Lenovo ThinkPad A21e TP A21e, A22e Hardware Maintenance Manual (June 2001) - Page 53

Error messages

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Error messages Symptom or error Device address conflict. Allocation error for device. Failing bits: nnnn. Invalid system configuration data. I/O device IRQ conflict. Operating system not found. Hibernation error. Fan error. Unsupported memory configuration. Symptom-to-FRU index FRU or action, in sequence 1. Load Setup Defaults in IBM BIOS Setup Utility. 2. Backup battery. 3. System board. 1. Load Setup Defaults in IBM BIOS Setup Utility. 2. Backup battery. 3. System board. 1. DIMM. 2. System board. 1. DIMM. 2. System board. 1. Load Setup Defaults in IBM BIOS Setup Utility. 2. Backup battery. 3. System board. 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. 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. Shut down the computer and remove the extra memory. Maximum memory size is: v 256 MB for A21e series and the low-end models of A22e. v 512 MB for the high-end models of A22e. ThinkPad A21e, A22e, i 1800 49

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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
.
Unsupported memory
configuration.
Shut down the computer and
remove the extra memory.
Maximum memory size is:
v
256 MB for A21e series and
the low-end models of A22e.
v
512 MB for the high-end
models of A22e.
Symptom-to-FRU index
ThinkPad A21e, A22e, i 1800
49