Lenovo L190 manual English, Problem, Possible, Suggested action, Reference, cause

Models: L190

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ENGLISH

i For image problems, you may want to run Image

setup again before referring to this section. In most cases, Image setup can fix the problems. See Automatic Image setup for the computer on page 14 for details.

Problem

Possible

 

Suggested action

Reference

cause

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Screen is blank

Display mode of

Check that the video frequency

"Further

and power

the computer is

 

range is within the specified

information"

indicator is

outside the

 

range:

section on

flashing green

range of the

 

Horizontal : 30 - 83kHz

page 22.

every 0.5

monitor

 

Vertical : 55 -76Hz

 

second

 

If you replaced on old monitor,

 

 

 

 

reconnect it and adjust the

 

 

 

 

frequency range to within the

 

 

 

 

specified range.

 

 

 

 

 

 

Check Signal

The monitor is

Check that the signal cable

"Connecting

Cable

not receiving a

 

is firmly connected to the

your monitor"

message is

video signal

 

computer.

section on

shown and

 

Check that no pins are bent

page 9.

power indicator

 

 

in the signal cable connector.

 

 

 

is steady amber.

 

 

 

 

 

 

 

 

 

Image appears

There are noises

Select Image setup menu

"User

controls"

to be smeared

in the video

 

in the OSD. Then select

 

section on

 

signal

 

Manual to adjust Clock / Phase

 

 

 

settings.

page 20.

 

 

 

 

 

Image appears

The color setting

Adjust the Color settings.

"User

controls"

to be discolored

may be incorrect.

 

 

 

 

section on

 

 

 

 

 

 

 

 

page 20.

 

 

 

 

A few dots are

A small number of missing, discolored, or lighted dots may be

missing,

present on the screen, which is an intrinsic characteristic of the

discolored, or

TFT LCD technology and is not an LCD defect.

 

inappropriately

 

 

 

 

lighted.

 

 

 

 

 

 

 

 

 

25

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Lenovo L190 manual English, Problem, Possible, Suggested action, Reference, cause