HP Xw9300 - Workstation - 1 GB RAM Technical Reference Manual page 150

Table 5-27 Display Problems (continued)
Problem
Monitor does not function
properly when used with energy
saver features.
Dim characters.
Blurry video or requested
resolution cannot be set.
The picture is broken up, rolls,
jitters, or flashes.
Vibrating or rattling noise
coming from inside a CRT
monitor when powered on.
Clicking noise coming from
inside a CRT monitor.
High-pitched noise coming from
inside a flat panel monitor.
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.)
Certain typed symbols do not
appear correct.
150 System Diagnostics and Troubleshooting
Cause
Monitor without energy
saver capabilities is being
used with energy saver
features enabled.
The brightness and contrast
controls are not set properly.
Cables are not properly
connected.
If the graphics controller was
upgraded, the correct video
drivers might not be loaded.
Monitor is not capable of
displaying requested
resolution.
The monitor connections
might be incomplete or the
monitor might be incorrectly
adjusted.
Monitor must be degaussed. Degauss the monitor.
Monitor degaussing coil has
been activated.
Electronic relays have been
activated inside the monitor.
Brightness and contrast
settings are too high.
Flat panel monitor's internal
digital conversion circuits
might be unable to correctly
interpret the output
synchronization of the
graphics card.
The font you are using does
not support that particular
symbol.
Solution
Disable monitor energy saver feature.
Adjust the monitor brightness and contrast controls.
Check that the graphics cable is securely connected
to the graphics card and the monitor.
Install the video drivers included in the upgrade kit.
Change requested resolution.
1. Be sure the monitor cable is securely connected
to the workstation.
2. In a two-monitor system or if 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 might be too close to
the monitor.
None. It is normal for the degaussing coil to be
activated when the monitor is powered on.
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.
Lower brightness and contrast settings.
1. Select the monitor's Auto-Adjustment option in
the monitor's on-screen display menu.
2. Go to the HP Support Web site and check for an
updated display driver.
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.