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, System x3400 Types 7973, 7974, 7975 and 7976,” on page 87 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.
1. (Trained service technician only) Reseat the
front information panel LED cable.
2. (Trained service technician only) Replace
the front information panel LED assembly.
No beeps occur, and
there is no video.
See “Solving undetermined problems” on page
84.
Chapter 2. Diagnostics 21
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