Error Messages; No-Beep Symptoms; Symptom Or Error (Beeps, If Any) 0187; (Two Short Beeps) - Lenovo ThinkPad Edge E30 Hardware Maintenance Manual

Table 2. Numeric error codes (continued)
Symptom or error (beeps, if any)
02F7
Fail-safe timer NMI failed

(two short beeps)

1802
Unauthorized network card is plugged in—Turn off and
remove the miniPCI network card.
(two short beeps)
1804
Unauthorized WAN card is plugged in—Power off and
remove the WAN card.

Error messages

Table 3. Error messages
Symptom or error (beeps, if any)
Bad CRC2. Enter BIOS Setup Utility, and load Setup
defaults.
(two short beeps)
Fan error.
(four short beeps, one long beep)
DRAM is unplugged.
(one short beep, pause, three short beeps, pause, three
short beeps, pause, one short beep.)
DRAM is not well plugged.
(one short beep, pause, three short beeps, pause, three
short beeps, pause, one short beep.)
Operating system not found.
System Configuration Data Read Error
(two short beeps)

No-beep symptoms

Table 4. No-beep symptoms
Symptom or error
No beep, power-on indicator on, LCD blank, and no
POST.
No beep, power-on indicator on, and LCD blank during
POST.
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FRU or action, in sequence
1. DIMM.
2. System board.
1. Remove the Mini PCI network card.
2. System board.
1. Remove the wireless WAN card.
2. System board.
FRU or action, in sequence
Press F1 to enter BIOS Setup Utility. Press F9, and
Enter to load the default setting. Then save the current
setting by pressing F10, and restart the computer.
1. Fan.
2. Thermal grease.
3. System board.
Memory card is not installed. Install memory card.
Reinstall the memory card.
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.
Press F1 to enter BIOS Setup Utility. Press F9, and
Enter to load the default setting. Then save the current
setting by pressing F10, and restart the computer.
FRU or action, in sequence
1. Make sure that every connector is connected
tightly and correctly.
2. DIMM.
3. System board.
1. Reseat DIMM.
2. System board.
.
Chapter 4 Related service information
39