HP xw4600 Service And Technical Reference Manual page 127

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.
ENWW
Cause
Screen blanking utility installed
or energy saver features
enabled.
System ROM is bad; system is
running in FailSafe Boot Block
mode (indicated by 8 beeps).
Fixed-sync monitor does not
sync at the resolution
specified.
Computer is in Hibernate
mode.
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.
Solution
Press any key or press the mouse button, and, if set, enter
your password.
Reflash the ROM using a SoftPaq.
Be sure that the monitor can accept the same horizontal
scan rate as the resolution specified.
Press the power button to resume from Hibernate mode.
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. 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.
Change requested resolution.
Customer Self Help 119
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