Lenovo 1452DB6 manual Troubleshooting, Getting further help

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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

The USB cable

Be sure the USB cable is

quality is

is not connected

firmly plugged into the

unacceptable.

with the monitor

system and monitor.

 

or system

 

 

completely.

 

“Connecting and turning on your monitor” on page 1-3

The power indicator is not

lit and there is no image.

One or more of the pixels appear discolored

LT1421 wide monitor is turned

off when the laptop’s

There is no power at the outlet.

The USB cable is loose or disconnected with the monitor or system.

This is a characteristic of the LCD technology

and is not an LCD defect.

“igfxpers.exe”

turn off the display

Try using another electrical outlet.

Be sure the USB cable is connected properly.

If there are more than five pixels missing, contact the Customer Support Center.

Step1:Press “Winkey+R”key Step2:Input “msconfig” Step3:Select “Startup

“Connecting and turning on your monitor” on page 1-3

Appendix A, “Service and Support,” on page A-1

power supply is switched from AC to DC

Step4:You will see the column of “command”, find

C:Windows\system32\igfxpers.exe”, then uncheck it.

Step5:Press “Apply” Step6:Re-start the Notebook.

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.

3-2LT1421 Wide Flat Panel Monitor User’s Guide

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Contents LT1421 Wide Flat Panel Monitor User’s Guide Product number Contents 3AFETY Information Getting started Shipping contentsTypes of adjustments Tilt Product overviewUser controls Setting up your monitor Connecting and turning on your monitorCable lock slot 4LT1421 Wide Flat Panel Monitor User’s Guide Getting started Registering your option Positioning and viewing your monitor Adjusting and using your monitorComfort and accessibility Arranging your work areaQuick tips for healthy work habits Accessibility informationCaring for your monitor Understanding power managementReference information Monitor specificationsGetting further help TroubleshootingService information Product numbers Service partsCustomer responsibilities Windows Vista Working with LT1421 Wide USB monitorPC Requirements WindowsGraphics Card Support Windows Vista/Windows Graphics Card Support Windows XPSupported Languages Installing the Lenovo DisplayLink USB Graphics Software USB Monitor Display Information settings Setting the Display DisplayLink Icon Application Windows Vista and Windows XP Controlling the DisplayMenu Option Sub-menu Option Description Media Playback Using Multiple DisplayLink USB Graphics devicesDisconnecting the DisplayLink USB Graphics Monitor CalibrationTroubleshooting Error MessagesProblem show Worldwide telephone list Appendix A. Service and SupportOnline technical support Telephone technical supportCountry or Region Telephone Number Kazakhstan 0212 336 0366 448 825 Appendix B. Notices Recycling information Trademarks Turkish statement of compliance

1452DB6 specifications

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