HP Z200 Specifications download pdf (Page 143)

Problem Cause Solution

The display works properly during

the POST but goes blank when the

operating system starts.

The display settings in the

operating system are

incompatible with your

graphics card and monitor.

1. For Windows, restart your computer in VGA mode.

2. After the operating system starts, change the display

settings to match those supported by your graphics

card and monitor.

3. Refer to your operating system and graphics card

documentation for information about changing display

settings.

Power LED flashes red 6 times

(once every second), followed by a

2–second pause, and then the

computer beeps 6 times.

Prevideo graphics error. For systems with a graphics card:

1. Reseat the graphics card.

2. If the card requires external power, make sure the

power cable is properly connected.

3. Replace the graphics card.

4. Replace the system board.

Monitor does not function when

used with Energy Saver features.

Monitor without Energy Saver

capabilities is being used with

Energy Saver features

enabled.

Disable the monitor Energy Saver feature.

Dim characters The brightness and contrast

controls are not set properly.

Adjust the monitor brightness and contrast controls.

Cables are not properly

connected.

Verify that the graphics cable is connected to the graphics

card and the monitor.

Blurry video or requested

resolution cannot be set.

If the graphics controller was

upgraded, the correct video

drivers might not be loaded.

Install the video drivers included in the upgrade kit, or

download and install the latest drivers for your graphics

card from

http://welcome.hp.com/country/us/en/

support.html.

Monitor cannot display

requested resolution.

Change the requested resolution.

The picture is broken up, rolls,

jitters, or flashes.

The monitor connections might

be faulty, or the monitor might

be incorrectly adjusted.

1. Be sure the monitor cable is securely connected to the

computer.

2. In a multiple CRT monitor system, ensure that the

monitors' electromagnetic fields are not interfering

with each other . Move them apart if necessary.

3. Move fluorescent lights or fans that are too close to

the CRT monitor.

Monitor must be degaussed. Degauss the monitor.

Vibrating or rattling noise coming

from inside a CRT monitor when

powered on.

Monitor degaussing coil has

been activated.

None. It is normal for the degaussing coil to be activated

when the monitor is powered on.

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 contrast

settings are too high.

Lower brightness and contrast settings.

Table 6-4 Display problems (continued)

ENWW Troubleshooting scenarios and solutions 131

1 ... 142 143 144 ... 192

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HP Z200 Specifications Page 143

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