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

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Feel free - send a Email-NOTE  for any BUG on this page found - Thank you.