IBM X220I manual Beep symptoms

Table 3. Error messages (continued)

Symptom or error	FRU or action, in sequence
Cannot boot from any device.	Check the status of device which you want to boot
	from.
	Device not found.
	1.	The device you want to boot from.
	2.	System board.
	Device Error.
	1.	The device you want to boot from.
	2.	System board.
	No valid operating system.
	1.	Check that the operating system has no failure and is
		installed correctly.
	2.	Reinstall the operation system.
	Excluded from boot order.
	• Enter the ThinkPad Setup program and add the device
	in boot order.

Beep symptoms

Table 4. Beep symptoms

Symptom or error	FRU or action, in sequence
One beep and a blank, unreadable, or flashing LCD.	1.	Reseat the LCD connector.
	2.	LCD assembly.
	3.	External CRT.
	4.	System board.
One long and two short beeps, and a blank or unreadable	1.	System board.
LCD.	2.	LCD assembly.
	3.	DIMM.
Two short beeps with error codes.	POST error. See “Numeric error codes” on page 43.
Two short beeps and a blank screen.	1.	System board.
	2.	DIMM.
Two or more beeps, or a continuous beep. Operating	If a mini-PCI Ethernet card is installed, confirm that Alert
system starts successfully.	On LAN 2 in the ThinkPad Setup program is disabled.
Three short beeps, pause, three more short beeps, and	1.	DIMM.
one short beep.	2.	System board.
One short beep, pause, three short beeps, pause, three
more short beeps, and one short beep.
Only the cursor appears.	Reinstall the operating system.
Four cycles of four short beeps and a blank screen.	System board (security chip)
Five short beeps and a blank screen.	System board

48ThinkPad X220 Tablet and X220i Tablet Hardware Maintenance Manual