No-Beep Symptoms - Lenovo ThinkCentre 6487 Hardware Maintenance Manual

No-beep symptoms

86
Hardware Maintenance Manual
Symptom/Error
No beep during POST but computer works
correctly.
No beep during POST.
FRU/Action
System board
1. See "Undetermined problems" on page
92.
2. System Board
3. Memory Module
4. Any Adapter or Device
5. Riser Card
6. Power Cord
7. Power Supply