HP Compaq d330 DT Troubleshooting Manual page 34

Troubleshooting Without Diagnostics
Solving Display Problems (Continued)
Problem
Blank screen (no video).
(continued)
Power LED flashes Red six
times, once every second,
followed by a two second
pause, and the computer
beeps six times.
Monitor does not function
properly when used with
energy saver features.
Dim characters.
2–18
Cause
Monitor cable is
plugged into the wrong
connector.
Monitor settings in the
computer are not
compatible with the
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.
www.hp.com
Solution
If the computer system has both
an integrated graphics connector
and an AGP card connector, plug
the monitor cable into the AGP card
connector in the expansion
card area on the back of the
computer.
1. Restart the computer and press
F8 during startup when you see
"Press F8" in the bottom right
corner of the screen.
2. Using the keyboard arrow keys,
select Enable VGA Mode
and press Enter.
3. In Windows Control Panel,
double-click the Display icon
and select the Settings tab.
4. Use the sliding control to reset
the resolution.
For systems with a graphics card:
1. Reseat the graphics card. Power
on the system.
2. Replace the graphics card.
3. Replace the system board.
For systems with integrated
graphics, replace the system board.
Disable monitor energy saver
feature.
Adjust the monitor brightness and
contrast controls.
Troubleshooting Guide