No Beep Symptoms - IBM 3746-900 Installation And Maintenance Manual

Beep Symptom
Repeating short beeps.

No Beep Symptoms

Symptom/Error
No beep during POST but computer
works correctly.
No beep during POST.
Did you find your symptom in the list?
Yes No
007
Run the IBM PC Enhanced Diagnostics. See "Starting the IBM PC
Enhanced Diagnostics Program" on page 4-4 to start the diagnostics.
Did the Enhanced Diagnostics error free?
Yes No
008
See "IBM PC Enhanced Diagnostic Error Codes" on page 4-9 for error
code and action. Go to Step 010.
009
Go to "Undetermined Problems" on page 3-22.
010
Action:
– Change the suspected FRU, go to Chapter 5, "Service Processor FRUs /
Display Exchange" on page 5-1.
– OR perform the specified action.
FRU/Action
1. Keyboard key stuck?
2. Keyboard Cable
3. System Board
FRU/Action
System Board
1. See "Undetermined Problems" on
page 3-22.
2. System Board
3. Memory Module
4. Any Adapter or Device
5. Power Cord
6. Power Supply
Chapter 3. Service Processor Troubleshooting
3-17