HP workstation xw5000 Getting Started Manual page 39

the system's power indicator light works, but the monitor remains blank.
Make sure...
The monitor is switched ON (LED is on).
The monitor's power cord is correctly
connected.
The graphics card is installed and the monitor
(video) cable is correctly connected.
The monitor's brightness and contrast settings
are correctly set.
the display works properly during the POST, but goes blank when the OS
starts.
Make sure...
The OS display settings are compatible with
your monitor.
getting started guide
table 3-3. video problems
How
Refer to the monitor manual for an explanation
of the LED signals.
Ensure that the power cord is plugged into a
working grounded power outlet and into the
monitor.
Ensure the video cable is properly connected
to both the system and the monitor. Ensure that
the cable is connected to the graphics card's
connector.
Check the settings using the monitor's OSD
(on-screen display) or using controls on the
front of the monitor.
How
Refer to your OS and monitor documentation
for more information. Also, refer to the
"changing boot/network parameters" section
in chapter 2 for additional information.
troubleshooting
3–5