Symptom or error FRU or action, in sequence
0200
Hard disk error—The hard disk
is not working.
1. Reseat the hard disk
drive.
2. Load Setup Defaults in IBM
BIOS Setup Utility.
3. Hard disk drive.
4. System board.
021x
Keyboard error.
Run interactive tests of the
keyboard and the auxiliary
input device.
0220
Monitor type error—Monitor
type does not match the one
specified in CMOS.
Load Setup Defaults in IBM
BIOS Setup Utility.
0230
Shadow RAM error—Shadow
RAM fails at offset nnnn.
System board.
0231
System RAM error—System
RAM fails at offset nnnn.
1. DIMM.
2. System board.
0232
Extended RAM error—
Extended RAM fails at offset
nnnn.
1. DIMM.
2. System board.
0250
System battery error—System
battery is dead.
Replace the backup battery
and run IBM BIOS Setup
Utility to reset the time and
date.
0251
System CMOS checksum
bad— Default configuration
used.
Replace the backup battery
and run IBM BIOS Setup
Utility to reset the time and
date.
0252
Password checksum bad—The
password is cleared.
Reset the password by
running IBM BIOS Setup
Utility.
0260
System timer error.
1. Replace the backup
battery and run IBM BIOS
Setup Utility to reset the
time and date.
2. System board.
0270
Real-time clock error.
1. Replace the backup
battery and run IBM BIOS
Setup Utility to reset the
time and date.
2. System board.
0271
Date and time error—Neither
the date nor the time is set in
the computer.
Run IBM BIOS Setup Utility to
reset the time and date.
0280
Previous boot incomplete—
Default configuration used.
1. Load “Setup Default” in
IBM BIOS Setup Utility.
2. DIMM.
3. System board.
Symptom-to-FRU index
ThinkPad T40, T40p, T41 Series 57
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