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Chapter 8
Troubleshooting
Table 8-1 lists system problems, possible causes, and recommended
solutions.
Table 8-1
Troubleshooting
Symptom
Possible Cause
Solution
System does not
power on, no LED,
no fans.
AC power cable
disconnected.
Check power connection
from power source to
workstation.
Power supply cable
not attached to system
board.
Make sure power supply
cables are attached to system
board.
Check to see if internal fans
are working and if LED in
upper right corner of system
board is lit. If fans are
working and LED is lit,
system board is receiving
power.
Primary processor not
recognized.
Reinstall primary processor
and if a secondary processor
isn’t installed, make sure a
terminator card is installed in
the top slot.
Power button and LED
cables not attached to
system board.
Make sure internal power
button and LED cables are
plugged into system board
(see diagram inside the side
panel to locate the power
button and LED cable
connectors).
Primary processor
failure.
Replace the processor.
Power supply failure.
Replace the power supply.
System board failure.
Replace the system board.
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