LT1421 Wide Flat Panel Monitor
User’s Guide
Contents
Safety information ……………………………………………………………………iii
Chapter 1. Getting started ……………………………….…………………………1-1
Shipping contents ………………………………………………………………………………………..…1-1
Product overview ………………………………………………………………………………………..… 1-2
Types of adjustments ……………………………………………………………………………………... 1-2
User controls ……………………………………………………………………………………………… 1-2
Cable lock slot ……………………………………………………………………………………………. 1-3
Setting up your monitor ……………………………………………………………………………………... 1-3
Connecting and turning on your monitor ………………………………………………………………… 1-3
Registering your option ……………………………………………………………………………………...
1-6
Chapter 2. Adjusting 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
Understanding power management…………………………………………………………………………. 2-3
Caring for your monitor ………………………………………………………………………………………2-3
Chapter 3. Reference information ………………………………………………..……..3-1
Monitor specifications ………………………………………………………………………………………..3-1
Troubleshooting ………………………………………………………………………………………………3-2
Getting further help ... ……………………………………………………………….……………………. 3-2
Service information ……………………………………………………………………………………….. 3-3
Chapter 4. Working with LT1421 Wide USB Monitor ………….………………..….…..4-1
………………………………………………………………………………………..4-1
Driver Installation
……...…………………………………………………………4-7
USB Monitor Display Information settings
……………………………………………………………….………….………….4-10
Additional Information
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
Copyright Lenovo 2011.
ii
3AFETY INFORMATION
General Safety guidelines
For tips to help you use your computer safety, go to:
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iii
Chapter 1. Getting started
®
This User’s Guide contains detailed information on the ThinkVision LT1421 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:
●
Information Flyer
●
Reference and Driver CD
●
USB Cable
●
Protective Case or Screen Protector (Alternative)
●
Flat Panel Monitor
Copyright Lenovo 2011.
1-1
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.
User controls
Your monitor has brightness control on the back which are used to adjust the display.
1-2 LT1421 Wide Flat Panel Monitor User’s Guide
Cable lock slot
Your monitor is equipped with a cable lock slot located on the rear of your monitor
Please follow the instructions that came with the cable
lock to attach it.
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 on the computer.
Chapter 1. Getting started 1-3
2. To install the monitor driver, insert the Reference and Driver CD, click Install
driver, and follow the on-screen instructions.
For detailed Setup steps,please see " Chapter 4".
Connect the USB cable to the USB port of the back of the monitor and the other two
ends to the appropriate USB ports on your computer . How to work with LT1421 Wide
USB monitor, please see " Chapter 4".
3.
1-4 LT1421 Wide Flat Panel Monitor User’s Guide
4. Using the convertible protective case or screen protector.
A convertible protective case or a screen protector is attached to the USB monitor to help
protect it during
transportation or storage.The protective case also can be used as the stand
instead. Here is the
illustrations
as follows:
(1)
If protective case is attached:
When using:
1) Case assembly and be used as a stand:
2) Case detaching and using the monitor stand itself.
Chapter 1. Getting started 1-5
On storage or transportation:
Place the case cover to the front of the monitor.
(2)
If screen protector is attached:
The screen protector is just used to protect the screen from damage when storage or
transportation.
Screen protector assembly and detaching:
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.
1-6 LT1421 Wide Flat Panel Monitor User’s Guide
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:
Copyright Lenovo 2011.
2-1
●
●
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 in front of 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 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.
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:
2-2 LT1421 Wide Flat Panel Monitor User’s Guide
Understanding power management
Power management is invoked when the computer recognizes that you do not
use your mouse or keyboard for a user-definable period. There are several states
as described in the table below.
For optimal performance, unplug the USB cable to 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.
Table2-1.Power indicator
Power Indicator
State
Screen
Normal
Blank
Green
Off
On
Off
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.
Chapter 2. Adjusting and using your monitor
2-3
Chapter 3. Reference information
troubleshooting information, and service
This section contains monitor specifications,
information.
Monitor specifications
Table 3-1. Monitor specifications for type-model 1452-DB6,1452-DS6
Height
Depth
With
217.9 mm (8.58 in)
22.0 mm (0.87 in)
335.0mm (13.19 in)
Dimensions
Stand
Tilt range
Range: 12°~40°
Viewable image size
Maximum height
Maximum width
Pixel pitch
354.3 mm (13.95 in)
173.95 mm (6.85 in)
309.4mm (12.18 in)
Image
0.2265 mm (0.0089 in) (V)
Supply voltage
5V DC
Power input
Max supply current
1A
Max Consumption
Typical Consumption
Sleep Consumption
5W
Power consumption
Note: Power consumption figures
are for the monitor and the
power supply combined.
4.2W
<0.3W
Input signal
USB 2.0
Video input
Data rates
480Mbps(max)
Supported Display Modes
Native Resolution
1366 x 768 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
Operating
Storage
Shipping
10% to 80%
5%° to 95%
5% to 95%
Humidity
Copyright Lenovo 2011.
3-1
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 image
quality is
unacceptable.
The USB cable
is not connected firmly plugged into the
Be sure the USB cable is
“Connecting and turning
on your monitor” on
page 1-3
with
system and monitor.
the monitor
system
or
completely.
●
The power
indicator is not
“Connecting and turning
on your monitor” on
page 1-3
●
There is no
power at the
outlet.
Try using another
electrical outlet.
lit and there is
image.
no
●
●
The USB cable
Be sure the USB cable is
connected properly.
is loose or
disconnected
with
the
monitor or
system.
One or more of
the pixels
appear
This is a
characteristic
Appendix A, “Service and
Support,” on page A-1
If there are more than
five pixels missing,
contact the Customer
Support Center.
of the
LCD
technology
discolored
and is not an LCD
defect.
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.
3-2 LT1421 Wide Flat Panel Monitor User’s Guide
Service information
Product numbers
shown below.
The product number for your monitor is located on the rear of the monitor as
Customer responsibilities
accident, misuse, abuse,
The warranty does not apply to a product which has been damaged due to
improper installation, usage not in accordance with
product specifications and instructions,
unauthorized alterations, repairs or modifications.
natural or personal disaster, or
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.
Service parts
The following parts are for use by Lenovo service, or Lenovo authorized dealers, To support
shows information for
the customer warranty. Parts are for service use only. The table below
model 1452-DB6,1452-DS6.
Table 3-3. List of service parts
FRU (Field
Replaceable Unit)
Machine Type
Model (MTM)
Description
color
Part number
Raven
Black
1452-DB6
LT1421 Wide-FRU Monitor
LT1421 Wide-FRU Monitor
03X7924
Raven
Black
1452-DS6
03X7936
LT1421 Wide-FRU
Raven
Black
1452-DB6
1452-DS6
03X7925
USB cable(1.8m,RoHS)
Raven
Black
Case
LT1421 Wide-FRU
03X7926
1452-DB6
Raven
Black
Screen
LT1421 Wide-FRU
Protector
1452-DS6
03X7935
Chapter 3. Reference information 3-3
Chapter 4. Working with LT1421 Wide USB monitor
This section contains instructions to install the monitor driver and display information
settings.
Driver Installation
PC Requirements
Lenovo DisplayLink software can be used on PCs, from Netbooks, Notebooks/Laptops to Desktops. The
driver will run on processors ranging from Atom N270 based PCs, basic single Core CPUs, and of course
the latest Dual, Quad Core and Core i3/i5/i7 CPUs.
The performance of the software is dependent upon the processing power available, as well as the operating
system in use. More capable systems offer higher performance.
Lenovo DisplayLink software is available for PCs running one of the following Windows operating
systems:
Windows 7 (32-bit or 64-bit)
Windows Vista with Service Pack 1 or 2 (32-bit or 64-bit)
Windows XP Home or Professional (including Tablet edition) with Service Pack 2 or 3
Note: 64-bit editions of XP are not supported. No Windows Server editions are supported. Mac OS X
To use the Lenovo DisplayLink driver on Windows 2000, please use v5.3 of DisplayLink software.
Recommended typical system requirements are:
Windows 7
For Windows 7, the Windows Experience Index (WEI) is a useful measure of hardware level. The WEI is
accessible from Computer > Properties, or from Control Panel > System.
The recommended typical hardware requirements for the PC are:
WEI score of at least 3 in the ‘Graphics; Desktop performance for Windows Aero’ category.
Overall WEI score of at least 3 as recommended by Microsoft.
At least one USB 2.0 port.
30 megabytes (MB) of free disk space.
Computer screen for use with the Lenovo DisplayLink device, if it is not integrated.
Network access for software downloads, or access to a CD-ROM drive.
Windows Vista
For Windows Vista, the Windows Experience Index (WEI) is a useful measure of hardware level. The WEI
is accessible from Computer > Properties, or from Control Panel > System.
The recommended typical hardware requirements for the PC are:
WEI score of at least 3 in the 'Graphics; Desktop performance for Windows Aero' category.
Overall WEI score of at least 3 as recommended by Microsoft.
At least one USB 2.0 port
30 megabytes (MB) of free disk space.
Computer screen for use with the Lenovo DisplayLink device, if it is not integrated.
Network access for software downloads, or access to a CD-ROM drive.
If the PC specification is below this, performance will be lower (or CPU loading higher than acceptable).
Windows XP
For 1-2 monitors, business usage, productivity target. This may not provide full frame rate DVD
playback at full screen.
1.2GHz Single Core CPU
512MB memory
For 3 monitors where 1 could run DVD video while also targeting productivity and business apps.
Will support only 1 video of DVD resolution at full screen:
1.6GHz CPU
Copyright Lenovo 2011.
4-1
1GB memory
For 6 screens where 1 screen can run full screen DVD video:
1.8GHz Core Duo
1GB memory
At least one USB 2.0 port.
30 megabytes (MB) of free disk space.
Computer screen for use with the Lenovo DisplayLink device, if it is not integrated.
Network access for software downloads, or access to a CD-ROM drive.
Graphics Card Support (Windows Vista/Windows 7)
On Windows Vista and Windows 7, Lenovo DisplayLink software interacts closely with the primary
graphics card. Lenovo DisplayLink support and test a single graphics card (GPU) installed in a PC from all
major GPU vendors (Intel, ATI, NVidia and Via)
The following GPU configurations may exhibit compatibility issues on Windows 7 and Vista in certain
circumstances:
Switchable Graphics (ATI/Intel)
Switchable Graphics (ATI/ATI)
Switchable Graphics (NVIDIA/Intel)
NVIDIA SLI in SLI mode
Other GPU configurations, including the following, are currently unsupported and will not function on
Windows 7/Vista:
Hybrid Graphics
Hybrid SLI
Hybrid Crossfire
Crossfire
SLI not in SLI mode
Multiple WDDM 1.1 graphics drivers active at once
Graphics Card Support (Windows XP)
All graphics cards are supported on Windows XP.
Supported Languages
The following languages are supported in version 5.4, on all supported operating systems:
Arabic
Bahasa Indonesian
Bulgarian
Chinese (Traditional)
Chinese (Simplified)
Croatian
Czech
Danish
Dutch
English
Finnish
French
Greek
German
Hungarian
Italian
Japanese
Korean
Norwegian
Polish
Portuguese
Russian
Slovak
4-2 LT1421 Wide Flat Panel Monitor User’s Guide
Slovenian
Spanish
Swedish
Turkish
Unsupported languages default to English.
Installing the Lenovo DisplayLink USB Graphics Software
The following section shows you how to install the DisplayLink USB Graphics software on different
operating systems.
Note: If you have v3.x, R4.1 or R4.2 DisplayLink software installed you must uninstall it, using the
Windows Add/Remove Programs feature, before installing this release. Devices will continue working after
this release is installed.
To Install the Lenovo DisplayLink USB Graphics on Windows 7
The preferred method of installation is using Window 7’s Windows Update facility.
1. Connect your Lenovo DisplayLink device via the USB cable to your PC.
Windows detects the new hardware and automatically downloads the driver.
2. Once downloaded, the install will run
The Lenovo DisplayLink software end user licence agreement window opens.
3. Click I Accept.
The DisplayLink Core software installs
Note: The screen may flash or go black during the install.
Alternatively you may install the software from a website download or CD-ROM:
Important! Do not connect a DisplayLink device/screen to your PC before the install.
1. Insert the reference and driver CD into your CD drive,the CD will run automatically.
2. Click Install drivers.(Please Click allow or execute if the warning Window appears).
The DisplayLink software end user licence agreement window opens.
3. Click I Accept.
DisplayLink Core software and Lenovo Display Adapter installs.
Note: The screen may flash or go black during the install.
No message will be shown at the end of the install.
4. Connect your DisplayLink device via the USB cable to your PC.
Installing device driver message
The Windows User Account Control window opens.
5. Click Yes.
DisplayLink automatically installs the device.
The DisplayLink software end user licence agreement window opens (see above).
6. Click I Accept.
The DisplayLink USB Graphics software installs, without notification that it has completed.
Note: On some machines you may need to reboot before you can use your DisplayLink enabled device.
To Install the Lenovo DisplayLink USB Graphics on Windows Vista
Important! Do not connect a DisplayLink device/screen to your PC before the install.
1. Insert the reference and driver CD into your CD drive,the CD will run automatically.
2. Click Install drivers.(Please Click allow or execute if the warning Window appears).
The DisplayLink software end user licence agreement window opens.
3. Click I Accept.
DisplayLink Core software and Lenovo Display Adapter installs.
Chapter 4. Working with LT1421 Wide USB Monitor 4-3
Note: The screen may flash or go black during the install.
No message will be shown at the end of the install.
4. Connect your DisplayLink device via the USB cable to your PC.
Installing device driver message
The Windows User Account Control window opens.
5. Click Yes.
DisplayLink automatically installs the device.
The DisplayLink software end user licence agreement window opens (see above).
6. Click I Accept.
The DisplayLink USB Graphics software installs, without notification that it has completed.
Note: On some machines you may need to reboot before you can use your DisplayLink
enabled device.
To Install the Lenovo DisplayLink USB Graphics on Windows XP
Important! Do not connect a DisplayLink device/screen to your PC before the install.
1. Insert the reference and driver CD into your CD drive,the CD will run automatically.
2. Click Install drivers.(Please Click allow or execute if the warning Window appears).
The DisplayLink software end user licence agreement window opens.
3.
Click I Accept.
DisplayLink Core software and Lenovo Display Adapter installs.
Note: The screen may flash or go black during the install.
Connect your DisplayLink device via the USB cable to your PC.
4.
Windows installs the DisplayLink device.
Note: The screen may flash or go black during the install.
USB Monitor Display Information settings
The language shown in pictures below is decided by your
to English)
(Unsupported languages default
operating system :
Using the DisplayLink Software
This section describes how to use DisplayLink’s Software. The section is divided into sub-sections relating
to your operating system.
Note: The terminology for mirror mode, can vary between operating systems and the DisplayLink GUI. The
terms “Clone”, “Mirror” and “Duplicate” essentially all provide the same function of cloning the pixels
from one display to another.
Windows 7 - Controlling the Display
On Windows 7, you can configure a DisplayLink device through the use of Windows Display Properties
(WDP). WDP provides a simple method to attach, rotate, duplicate or extend screens as well as modify
screen resolution.
To open WDP
1. Right click on the DisplayLink icon
2. Click Advanced Configuration.
3. WDP opens.
.
4-4 LT1421 Wide Flat Panel Monitor User’s Guide
Setting the Display
Follow this procedure to set the display.
To set the display
1. Open Screen Resolution.
2. Set the display options. Refer to the table below for details on each option.
Table 4-1. WDP Options
Menu
Sub-Menu
Description
Display
Use the drop down list to select a
display to be configured.
Use the drop down list and user
the slider to choose a resolution.
Sets the display to landscape
view.
Resolution
Orientation
Landscape
Portrait
Landscape (flipped)
Sets the display to portrait mode.
Sets the display to upside down
landscape mode.
Portrait (flipped)
Sets the display to upside down
portrait mode.
Multiple displays
Duplicates these displays
Extend these displays
Show Desktop only on 1
Reproduces the main display on
the second display.
Extends the main display onto
the secondary display.
The desktop appears on the
display marked 1. The display
marked 2 becomes blank.
Shows Desktop only on 2 The desktop appears on the
display marked 2. The display
marked 1 becomes blank.
To control the behaviour of an attached DisplayLink display, it is also possible to use Windows Key+P to
display a menu (and cycle through it) to switch mode.
To control the Display
1. Select the Windows Key+P.
Chapter 4. Working with LT1421 Wide USB Monitor 4-5
The following menu appears.
2. Click on one of the options.
The display updates to reflect your choice.
The DisplayLink Icon Application
You can configure the behaviour of the DisplayLink USB Graphics through the DisplayLink icon
application on the taskbar, where present.
To show the DisplayLink Manager menu
1. From the taskbar, click the Show hidden icons arrow to show all available icons.
2. Click the DisplayLink icon
.
A menu appears with several options, as described in the following table.
Table 4-2 DisplayLink menu
Menu
Description
Check for updates
Connects to the Windows Update and checks for
newer versions and downloads them, if available.
Select this option for better movie playback
performance on the DisplayLink enabled displays.
Only select this option when playing back video
content.
Optimize for Video
Advanced
Note: Text may appear less clear when enabled.
Configuration
Opens the Windows Display Properties (WDP)
Windows Vista and Windows XP – Controlling the Display
When devices are attached, an icon appears in the taskbar. This gives you access to the DisplayLink
manager menu.
To use the DisplayLink Manager Menu
1. Click the DisplayLink icon
on the taskbar.
The menu appears as shown below.
4-6 LT1421 Wide Flat Panel Monitor User’s Guide
2. Select an option from the menu, using the following table for the options available.
Table 4-3 DisplayLink menu
Menu Option
Sub-menu Option
Description
Screen Resolution
Displays a list of available resolutions. Some
resolutions may be enclosed by [ ]. Please
see, Inferred Modes.
Screen Rotation
Normal
No rotation is applied to the DisplayLink
display
Rotated Left
Rotated Right
Upside-Down
Right
Rotates the extended or mirrored display by
270 degrees.
Rotates the extended or mirrored display by
90 degrees.
Rotates the extended or mirrored display by
180 degrees.
Extends the display to the right of the main
display.
Extend To
Left
Extends the display to the left of the main
display.
Above
Extends the display above of the main
display.
Below
Extends the display below the main display.
Extends your desktop onto the secondary
display.
Extend
Set as Main Monitor
Notebook Monitor Off
Sets the secondary display as the main
display.
Switches off the display of an attached
notebook and makes the DisplayLink display
primary.
Mirror
Off
Copies what is on the main display and
reproduces it on the secondary display.
Switches off the secondary display.
Optimize for Video
(Vista and Windows 7
Only)
Configures the secondary display for
optimum full screen video performance
output.
Note: Text may appear less clear.
Advanced
Opens the Display Settings window.
Configuration
Chapter 4. Working with LT1421 Wide USB Monitor 4-7
Additional Information
The following section provides additional information on the use of the DisplayLink USB Graphics
software.
Monitor Calibration
DDC/CI is not supported on displays with integrated DisplayLink technology, for example mini monitors.
Media Playback
On Windows 7, Vista and Windows XP (in extend modes), the DisplayLink USB Graphics device can
display media files and DVDs using the following media players:
Windows Media Player 11 (http://www.microsoft.com/windows/windowsmedia/default.mspx)
WinDVD 8 (www.intervideo.com)
PowerDVD 7 (www.cyberlink.com)
RealPlayer 11 (www.real.com)
The DisplayLink USB Graphics device can display media files and DVDs using most media players. Media
playback in mirror mode (XP) or in Basic mode (Vista and Windows 7) is not recommended.
Using Multiple DisplayLink USB Graphics devices
The software supports up to six simultaneously USB attached screens. It is also possible that different sets
of screens are being used at different times, for example two in the office and two at home. The software
saves each screen’s display profile separately. This allows for different physical positioning, or different
resolutions, of connected monitors in the office and the home.
Standby and Hibernate, Shut down and Restart
If the PC that the DisplayLink USB Graphics device is connected to is placed into standby or hibernate
mode, the display goes blank. When the PC is again powered up (and unlocked if necessary) the connected
monitor returns to the same mode as it was before stand by or hibernation.
If the PC is shut down, restarted and logged in, again the connected display returns to the same mode as it
was before shutdown.
DisplayLink USB Graphics with Multiple Users
DisplayLink USB Graphics work with multiple users on the PC. The mode settings are saved for each user
so each can use their own desktop configuration.
Disconnecting the DisplayLink USB Graphics
If the DisplayLink USB Graphics device is powered off or the USB cable is removed from the computer,
the display blanks. All windows and icons move to the primary screen.
On reconnection or powering up of the DisplayLink USB Graphics device, the display returns to the same
mode as it was before disconnection. However, windows and icons that were previously on the screen will
not be moved back.
4-8 LT1421 Wide Flat Panel Monitor User’s Guide
Error Messages
DisplayLink USB Graphics software occasionally displays user messages in a bubble in the notification
area. The table below lists the user messages and their description.
Table 4-4 DisplayLink menu
Message
Description
Insufficient system resources exist to complete the
requested service
This can occur when entering extend mode with
low system resources. The PC does not have
enough memory to start an extend display.
Close down any unused applications. The situation
may also be improved by rebooting the PC.
This can occur if trying to mirror a primary display
with a resolution above 2300x1700 (4:3) or
2600x1500 (16:9).
The requested allocation size
was too large
Incompatible Display Driver
This message will appear if the primary graphics
card drivers installed are not WDDM compatible.
Windows 7 is not designed to operate without
WDDM drivers. Download and install the latest
Windows 7 (WDDM) drivers for your primary
graphics card.
The system cannot write to the
specified device
This warning may be displayed in Windows XP
after changing the display mode several times (e.g.
Extend/Dock mode) from the DisplayLink GUI. If
this happens, detach and reattach the device to
restore normal operation.
Troubleshooting
This section provides tips for correcting problems, should any occur. It also describes how to contact
Lenovo should you encounter problems that you cannot resolve.
Before you call Lenovo, please read the troubleshooting advice in this manual and in your computer
User's Manual. You may also want to consult with your system administrator or company technical support
staff.
Precautions for Microsoft® Windows®
This product does not support 3D programs or Blue-Ray Disk.
Due to the configurations of computers and Windows® operating systems available, functionality
may differ slightly than stated in the user manual. This may be due to thecomputer manufacture's
BIOS and other custom configurationsof the hardware, pre-installed software or operating system
installed at time of production. If you have specific problems, you may need to contact the
computer manufacturer to inquireabout BIOS, hardware driver or operating system updates.
The Fn + F5 functionality detailed in the electronic User's Guide for your Lenovo computer only
controls the internal video controller of your computer.
The Lenovo LT1421 Wide USB Monitor utilizes an advanced video graphics controller to display
the video. However, due to USB 2.0 transfer speed limitations, some or all portions of DVD
playback may appear slow or choppy. This is not a malfunction of the Lenovo LT1421 Wide USB
monitor. Move the video playback from the Lenovo LT1421 Wide USB monitor to your computer
display for optimal video performance when viewing DVDs.
On Windows® XP systems, DVDs may not display correctly on the Lenovo LT1421 Wide USB
monitor. Use your computer's built-in monitor to view DVDs.
Chapter 4. Working with LT1421 Wide USB Monitor 4-9
In some software application programs that utilize certain direct draw commands such as some
2D-Games, the display on the Lenovo LT1421 Wide USB monitor will not be supported. If you
want to play these games in full screen, we suggest you disconnect the Lenovo LT1421 Wide USB
monitor.
This product is unable to enter full screen DOS mode when using the Lenovo LT1421 Wide USB
monitor.
Problem show
Problem
Solution(s)
Check the connections. Make sure
the USB cable is firmly connected
to the monitor.
The monitor does not turn on
Disconnect and reconnect the USB
cable.
Check the condition of the USB
cable. If the cable is frayed or
damaged, replace the cable. If the
connectors are soiled, wipe them
with a clean cloth.
Make sure the USB cable is
properly connected to the
computer.
The screen is blank, although
the power is on
Make sure the computer is on and
working. The computer may be in
sleep or power-saving mode, or
displaying a blank screen saver.
Move the mouse to "wake up" the
computer.
Move electrical devices that may
cause electrical interference away
from the monitor.
The picture "bounces" or moves
in a wave-like pattern
Minor issues can generally be resolved by:
unplugging and re-plugging the DisplayLink device,
changing the display mode via the DisplayLink GUI, or,
changing the display mode via Windows Display Properties.
On Windows 7/Vista WDDM (Aero and Basic)
DisplayLink software works closely with the graphics card and there may be interoperability issues
with some graphics cards. If this happens:
1. Try to upgrade to the latest graphics drivers.
2. Try to upgrade to latest DisplayLink software.
3. Report the issue via your support channel.
4. If necessary, boot into Safe Mode and use Windows' Backup and Restore Center to recover.
4-10 LT1421 Wide Flat Panel Monitor User’s Guide
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 the product. Refer to
your Lenovo Statement of Limited Warranty for a fully 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 life of your product through the
Lenovo Support Web site at
DocID=MIGR-50454
Product replacement assistance or exchange of defective components also is available
during the warranty period, assistance for replacement or exchange of defective
components is available. In addition, if your option is installed in a Lenovo
computer, you might be entitled to service at your location. Your technical support
representative can help you determine the best alternative.
Telephone technical support
Installation and configuration support through the Customer Support Center will
be withdrawn or made available for a fee, at Lenovo’s discretion, 90 days after the
option has been withdrawn from marketing, Additional support offerings,
including step-by-step installation assistance, are available for a nominal fee.
To assist the technical support representative, have available as much of the
following information as possible:
●
●
●
●
●
●
●
Option name
Option number
Proof of purchase
Computer manufacturer, model, serial number, and manual
Exact wording of the error message (if any)
Description of the problem
Hardware and software configuration information for your system
If possible, be at your computer. Your technical support representative might want
to walk you through the problem during the call.
Worldwide telephone list
Phone numbers are subject to change without notice. For the most current phone
Copyright Lenovo 2011.
A-1
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)
LT1421 Wide Flat Panel Monitor User’s Guide
A-2
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
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)
LT1421 Wide Flat Panel Monitor User’s Guide
A-4
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 2011.
B-1
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
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
LT1421 Wide Flat Panel Monitor User’s Guide
B-2
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
Copyright Lenovo 2011.
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.
LT1421 Wide Flat Panel Monitor User’s Guide
B-4
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