Lenovo E30, E31, EDGE 13 manual Error messages, No-beep symptoms, Numeric error codes continued

Table 2. Numeric error codes (continued)

Symptom or error (beeps, if any)	FRU or action, in sequence
02F7	1.	DIMM.
Fail-safe timer NMI failed	2.	System board.
(two short beeps)
1802	1.	Remove the Mini PCI network card.
Unauthorized network card is plugged in—Turn off and	2.	System board.
remove the miniPCI network card.
(two short beeps)
1804	1.	Remove the wireless WAN card.
Unauthorized WAN card is plugged in—Power off and	2.	System board.
remove the WAN card.

Error messages

Table 3. Error messages

Symptom or error (beeps, if any)	FRU or action, in sequence
Bad CRC2. Enter BIOS Setup Utility, and load Setup	Press F1 to enter BIOS Setup Utility. Press F9, and
defaults.	Enter to load the default setting. Then save the current
(two short beeps)	setting by pressing F10, and restart the computer.
Fan error.	1.	Fan.
(four short beeps, one long beep)	2.	Thermal grease.
	3.	System board.
DRAM is unplugged.	Memory card is not installed. Install memory card.
(one short beep, pause, three short beeps, pause, three
short beeps, pause, one short beep.)
DRAM is not well plugged.	Reinstall the memory card.
(one short beep, pause, three short beeps, pause, three
short beeps, pause, one short beep.)
Operating system not found.	1.	Check that the operating system has no failure
		and is installed correctly.
	2.	Enter BIOS Setup Utility and see whether the hard
		disk drive is properly identified. If you still see the
		same error message, check the boot sequence.
	3.	Reinstall the hard disk drive.
	4.	Reinstall the operating system.
System Configuration Data Read Error	Press F1 to enter BIOS Setup Utility. Press F9, and
(two short beeps)	Enter to load the default setting. Then save the current
	setting by pressing F10, and restart the computer.

No-beep symptoms

Table 4. No-beep symptoms

Symptom or error	FRU or action, in sequence
No beep, power-on indicator on, LCD blank, and no	1.	Make sure that every connector is connected
POST.		tightly and correctly.
	2.	DIMM.
	3.	System board.
No beep, power-on indicator on, and LCD blank during	1.	Reseat DIMM.
POST.	2.	System board.

Chapter 4. Related service information 37