HP Compaq Business Desktop dx2000 Informations techniques télécharger pdf (Page 85)

Service Reference Guide, dx2000 uT 359782-002 D–11

Troubleshooting Without Diagnostics

Clicking noise coming from

inside a CRT monitor.

Electronic relays have

been activated inside

the monitor.

None. It is normal for some

monitors to make a clicking noise

when turned on and off, when

going in and out of standby mode,

and when changing resolutions.

High pitched noise coming

from inside a flat panel

monitor.

Brightness and/or

contrast settings are too

high.

Lower brightness and/or contrast

settings.

Fuzzy focus; streaking,

ghosting, or shadowing

effects; horizontal scrolling

lines; faint vertical bars; or

unable to center the picture

on the screen.

(flat panel monitors using

an analog VGA input

connection only)

Flat panel monitor’s

internal digital

conversion circuits may

be unable to correctly

interpret the output

synchronization of the

graphics card.

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. Download

SoftPaq SP20930 or SP22333,

depending on the monitor, to

assist with the synchronization.

Certain typed symbols do

not appear correct.

The font you are using

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.

Solving Display Problems (Continued)

Problem Cause Solution

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HP Compaq Business Desktop dx2000 Informations techniques Page 85

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