IBM System x3550 Type 7978 - No-Beep Symptoms

To clear the error logs, complete the following steps:
1. Turn on the server.
2. When the prompt Press F1 for Setup appears, press F1. If you have set both a
power-on password and an administrator password, you must type the
administrator password to view the error logs.
3. Use one of the following procedures:
v To clear the BMC system event log, select Advanced Setup --> Baseboard
Management Controller (BMC) Settings-->BMC System Event Log. Select
Clear BMC SEL; then, press Enter twice.
v To clear the combined system event/error log, select Event/Error logs, and
then select System Event/Error Log. When any log entry is displayed, press
Enter (Clear event/error logs is highlighted on each entry page).
Note:
The POST error log is automatically cleared each time the server is
restarted.
No-beep symptoms
The following table describes situations in which no beep code sounds when POST
is completed.
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 7978 and 1913 server,” on page 89 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, and the
server operates correctly.
Possible problem with the operator
information panel.
1. Check the operator information panel cable
for damage.
2. Reseat the operator information panel
cable.
3. Replace the following components, one at a
time, in the order shown, restarting the
server each time:
a. (Trained service technician only)
Operator information panel
b. (Trained service technician only) System
board
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
86.
Chapter 2. Diagnostics 27