Troubleshooting Without Diagnostics

Solving Display Problems (Continued)

Problem

Cause

Solution

 

 

 

Blurry video or requested

Monitor is not capable

Change requested resolution.

resolution cannot be set.

of displaying requested

 

(continued)

resolution.

 

 

Graphics card is bad.

Replace the graphics card.

 

 

 

The picture is broken up,

The monitor

1. Be sure the monitor cable is

rolls, jitters, or flashes.

connections may be

securely connected to the

 

incomplete or the

computer.

 

monitor may be

2. In a two-monitor system or if

 

incorrectly adjusted.

 

another monitor is in close

 

 

 

 

proximity, be sure the monitors

 

 

are not interfering with each

 

 

other’s electromagnetic field by

 

 

moving them apart.

 

 

3. Fluorescent lights or fans may

 

 

be too close to the monitor.

 

 

 

 

Monitor needs to be

Degauss the monitor. Refer to the

 

degaussed.

documentation that came with the

 

 

monitor for instructions.

 

 

 

Vibrating or rattling noise

Monitor degaussing

None. It is normal for the

coming from inside a CRT

coil has been activated.

degaussing coil to be activated

monitor when powered on.

 

when the monitor is powered on.

 

 

 

Clicking noise coming from

Electronic relays have

None. It is normal for some

inside a CRT monitor.

been activated inside

monitors to make a clicking noise

 

the monitor.

when turned on and off, when

 

 

going in and out of standby mode,

 

 

and when changing resolutions.

 

 

 

High pitched noise coming

Brightness and/or

Lower brightness and/or contrast

from inside a flat panel

contrast settings are too

settings.

monitor.

high.

 

 

 

 

2–22

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Troubleshooting Guide

Page 38
Image 38
HP dx5150 manual Solving Display Problems

dx5150 specifications

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