v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v See Chapter 3, “Parts listing, Type 7979 and 1914 server,” on page 79 to determine which components are
customer replaceable units (CRU) and which components are field replaceable units (FRU).
v If an action step is preceded by “(Trained service technician only),” that step must be performed only by a
trained service technician.
No-beep symptom Description Action
No beeps occur after
successful completion of
POST.
The power-on status is Disabled.
1. Run the Configuration/Setup Utility program
and select Start Options; then, set
Power-On Status to Enable.
2. Check the operator information panel cable
for damage.
3. Reseat the operator information panel
cable.
4. (Trained service technician only) Replace
the system board
No beeps occur, and
there is no video.
Unknown problem. See “Solving undetermined problems” on page
76.
No beep occurs, and the
power-supply ac LED is
off
Possible power problem.
1. Make sure that the ac power cord is
connected to the power supply and to an ac
outlet.
2. Reseat the power supplies.
3. If two power supplies are installed, swap
them to determine whether one is defective.
4. Disconnect the cable from the hard disk
drive backplane power connector (J13) on
the power backplane. If the ac power LED
comes on, see “Solving undetermined
problems” on page 76.
No beep occurs, the
server does not start,
and the power-supply ac
LED is lit.
Possible power problem. See “Power-supply LEDs” on page 53.
Chapter 2. Diagnostics 25
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