Technical data

Troubleshooting
4-23
DIGITAL Server 5220
Problem Possible Cause Action
Power is on, but there is no
screen display.
Brightness and contrast
controls are not correctly
set.
Adjust the brightness and contrast
controls.
Monitor is off. Turn on the monitor.
Monitor cable is incorrectly
installed.
Check all monitor connections.
Incorrect video drivers
installed.
Install the correct video drivers.
Video controller has failed. Replace video/Ethernet daughter
card.
Monitor has failed. Replace monitor
Server does not boot from
CD-ROM drive.
CD-ROM drive is not
connected to the IDE
controller.
Connect the CD-ROM to the IDE
connector located on the main logic
board.
CD-ROM disc is not
bootable.
Insert a bootable CD-ROM disc.
Server operates incorrectly
after installing a processor
module.
Processor module installed
incorrectly.
BIOS Setup utility indicates
an error after installing a
processor module.
Reinstall processor module.
Replace the terminator and reboot. If
server boots without errors, replace
processor module.
Mismatched stepping. Check processor stepping
information.
continued