HP Xw6600 - Workstation - 2 GB RAM Technical Reference Manual page 125

Table 5-6 Display problems (continued)
Problem
The display works properly during
the POST but goes blank when the
operating system starts.
Power LED flashes red 6 times
(once every second), followed by a
2–second pause, and then the
workstation beeps 6 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.
ENWW
Cause
Workstation monitor settings
are not compatible with the
monitor.
The display settings in the
operating system are
incompatible with your
graphics card and monitor.
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.
Solution
1. When you see Press F8 in the bottom-right corner of
the screen, restart the workstation and press
during startup.
2. Using the keyboard arrow keys, select Enable VGA
Mode and then press Enter.
3. In Windows Control Panel, double-click the Display
icon and then select the Settings tab.
4. Use the sliding control to reset the resolution.
1. For Windows, restart your workstation 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.
For systems with a graphics card:
1. Reseat the graphics card.
2. Replace the graphics card.
3. Replace the system board.
Disable monitor Energy Saver feature.
Adjust the monitor brightness and contrast controls.
Verify that the graphics cable is securely connected to the
graphics card and the monitor.
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.
Change requested resolution.
1. Be sure the monitor cable is securely connected to the
workstation.
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. Fluorescent lights or fans might be too close to the
CRT monitor.
Degauss the monitor.
None. It is normal for the degaussing coil to be activated
when the monitor is powered on.
Customer Self Help 115
F8