Beep Symptoms (2640)

Beep Symptoms
Symptom/Error    FRU/Action
   Continuous beeps. 1. System Board
   One beep and a blank, 1. Reseat the LCD connector
   unreadable, or flashing LCD. 2. LCD Assembly
  3. System Board
   One beep, and the message, 1. Boot device.
   Unable to access boot source 2. System Board
   One long, two short beeps and a 1. System Board
   blank or unreadable LCD. 2. LCD Assembly
   One long beep followed by four short 1. Connect the AC Adapter
   beeps each time the power switch is     or install a fully-charged battery
   operated (System cannot power-on  
   due to low battery voltage.)  
   One beep every second. 1. Connect the AC Adapter or install
   (System is shutting down due to     a fully-charged battery
   low battery voltage.)     (allow the system to completely
      shutdown before changing the battery.)
   Two short beeps with error codes. 1. POST error.
      See Numeric Error Codes
      ° TP 2640-560
      ° TP 2640-560x (60x, 70x)
   Two short beeps with blank screen. 1. System Board

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