Lenovo L2440p, 4420HB2 manual Manual image setup

Problem

Possible cause

Suggested action

Reference

Screen is

The monitor is in

·

Press any key on the

"Understanding power

blank and

Standby/Suspend

keyboard or move the mouse

management" on Page

power

mode

·

to restore operation.

2-7

indicator is

Check the Power Options

steady amber

settings on your computer.

or flashing

green

The power

The video signal cable

Be sure the video cable is

"Connecting and turning

indicator is

is loose or

connected with the system

on your monitor" on

green, but

disconnected from the

properly.

Page 1-4

there is no

system or monitor.

image.

The monitor brightness

Adjust the brightness and

"Adjusting your monitor

and contrast are at the

contrast setting on the OSD

image" on page 2-3

lowest setting.

menu.

One or more

This is a characteristic

If there are more than five pixels

Appendix A, "Service

of the pixels

of the LCD technology

missing, contact the Lenovo

and Support," on page

appear

and is not an LCD

Support Center.

A-1

discolored

defect.

·

Fuzzy lines

·

Image setup has not

Adjust the resolution settings on

"Adjusting your monitor

in text or a

been optimized

your system to match the native

image" on page 2-3

blurry

Your system

resolution for this monitor: 1920

image.

·

Display Properties

x1200 at 60 Hz.

"Manual image setup"

·

Horizontal

setting have not

Perform automatic image setup.

"Selecting a supported

or vertical

been optimized.

If automatic image setup does

display mode" on page

lines

not help, perform manual image

2-6

through the

setup.

image.

When working in the native

See the Advanced

resolution, you may find

section of your systems

additional improvements by

display properties.

adjusting the Dots Per Inch

(DPI) setting on your system.