Troubleshooting Without Diagnostics

Solving Display Problems (Continued)

Problem

Cause

Solution

Fuzzy focus; streaking,

Flat panel monitor’s

ghosting, or shadowing

internal digital

effects; horizontal scrolling

conversion circuits may

lines; faint vertical bars; or

be unable to correctly

unable to center the picture

interpret the output

on the screen.

synchronization of the

(flat panel monitors using

graphics card.

an analog VGA input

 

connection only)

 

1.Select the monitor’s Auto-Adjustment option in the monitor’s on-screen display menu.

2.Manually synchronize the Clock and Clock Phase on-screen display functions. To download a SoftPaq that will assist you with the synchronization, go to the following Web site, select the appropriate monitor, and download either SP20930 or SP22333: www.hp.com/support

Graphics card is not seated properly or is bad.

1.Reseat the graphics card.

2.Replace the graphics card.

Certain typed symbols do

The font you are using

not appear correct.

does not support that

 

particular symbol.

Use the Character Map to locate the and select the appropriate symbol. Click Start > All Programs >

Accessories > System Tools > Character Map. You can copy the symbol from the Character Map into a document.

Troubleshooting Guide

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