HP xw4200 Service And Technical Reference Manual page 133

Table 5-7
Solving Display Problems (Continued)
Problem
Power LED flashes Red six times,
once every second, followed by a
two-second pause, and the
workstation beeps six times.
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.)
Cause
Pre-video graphics error.
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.
Monitor degaussing coil has
been activated.
Electronic relays have been
activated inside the monitor.
Brightness and/or 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.
TROUBLESHOOTING SCENARIOS AND SOLUTIONS 133
Solution
For systems with a graphics card:
1 Reseat the graphics card.
2 Replace the graphics card.
3 Replace the system board.
4 For systems with integrated graphics,
replace the system board.
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.
Degauss 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/or contrast settings.
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.