Lenovo 2572MB1 manual Manual image setup

Page 28

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

is loose or

connected with the

turning on your

amber, but there

disconnected from the

system properly.

monitor"on page 1-5

is no image.

system or monitor.

 

 

 

 

 

 

 

 

 

The monitor

Adjust the brightness and

"Adjusting your

 

 

brightness and

contrast setting on the

monitor image"on

 

 

contrast are at the

OSD menu.

page 2-3

 

 

lowest setting.

 

 

 

 

 

 

One or more of

This is a characteristic

If there are more than five

Appendix A."Service

the pixels appear

of the LCD

pixels missing, contact

and Support"on page

discolored.

technology and is not

the Support Center.

A-1

 

 

an LCD defect.

 

 

 

 

 

 

 

 

•

Fuzzy lines

•

Image setup has

Adjust the resolution

"Adjusting your

 

in text or a

 

not been

settings on your system

monitor image"on

 

blurry

 

optimized.

to match the native

page 2-3

 

image.

•

Your system

resolution for this

 

•

Horizontal

monitor: 1680 x 1050 at 60

 

 

Display

 

 

Hz.

 

 

or vertical

 

Properties setting

 

 

lines

 

have not been

Perform automatic image

"Selecting a

 

through the

 

optimized.

setup. If automatic image

supported display

 

image.

 

 

setup does not help,

mode"on page 2-7

 

 

 

 

perform manual image

 

 

 

 

 

setup.

 

 

 

 

 

 

 

 

 

 

 

When working in the

See the Advanced

 

 

 

 

native resolution, you

section of your

 

 

 

 

may find additional

system’s display

 

 

 

 

improvements by

properties.

 

 

 

 

adjusting the Dots Per

 

 

 

 

 

Inch (DPI) setting on your

 

 

 

 

 

system.

 

 

 

 

 

 

 

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.

3.Use or to select manual and press to access.

4.Use or to select Clock and 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, save the Clock and Phase adjustments.

6.Press to leave the OSD menu.

Chapter 3. 3-4

Page 27 Page 29
Image 28
Page 27 Page 29
Contents LT2252p Wide Flat Panel Monitor User’s Guide Product numbers Contents Safety information General Safety guidelinesShipping contents Getting startedProduct overview Types of adjustments TiltSwivel Monitor Pivot Height AdjustmentMonitor controls Cable lock slot Setting up your monitor Connecting and turning on your monitorPage Page LT2252p Registering your option Comfort and accessibility Arranging your work area Positioning your monitorAccessibility information Quick tips for healthy work habitsAdjusting your monitor image Using the direct access controlsUsing the On-Screen Display OSD controls OSD functions Exit Selecting a supported display mode Timing Refresh rateHzImage rotation Understanding power management Restoring State Power Indicator Screen Operation ComplianceDetaching the monitor base and stand Caring for your monitorWall Mounting Optional Vesa hole Monitor specifications Reference informationDVI Troubleshooting Problem Possible cause Suggested action ReferenceManual image setup Manually installing the monitor driver Installing the monitor driver in WindowsInstalling the monitor driver in Windows Vista Getting further help Service information Customer responsibilities Service partsRegistering your option Online technical support Telephone technical supportCountry or Region Telephone Number Country or Region Telephone Number Appendix A. A-4 Appendix B. Notices Recycling information Trademarks

2572MB1 specifications

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