Lenovo ThinkPad Edge 11, Hardware Maintenance Manual, Page: 58 / 130

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 .
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ThinkPad Edge 11” and E10 Hardware Maintenance Manual