Beep Symptoms

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

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