IBM ThinkPad A21m User Manual

Error messages
Symptom or error FRU or action, in sequence
Device address conflict. 1. Load Setup Defaults in
IBM BIOS Setup Utility.
2. Backup battery.
3. System board.
Allocation error for device. 1. Load Setup Defaults in
IBM BIOS Setup Utility.
2. Backup battery.
3. System board.
Failing bits: nnnn. 1. DIMM.
2. System board.
Invalid system configuration
data.
1. DIMM.
2. System board.
I/O device IRQ conflict. 1. Load Setup Defaults in
IBM BIOS Setup Utility.
2. Backup battery.
3. System board.
Operating system not found. 1. Check that the operating
system has no failure and is
installed correctly.
2. Enter IBM BIOS Setup
Utility and see whether
the hard-disk drive and
the diskette drive are
properly identified.
3. Reseat the hard-disk drive.
4. Reinstall the operating
system.
5. Diskette drive.
6. Hard-disk drive.
7. System board.
Hibernation error. 1. Restore the system
configuration to what it
was before the computer
entered hibernation mode.
2. If memory size has been
changed, re-create the
hibernation file.
Fan error. Fan.
Symptom-to-FRU index
52 ThinkPad A20m/p, A21m/p, A22m/p

IBM ThinkPad A21m Specifications

General

Brand	IBM
Model	ThinkPad A21m
Category	Laptop
Language	English