Lenovo 03018GU User Manual - Page 74

Error messages, No-beep symptoms, Press F1 to enter BIOS Setup Utility. Press

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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) 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. No-beep symptoms Table 4. No-beep symptoms Symptom or error FRU or action, in sequence No beep, power-on indicator on, LCD blank, 1. Make sure that every connector is and no POST. connected tightly and correctly. 2. DIMM. 3. System board. No beep, power-on indicator on, and LCD blank during POST. 1. Reseat DIMM. 2. System board. The power-on password prompt appears. A power-on password or a supervisor password is set. Type the password and press Enter. The hard-disk password prompt appears. A hard-disk password is set. Type the password and press Enter. 66 ThinkPad Edge 14″, Edge 15″, E40, and E50 Hardware Maintenance Manual

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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 defaults.
(two short beeps)
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.
Fan error.
(four short beeps, one long beep)
1.
Fan
.
2.
Thermal grease.
3.
System board.
DRAM is unplugged.
(one short beep, pause, three short beeps,
pause, three short beeps, pause, one short
beep.)
Memory card is not installed. Install
memory card.
DRAM is not well plugged.
(one short beep, pause, three short beeps,
pause, three short beeps, pause, one short
beep.)
Reinstall the memory card.
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
(two short beeps)
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.
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 POST.
1.
Make sure that every connector is
connected tightly and correctly
.
2.
DIMM.
3.
System board.
No beep, power-on indicator on, and LCD
blank during POST.
1.
Reseat DIMM
.
2.
System board.
The power-on password prompt appears.
A power-on password or a supervisor
password is set. Type the password and
press
Enter
.
The hard-disk password prompt appears.
A hard-disk password is set. Type the
password and press
Enter
.
66
ThinkPad Edge 14
″
, Edge 15
″
, E40, and E50 Hardware Maintenance Manual