Specifications

5. Observe any POST messages. Refer to Section 2.3.4, POST and Boot
Messages, take the appropriate steps to correct the problem, and then reset
the computer.
6. Run the SCU and make sure the system is configured correctly for the
installed hardware and software. For information on configuring the
system with the SCU, refer to Chapter 5.
7. Run the applicationDEC system exerciser (SYSEX). SYSEX tests each
system unit simultaneously with peripheral and communication transfers
to detect interactive errors. For further information on testing the system
with SYSEX, refer to Chapter 3.
8. Contact Digital Customer Services for software or hardware problems.
9. Package the failed component in the original container and return it to
Digital for service.
Tables 2–6 through 2–8 help you to identify and solve system, disk drive, and
monitor problems.
Table 2–6 System Troubleshooting
Problem Possible Cause Action
No response when
the system is
turned on
System is not plugged
in
Turn off the system, plug it in, and
turn it on again.
No power at the wall
outlet
Use another wall outlet.
Power is on, but
there is no monitor
display
Monitor brightness
and contrast controls
are not properly set
Adjust the monitor brightness and
contrast controls.
Monitor is off Turn on the monitor.
Monitor cable is
incorrectly installed
Check all monitor connections.
Video expansion board
failure
Make sure the video expansion board
is properly installed and firmly seated.
System does not
boot from an IDE
hard disk drive
Operating system
software is not
installed on the IDE
hard disk drive
Install the operating system on the
hard disk.
(continued on next page)
2–20 System Troubleshooting