monitor drover, troubleshooting information, and service information.
Monitor specifications
Table 3-1. Monitor specifications for type-model
Height
Depth
Width
367.28 mm (14.460 in)
241.20 mm (9.496 in)
506.00 mm (19.921 in)
Dimensions
Stand
Tilt range
Swivel
Lift
Range: 0°/+30°
Range: -45°, +45°
Range: 110.0 mm
Yes (clock wise 90 degree)
100 mm (3.94 in)
Pivot
Supported
VESA mount
Image
558.68 mm (22.00 in)
296.10 mm (11.66 in)
473.76 mm (18.65 in)
0.282 mm (0.011 in) (V)
Viewable image size
Maximum height
Maximum width
Pixel pitch
Supply voltage
Max supply current
100-240 VAC, 60/50
1.5 A
3 Hz
Power input
Max Consumption
Typical Consumption
Standby/Suspend
Off
<28 W
<21 W
< 1W
Power consumption
Note: Power consumption figures
are for the monitor and the
power supply combined.
< 0.5 W
Input signal
Horizontal addressability 1680 pixels (max)
Vertical addressability
Clock frequency
Analog Direct Drive, 75 ohm 0.7 V
Video input (Analog)
Video input (Digital)
1050 lines (max)
205 MHz
Interface
DP
Horizontal addressability
Vertical addressability
Clock frequency
1680 pixels (max)
1050 lines (max)
10.8Gbps (max)
Communications
Altitude Test
VESA DDC
Operation
CI
8,000 ft
Horizontal frequency
VGA: 30 kHz – 83 kHz
DP: 30 kHz – 83 kHz
50 Hz – 75 Hz
Supported Display Modes
Vertical frequency
Native Resolution
(VESA Standard modes between
noted ranges)
1680 x 1050 at 60 Hz
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)
Temperature
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Table 3-1. Monitor specifications for type-model
(continued)
10% to 80%
Operating
Storage
Humidity
5%° to 95%
5% to 95%
Shipping
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.
Table3-2.Troubleshooting
Problem
Possible cause
Suggested action
Reference
The words” Out The system is set
●
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
“Selecting a supported
display mode” on page
2-6
of Range” are
shown on the
screen, and the
to a display
mode which is
not supported
power indicator by the monitor.
is flashing green.
●
system in safe mode,
then select a supported
display mode for your
computer.
●
If these options do not
work, contact the
Customer Support
Center.
The image
quality is
unacceptable.
The video signal Be sure the signal cable is
“Connecting and turning
on your monitor” on
page 1-4
cable is not
connected with
the monitor or
system
firmly plugged into the
system and monitor.
completely.
The color
settings may be
incorrect.
Select another color setting
from the OSD menu.
“Adjusting your monitor
image” on page 2-3
The automatic
image setup
Perform automatic image
setup.
“Adjusting your monitor
image” on page 2-3
function was not
performed.
The power
●
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.
“Connecting and turning
on your monitor” on
page 1-4
indictator is not
lit and there is no
image.
Be sure the outlet has
power.
●
●
●
Power on the monitor.
Try using another
power cord.
●
●
Try using another
electrical outlet.
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Table3-2.Troubleshooting(continued)
Problem
Possible cause Suggested action
Reference
Screen is blank
and power
indicator is
steady amber or
flashing green
The monitor is in
Standby/Suspen
d mode
●
Press any key on the
keyboard or move the
mouse to restore
operation.
“Understanding power
management” on page
2-6
●
Check the Power
Options settings on
your computer.
The power
indicator is
green, but there disconnected
The video signal Be sure the video cable is
“Connecting and turning
on your monitor” on
page 1-4
cable is loose or
connected with the
system properly.
is no image.
from the system
or monitor.
The monitor
brightness and
contrast are at
the lowest
Adjust the brightness and
contrast setting on the OSD
menu.
“Adjusting your monitor
image” on page 2-3
setting.
One or more of
the pixels appear characteristic of
discolored
This is a
If there are more than
five pixels missing,
contact the Customer
Support Center.
Appendix A, “Service and
Support,” on page A-1
the LCD
technology and
is not an LCD
defect.
●
Fuzzy lines in
text or a blurry
image.
●
Image setup
Adjust the resolution
settings on your system
to match the native
resolution for this
monitor: 1680x1050 at 60
Hz.
“Adjusting your monitor
image” on page 2-3
has not been
optimized
Your system
Display
Properties
setting have
“Manual image setup”
●
●
Horizontal or
vertical lines
through the
image.
Perform automatic image
setup. If automatic image
setup does not help,
perform manual image
setup.
“Selecting a supported
display mode” on page
2-6
not been
optimized.
When working in the
native resolution, you
may find additional
improvements by
See the Advanced section
of your system’s display
properties.
adjusting the Dots Per
Inch (DPI) setting on
your system.
Manual image setup
If automatic image setup does not establish the image that you prefer, perform
manual image setup.
Note: Have your monitor powered on for about 15 minutes, until the monitor
warms up.
1. Press
2. Use
3. Use
at the bottom of the monitor to open the OSD menu.
or
or
to select
and press
to access.
to select Clock and Phase adjustment.
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●
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.
4. When the image no longer looks distorted, save the Clock and Phase
adjustments.
5. Press
to leave the OSD menu.
Manually installing the monitor driver
Below are steps for manually installing the monitor driver in Microsoft Windows 7,
Microsoft Windows Vista,Microsoft Windows XP.
Installing the monitor driver in Windows 7
To install the device driver in Microsoft® Windows 7, do the following:
Note: You must download files from the Lenovo Monitor CD to use the Plug and Play feature
in Windows 7.
1. Turn off the computer and all attached devices.
2. Ensure that the monitor is connected correctly.
3. Turn on the monitor and then the system unit. Allow your computer to start the Windows
7 operating system.
4. Open the Display Properties window by clicking Start, Control Panel
and then double-clicking the Hardware and Sound icon.
5. Click the Personalization icon.
6. Click the Display Settings icon.
7. Click the Adjust Resolution button.
8. Click the Advanced Settings button.
9. Click the Monitor tab.
10. Click the Properties button.
11. Click the Driver tab.
12. Open the "Update Driver Software-Generic PnP Monitor" window by clicking on Update Driver
and then click the "Browse my computer for driver software" button.
13. Select “Let me pick from a list of device drivers on my computer” and then click the Next button.
14. Insert the Lenovo Monitor CD into the CD drive and click the Have Disk button.
Click on the Browse button and navigate to the following directory:
X:\Monitor Drivers\ (where X is the drive letter designator for the CD-ROM drive).
15. Select the " L2251pwD.inf " file and click the Open button. Click the OK button.
16. Select L2251pwD and click Next. The files will be copied from the CD to your hard disk drive.
17. Close all open windows and remove the CD.
18. Restart the computer.
The system will automatically select the maximum refresh rate and
corresponding Color Matching Profiles.
Note: On LCD monitors, unlike CRTs, a faster refresh rate does not improve display quality. Lenovo
recommends using either 1680 x 1050 at a refresh rate of 60 Hz, or 640 x 480 at a refresh rate of 60 Hz.
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Installing the monitor driver in Windows Vista
To install the device driver in Microsoft® Windows Vista, do the following:
Note: You must download files from the Lenovo Monitor CD to use the Plug and Play feature
in Windows Vista.
1. Turn off the computer and all attached devices.
2. Ensure that the monitor is connected correctly.
3. Turn on the monitor and then the system unit. Allow your computer to start the Windows
Vista operating system.
4. Open the Display Properties window by clicking Start, Control Panel
and then double-clicking the Hardware and Sound icon.
5. Click the Personalization icon.
6. Click the Display Settings icon.
7. Click the Advanced Settings button.
8. Click the Monitor tab.
9. Click the Properties button.
10. Click the Driver tab.
11. Open the "Update Driver Software-Generic PnP Monitor" window by clicking on Update Driver
and then click the "Browse my computer for driver software" button.
12. Select “Let me pick from a list of device drivers on my computer” and then click the Next button.
13. Insert the Lenovo Monitor CD into the CD drive and click the Have Disk button.
Click on the Browse button and navigate to the following directory:
X:\Monitor Drivers\Windows Vista (where X is the drive letter designator for the CD-ROM drive).
14. Select the " L2251pwD.inf " file and click the Open button. Click the OK button.
15. Select L2251pwD and click Next. The files will be copied from the CD to your hard disk drive.
16. Close all open windows and remove the CD.
17. Restart the computer.
The system will automatically select the maximum refresh rate and
corresponding Color Matching Profiles.
Note: On LCD monitors, unlike CRTs, a faster refresh rate does not improve display quality. Lenovo
recommends using either 1680 x 1050 at a refresh rate of 60 Hz, or 640 x 480 at a refresh rate of 60 Hz.
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Installing the monitor driver in Windows XP
To use the Plug and Play feature in Windows XP, files should be loaded from the
Reference and Driver CD.
Note: This section must be completed before continuing with the Windows XP
automatic image setup.
1. Turn off the computer and all attached devices
2. Ensure that the monitor is connected correctly.
3. Turn on the monitor and then the system unit. Allow the system to boot into
Windows XP.
4. Open the Display Properties window by clicking Start Settings
Panel, and then double-clicking the Display icon.
5. Click the Setting tab.
Control
6. Click the Advanced button.
7. Clink the Monitor tab.
8. Clink the Properties button.
9. Clink the Drivers tab.
10. Open the Hardware Update Wizard window by clicking on Update Driver,
and then click Next.
11. Select Install from a list or Specific location (Advanced), and then click Next.
12. Insert the Setup CD into the CD driver, then click the Have Disk button.
13. Click on the Browse button and navigate to the following directory:
X:\Monitor Drivers\Windows XP
(where X is the drive letter designator for the CD-ROM drive).
14. Select the "L2251pwD.inf" file and click the Open button. Click the OK button.
15. Choose L2251pwD and click OK. The files will be copied
from the CD to your hard disk drive.
16. Close all open windows and remove the CD.
17. Restart the system. The system will automatically select the maximum refresh
rate and corresponding Color Matching Profiles.
Note: On LCD monitors, unlike CRTs, a faster refresh rate does not improve
display quality. Lenovo recommends using either 1680x 1050 at a refresh rate of 60
Hz, or 640x480 at a refresh rate of 60Hz.
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Getting further help
If you still can’t solve your problem, please contact the Customer Support Center.
For more information on contacting the Customer Support Center, please see
Appendix A, “Service and Support,” on page A-1.
Service information
Product numbers
The product number for your monitor is located on the side of the display bezel as
shown below.
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.
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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 2572-HD6.
Table 3-3. List of service parts
FRU (Field
Machine Type
Replaceable Unit)
Part number
Description
color
Model (MTM)
45J8743
45J7676
45J8744
L2251p Wide
FRU Monitor
Business
Black
2572-HD6
L2251p Wide
Analog cable
Business
Black
2572-HD6
L2251p Wide
Business
Black
2572-HD6
Display Port
cable
45J8745
L2251p Wide
FRU Stand and base
Business
Black
2572-HD6
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Appendix A. Service and Support
for your
The following information describes the technical support that is available
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:
Online technical support
Online technical support is available during the lifetime of a product at:
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 configuration 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 configuration 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
Support is always available at:
list for Lenovo
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Country or Region
Telephone Number
Africa
Africa: +44 (0)1475-555-055
South Africa: +27-11-3028888 and 0800110756
Central Africa: Contact the nearest Lenovo
Business Partner
Argentina
Australia
Austria
Belgium
Bolivia
0800-666-0011 (Spanish)
131-426 (English)
Warranty service and support: 01-211-454-610 (German)
Warranty service and support: 02-225-3611 (Dutch, French)
0800-10-0189 (Spanish)
Brazil
Sao Paulo region: (11) 3889-8986
Outside Sao Paulo region: 0800-701-4815
(Brazilian Portuguese)
Brunei
801-1041 (English, Bahasa Melayu)
Canada
Toronto: 416-383-3344
Outside Toronto: 1-800-565-3344
(English, French)
Chile
Toll Free: 188-800-442-488
800-361-213
(Spanish)
China
86-10-58851110
800-990-8888
(Mandarin)
China
(Hong Kong S.A.R.)
ThinkCentre® Commercial PC: 8205-0333
Multimedia Home PC: 800-938-228
(Cantonese, English, Mandarin)
China
(Macau S.A.R.)
ThinkCentre Commercial PC: 795-9892
Multimedia Home PC: 0800-336
(Cantonese, English, Mandarin)
Colombia
Costa Rica
Croatia
1-800-912-3021 (Spanish)
0-800-011-1029 (Spanish)
0800-0426
Cyprus
+357-22-841100
Czech Republic
Denmark
+420-2-7213-1316
Warranty service and support: 7010-5150 (Danish)
1-866-434-2080 (Spanish)
1-800-426911 (Spanish)
+202-35362525
Dominican Republic
Ecuador
Egypt
El Salvador
Estonia
800-6264 (Spanish)
+372 6776793
+372 66 00 800
Finland
France
Warranty service and support: +358-800-1-4260 (Finnish)
Warranty service and support (hardware): 0810-631-213
Warranty service and support (software): 0810-631-020
(French)
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Country or Region
Germany
Telephone Number
Warranty service and support: 01805-00-46-18 (German)
+30-210-680-1700
Greece
Guatemala
Honduras
1800-624-0051 (Spanish)
Tegucigalpa: 232-4222
San Pedro Sula: 552-2234
(Spanish)
Hungary
+36-1-382-5716
+36-1-382-5720
(English, Hungarian)
India
1800-425-2666
+91-80-2535-9182
(English)
Indonesia
021 5238 823
Local number only: 001-803-606-282
DID (Direct Inward Dialing): +603 8315 6859
(English, Bahasa Indonesia)
Ireland
Israel
Warranty service and support: 01-881-1444 (English)
Givat Shmuel Service Center: +972-3-531-3900
(Hebrew, English)
Italy
Warranty service and support: +39-800-820094 (Italian)
Japan
Toll Free: 0120-20-5550
International: +81-46-266-4716
The above numbers will be answered with a Japanese language voice prompt. For
telephone support in English, please wait for the Japanese voice prompt to end, and an
operator will answer. Please say ″English support please,″ and your call will be
transferred to an English-speaking operator.
PC software: 0120-558-695
Overseas calls: +81-44-200-8666
(Japanese)
Korea
1588-6782 (Korean)
+371 7070360
Latvia
Lithuania
Luxembourg
Malaysia
+370 5 278 66 00
+352-360-385-343 (French)
Local number only: 1800-88-1889
DID: +603 8315 6855
(English, Bahasa Melayu)
Malta
+35621445566
Mexico
001-866-434-2080 (Spanish)
+44 (0)1475-555-055
Middle East
Netherlands
New Zealand
Nicaragua
Norway
+31-20-514-5770 (Dutch)
0800-733-222 (English)
001-800-220-1830 (Spanish)
Warranty service and support: 8152-1550 (Norwegian)
Panama
Lenovo Customer Support Center: 001-866-434-2080 (Toll Free)
206-6047
(Spanish)
Appendix A. Service and Support A-3
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Country or Region
Peru
Telephone Number
0-800-50-866 (Spanish)
1800-1601-0033 (English, Filipino)
+48-22-878-6999 (Polski)
+351-21-892-7046 (Portuguese)
+4-021-224-4015
Philippines
Poland
Portugal
Romania
Russia
Moscow: +7-(495)-258-6300
Toll Free: +8-800-200-6300
(Russian)
Singapore
Local number only: 800-6011-343
DID: +603 8315 6859 (English)
Slovakia
Slovenia
Spain
+421-2-4954-5555
+386-1-200-50-60 (Slovenian)
91-714-7983
0901-100-000
(Spanish)
Sri Lanka
+9411 2493547
+9411 2493548
(English)
Sweden
Warranty service and support: 077-117-1040 (Swedish)
Switzerland
Warranty service and support: 0800-55-54-54
(German, French, Italian)
Taiwan
886-2-8723-9799
0800-000-700
(Mandarin)
Thailand
Local number only: 1-800-060-066
66 2273 4088
DID: +603 8315 6857 (Thai, English)
Turkey
00800-4463-2041 (Turkish)
United Kingdom
United States
Uruguay
Standard warranty support: 08705-500-900 (English)
1-800-426-7378 (English)
000-411-005-6649 (Spanish)
Venezuela
Vietnam
0-800-100-2011 (Spanish)
For Northern Area and Hanoi City:
844 3 946 2000 or 844 3 942 6457
For Southern Area and Ho Chi Minh City:
848 3 829 5160 or 844 3 942 6457
(Vietnamese, English)
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Appendix B. Notices
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
in your area. Any reference to a Lenovo
products and services currently available
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.
matter
Lenovo may have patents or pending patent applications covering subject
in this document. The furnishing of this document does not give you any
described
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
THE IMPLIED WARRANTIES OF NON-INFRINGEMENT,
TO
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
specific environments and is presented as an illustration.
The result obtained in other operating environments
document was obtained
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.
for
Any references in this publication to non-Lenovo Web sites are provided
convenience only and do not in any manner serve as an endorsement of those
of the materials for this
Web sites. The materials at those Web sites are not part
Lenovo product, and use of those Web sites is at your own risk.
Copyright Lenovo 2009.
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Any performance data contained herein was determined in a controlled
result obtained in other operating environments may
environment. Therefore, the
vary significantly. Some measurements may have been made on development-level
same on
systems and there is no guarantee that these measurements will be the
generally available systems. Furthermore, some measurements may have been
estimated through extrapolation.
results may vary. Users of this document
Actual
the applicable data for their specific environment.
should verify
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 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 www.ibm.com/jp/pc/service/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 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
www.ibm.com/jp/pc/service/recycle/personal/.
B-2
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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
monitor.
described above for collecting and recycling a disused computer or
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.
B-3
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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).
Türkiye EEE Yönetmeliğine Uygunluk Beyanı
Bu Lenovo ürünü, T.C. Çevre ve Orman Bakanlığı'nın “Elektrik ve
Elektronik Eşyalarda Bazı Zararlı Maddelerin Kullanımının
Sınırlandırılmasına Dair Yönetmelik (EEE)” direktiflerine uygundur.
EEE Yönetmeliğine Uygundur.
Lenovo and the Lenovo logo are trademarks of Lenovo in the United
States, other countries, or both.
B-4
L2251p Wide Flat Panel Monitor User’s Guide
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