Beep Symptoms (TP 600/600E - 2645)

Beep Symptoms

Symptom / Error	FRU / Action in Sequence
Continuous beeps.	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 beep and two short beeps,	1. System Board
and a blank or unreadable LCD.	2. LCD assembly
One long beep followed by	Connect the AC Adapter or install
four short beeps each time	a fully charged battery.
the power switch is operated.
(System cannot power on
doe to low battery voltage.)
One beep every second.	Connect the AC Adapter or install
(System is shutting down	a fully charged battery (Allow
due to low battery voltage.)	the system to complete shutdown
	before changing the battery)
Two short beeps with error codes.	POST error. See 'Numeric Error Codes'
Two short beeps with blank screen.	System Board