Lenovo THINKCENTRE 8177 - Manual (Page 90)

No-beep symptoms
Symptom/Error FRU/Action
No beep during POST but computer works
correctly.
System board
No beep during POST.
1. See “Undetermined problems” on page
90.
2. System Board
3. Memory Module
4. Any Adapter or Device
5. Riser Card
6. Power Cord
7. Power Supply
84 Hardware Maintenance Manual