Table 3-2.Troubleshooting

 

Problem

 

Possible cause

Suggested action

Reference

 

 

 

 

The power

The video signal cable

Be sure the video cable is

"Connecting and

indicator is amber,

is loose or disconnected

connected with the system

turning on your

but there is no

from the system or

properly.

monitor"on page 1-6

image.

monitor.

 

 

 

 

 

 

 

 

 

The monitor brightness

Adjust the brightness and

"Adjusting your

 

 

and contrast are at the

contrast setting on the OSD

monitor image"on page

 

 

lowest setting.

menu.

2-3

 

 

 

 

One or more of the

This is a characteristic

If there are more than five

Appendix A."Service

pixels appear

of the LCD technology

pixels missing, contact the

and Support"on page

discolored.

and is not an LCD

Support Center.

A-1

 

 

defect.

 

 

 

 

 

 

 

 

Fuzzy lines in

Image setup has not

Adjust the resolution

"Adjusting your

 

text or a

 

been optimized.

settings on your system to

monitor image"on page

 

blurry image.

Your system

match the native resolution

2-3

 

 

for this monitor: 1600 x 900

 

Horizontal or

 

Display Properties

 

 

at 60 Hz.

 

 

vertical lines

 

setting have not

 

 

 

 

 

 

through the

 

been optimized.

Perform automatic image

"Selecting a supported

 

image.

 

 

setup. If automatic image

display mode"on page

 

 

 

 

setup does not help, perform

2-8

 

 

 

 

manual image setup.

 

 

 

 

 

 

 

 

 

 

 

When working in the native

See the Advanced

 

 

 

 

resolution, you may find

section of your

 

 

 

 

additional improvements by

system’s display

 

 

 

 

adjusting the Dots Per Inch

properties.

 

 

 

 

(DPI) setting on your

 

 

 

 

 

system.

 

 

 

 

 

 

 

Manual image setup

If automatic image setup does not establish the image that you prefer, perform manual image setup.(For analog [VGA] only)

Note: Have your monitor powered on for about 15 minutes, until the monitor warms up.

1. Press

to open the OSD menu.

2.Use or to select and press to access.

3.Use or to select and press to access.

4.Use or to select Clock or Phase adjustment.

Clock: (pixel frequency) adjusts the number of pixels scanned by one horizontal sweep. If the frequency is not correct, the screen shows vertical stripes and the picture does not have the correct width.

Phase: adjusts the phase of the pixel clock signal. With a wrong phase adjustment, the picture has horizontal disturbances in light picture.

5.When the image no longer looks distorted, select Save to save the adjustments of Clock and Phase.

6.Press to leave the OSD menu.

Chapter 3. 3-4

Page 31
Image 31
Lenovo LT2013P manual Manual image setup