Troubleshooting Without Diagnostics

 

 

 

 

 

Solving Display Problems (Continued)

 

 

 

 

 

 

 

 

Problem

Cause

Solution

 

 

 

 

 

 

High pitched noise coming

Brightness and/or

Lower brightness and/or contrast

 

from inside a flat panel

contrast settings are too

settings.

 

monitor.

high.

 

 

 

 

 

 

 

 

Fuzzy focus; streaking,

Flat panel monitor’s

1. Select the monitor’s Auto-

 

ghosting, or shadowing

internal digital

Adjustment option in the

 

effects; horizontal scrolling

conversion circuits may

monitor’s on-screen display

 

lines; faint vertical bars; or

be unable to correctly

menu.

 

unable to center the picture

interpret the output

2. Manually synchronize the Clock

 

on the screen.

synchronization of the

 

and Clock Phase on-screen

 

(flat panel monitors using

graphics card.

 

display functions. Download

 

an analog VGA input

 

 

 

SoftPaq SP20930 or SP22333,

 

connection only)

 

 

 

depending on the monitor, to

 

 

 

 

 

 

assist with the synchronization.

 

 

 

NOTE: Use the monitor model

 

 

 

number when searching for the

 

 

 

SoftPaq.

 

 

 

 

 

 

Certain typed symbols do

The font you are using

Use the Character Map to locate the

 

not appear correct.

does not support that

and select the appropriate symbol.

 

 

particular symbol.

Click Start > All Programs >

 

 

 

Accessories > System Tools >

 

 

 

Character Map. You can copy

 

 

 

the symbol from the Character Map

 

 

 

into a document.

 

 

 

 

 

Service Reference Guide, dx2200 MT

415606-001

E–11