Table 6-5 Display problems (continued)
Problem | Cause | Solution | |
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| |
Blurry video or requested | If the graphics controller was | Install the video drivers included in the upgrade kit, or | |
resolution cannot be set. | upgraded, the correct video | download and install the latest drivers for your graphics | |
| drivers might not be loaded. | card from http://welcome.hp.com/country/us/en/ | |
|
| support.html. | |
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| |
| Monitor cannot display | Change the requested resolution. | |
| requested resolution. |
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| |
The picture is broken up, rolls, | The monitor connections might | 1. Be sure the monitor cable is securely connected to the | |
jitters, or flashes. | be faulty, or the monitor might |
| workstation. |
| be incorrectly adjusted. | 2. | In a multiple CRT monitor system, ensure that the |
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| ||
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|
| monitors' electromagnetic fields are not interfering |
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| with each other . Move them apart if necessary. |
|
| 3. | Move fluorescent lights or fans that are too close to |
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|
| the CRT monitor. |
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| |
| Monitor must be degaussed. | Degauss the monitor. | |
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| |
Vibrating or rattling noise coming | Monitor degaussing coil has | None. It is normal for the degaussing coil to be activated | |
from inside a CRT monitor when | been activated. | when the monitor is powered on. | |
powered on. |
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| |
Clicking noise coming from inside a | Electronic relays have been | None. It is normal for some monitors to make a clicking | |
CRT monitor. | activated inside the monitor. | noise when turned on and off, when going in and out of | |
|
| Standby mode, and when changing resolutions. | |
|
|
| |
High pitched noise coming from | Brightness and contrast | Lower brightness and contrast settings. | |
inside a | settings are too high. |
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| |
Fuzzy focus; streaking, ghosting, | 1. Select the monitor’s | ||
or shadowing effects; horizontal | digital conversion circuits |
| monitor’s onscreen display menu. |
scrolling lines; faint vertical bars; or | might be unable to correctly | 2. Manually synchronize the Clock and Clock Phase | |
unable to center the picture on the | interpret the output | ||
screen | synchronization of the |
| onscreen display functions. |
|
| ||
an analog VGA input connection | graphics card. | 3. | Download SoftPaq SP22333 to assist with the |
only.) |
| ||
|
| synchronization). | |
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| |
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| |
Some typed symbols do not appear | The font you are using does | Use the Character Map to locate and select the appropriate | |
correctly. | not support that symbol. | symbol. | |
Select Start>All Programs> Accessories>System
Tools>Character Map. You can copy the symbol from the
Character Map into a document.
124 Chapter 6 Diagnostics and troubleshooting | ENWW |
