Infrared-Related Symptoms
Symptom / Error FRU / Action in Sequence
Unable to communicate
using the Infrared (IR) Port. 1. Make sure the setup
for the IR is correct.
Use the ThinkPad
Configurations utility.
2. Make sure there are
no fluorescent lights
near the computer.
The computer may
receive optical noise
from the fluorescent
light.
3. Run the advanced
diagnostic test. If an
error occurs and a
FRU code is displayed,
replace the parts
shown by the FRU
code.
Keyboard- or TrackPoint III-RelatedSymptoms
Symptom / Error FRU / Action in Sequence
The keyboard (one or more
keys) does not work. 1. Reseat the keyboard
cable on the DC/DC
card.
2. Keyboard
3. Systemboard
The TrackPoint III does not
work. 1. Reseat the keyboard
cable on the DC/DC
card.
2. Go to “TrackPoint III
Checkout” on page 32.
3. Keyboard
4. Systemboard
The pointer moves
automatically or does not
work correctly.
See “TrackPoint III
Checkout” on page 32.

IBM ThinkPad 380XD, 385XD (2635) 45