NO-Beep Symptoms AT Bus (PS/1 Aptiva)

Symptom/Error:	FRU/Action.
No beep, power-on indicator does not	1. Power Supply
come on, and fan does not run. (Check
voltage selector switch setting)
No beep during POST	1. System Board
(Check voltage selector switch setting)	2. Power Supply
	3. Display Assembly (8525)
	4. Memory Module (8525)
	5. Any Adapter
	6. Bus Adapter
No beep, fan runs, power-on indicator	1. System Board
is on, and computer hangs during POST	2. Power Supply
with a message displayed.
No beep, and the computer is otherwise	1. Speaker Assembly
functional.