Lenovo L1940 manual Troubleshooting, Problem Possible cause Suggested action Reference

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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.

Table 3-2.Troubleshooting

Problem

Possible cause

Suggested action

Reference

 

 

 

 

The words "Out

The system is set to a

If you are replacing an

“Selecting a

of Range" are

display mode which

old monitor, reconnect it

supported display

shown on the

is not supported by

and adjust the display

mode” on page 2-6

screen, and the

the monitor.

mode to within the

 

power indicator

 

specified range for your

 

is flashing green.

 

new monitor.

 

 

 

If using a Windows

 

 

 

system, restart the system

 

 

 

in safe mode, then select a

 

 

 

supported display mode

 

 

 

for your computer.

 

 

 

If these options do not

 

 

 

work, contact the Support

 

 

 

Center.

 

 

 

 

 

The image

The video signal cable

Be sure the signal cable is

“Connecting and

quality is

is not connected with

firmly plugged into the

turning on your

unacceptable.

the monitor or system

system and monitor.

monitor” on page 1-3

 

completely.

 

 

 

 

 

 

 

 

The color settings

Select another color

“Adjusting your

 

may be incorrect.

setting from the OSD

monitor image” on

 

 

menu.

page 2-3

 

 

 

 

 

The automatic image

Perform automatic image

“Adjusting your

 

setup function was

setup.

monitor image” on

 

not performed.

 

 

page 2-3

 

 

 

 

The power

• The monitor’s

• Be sure the power

“Connecting and

indictator is not

power switch is

 

cord is connected

turning on your

lit and there is

not switched on.

 

properly.

monitor” on page 1-3

no image.

• The power cord is

• Be sure the outlet has

 

 

 

 

loose or

 

power.

 

 

disconnected.

Power on the

 

 

 

 

 

• There is no power

 

monitor.

 

 

at the outlet.

Try using another

 

 

 

 

 

 

 

power cord.

 

 

 

Try using another

 

 

 

 

electrical outlet.

 

 

 

 

 

Screen is blank

The monitor is in

• Press any key on the

“Understanding

and power

Standby/Suspend

 

keyboard or move

power management”

indicator is

mode

 

the mouse to restore

on page 2-7

steady amber or

 

 

operation.

 

flashing green

 

Check the Power

 

 

 

 

 

 

 

Options settings on

 

 

 

 

your computer.

 

 

 

 

 

 

Chapter 3. 3-3

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Contents L1940 Wide Flat Panel Monitor Users Guide Product numbers First Edition JuneContents Safety information Attaching the base and handling your monitor Shipping contentsGetting started User controls Types of adjustmentsProduct overview Cable lock slot Setting up your monitorConnecting and turning on your monitor 4L1940 Wide Flat Panel Monitor User’s Guide Registering your option Positioning and viewing your monitor Adjusting and using your monitorComfort and accessibility Arranging your work area Accessibility information Quick tips for healthy work habitsAdjusting your monitor image Using the direct access controlsUsing the On-Screen Display OSD controls Direct access controlsAdjustments OSD functionsControls MenuShows resolution, refresh rate, and product details Selecting a supported display mode Factory set display modesRestoring State Power Indicator Screen Operation Compliance Understanding power managementPower indicator Caring for your monitor Detaching the monitor standReference information Monitor specificationsMonitor specifications for type-model 4434-AB1 Vesa DDC DDC-CI Problem Possible cause Suggested action Reference TroubleshootingTroubleshooting Manual image setup Manually installing the monitor driver Installing the monitor driver in Windows XP Installing the monitor driver in WindowsGetting further help Customer responsibilities Service informationProduct numbers Service parts List of service partsAppendix A. Service and Support Country or Region Telephone Number2Flat Panel Monitor User ’sGuide Appendix A. Service and Support A-3 4Flat Panel Monitor User ’sGuide Appendix B. Notices Trademarks