Beep Symptoms

Beep Symptoms
Symptom/Error    FRU/Action
   Continuous beeps. 1. System Board
   One beep and a blank, 1. Reseat all LCD connectors.
   unreadable, or flashing LCD. 2. LCD Assembly
  3. Video Card
  4. System Board
  5. DC/DC Card
   One beep, and the message 1. Boot device
   'Unable to access boot source' 2. System Board
   One long, two short beeps 1. System Board
   and a blank or unreadable LCD. 2. Video Card
  3. LCD Assembly
   One long beep followed by    Connect the AC Adapter
   four short beeps each time    or install a fully-charged
   the power switch is operated.    battery.
   (System cannot power-on due  
   to low battery voltage.)  
   One beep every second.    Connect the AC Adapter or install a
   (System is shutting down    fully-charged battery (allows system to
   due to low battery voltage.)    complete shutdown before changing the
   Two short beeps    POST error. See
   with error codes.    'Numeric Error Codes'
   Two short beeps    System Board
   with blank screen.  

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