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Error
Code
Message FRU/Action in Sequence
021 Keyboard
Error or
Keyboard Not
Connected
Note: The
message only
appears for a
few seconds.
1. Go to “Keyboard and
External Input Device
Checkout” on page 5.
2. Ensure that the keyboard
switch is correctly set.
3. Reseat the keyboard
flexible cables.
4. Replace the keyboard
connection board.
5. Replace the keyboard
assembly.
6. Replace the system board.
022 Keyboard
Locked
Note: The
message only
appears for a
few seconds.
1. Go to “Keyboard and
External Input Device
Checkout” on page 5.
2. Check the external
keyboard lock at the rear, if
the keyboard has security
feature.
030 Pointing
Device Error
Note: The
message only
appears for a
few seconds.
1. Go to “Keyboard and
External Input Device
Checkout” on page 5.
2. Ensure that the keyboard
switch is correctly set.
3. Reseat the keyboard
flexible cables.
4. Replace the keyboard
connection board.
5. Replace the keyboard
assembly.
6. Replace the system board.
031 Pointing
Device
Interface
Error
Note: The
message only
appears for a
few seconds.
1. Go to “Keyboard and
External Input Device
Checkout” on page 5.
2. Ensure that the keyboard
switch is correctly set.
3. Reseat the keyboard
flexible cables.
4. Replace the keyboard
connection board.
5. Replace the keyboard
assembly.
6. Replace the system board.
040 Diskette Drive
Controller
Error
1. Go to “Diskette Drive Test”
on page 7.
2. Ensure the diskette drive
configuration setting in
BIOS Utility is correct.
3. Diskette drive cable
4. Diskette drive
5. System board
045 CPU Clock
Mismatch
1. Enter BIOS Utility to
execute Load Setup Default
Setting, then reboot system.
2. Ensure the CPU frequency
switches are set correctly.
ThinkPad 310, 310D, 310E, 310ED (2600) 15