Lenovo L2440X User Manual download pdf (Page 28)

Table 3-2. Troubleshooting (continued)

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 at the bottom of the monitor to open the OSD menu.

2. Use or to select and press to access.

Proble m Possible cause Sugge s te d action Re fe rence

Screen is

blank and

power

indicato r is

steady amber

or flashing

green

The mo nitor is in

Standby/Suspend

mode

Press any key on the

keyboard or move the mouse

to restore operation.

Check the Power Options

settings on your computer.

"Understanding power

management" on Page

2-7

The power

indicato r is

green, but

there is no

image.

The video signal cable

is loose or

disconnected from the

system or monitor.

Be sure the video cable is

connected with the system

properly.

"Connecting and turning

on your monitor" on

Page 1-4

The monitor brightness

and contrast are at the

lowest setting.

Adjust the brightness and

contrast setting on the OSD

menu.

"Adjusting your monitor

image" on page 2-3

One or more

of the pixels

appear

discolored

This is a characteristic

of the LCD technology

and is not an LCD

defect.

If there are more than five pixels

missing, contact the IBM

Support Center.

Appendix A, "Service

and Support," on page

A-1

Fuzzy lines

in text or a

blurry

image.

Horizontal

or vertical

lines

through the

image.

Image setup has not

been optimized

Yo ur s y s t e m

Display Properties

setting have not

been optimized.

Adjust the resolution settings on

your system to match the native

resolution for this monitor: 1024

x 768 at 60 Hz.

"Adjusting your monitor

image" on page 2-3

"Manual image setup"

Perform automatic image setup.

If automatic image setup does

not help, perform manual image

setup.

"Selecting a supported

display mode" on page

2-6

When working in the native

resolution, you may find

additional improvements by

adjusting the Dots Per Inch

(DPI) setting on your system.

See the Advanced

section of your systems

display properties.

3-4 L2440x Wide Flat Panel Monitor User’s Guide

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x1200

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