Lenovo ThinkPad 560E ThinkPad 560X Hardware Maintenance Manual (Oct 1997) - Page 53

Infrared-Related Symptoms, Keyboard or TrackPoint III Related Symptoms, See TrackPoint III

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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 Related Symptoms Symptom / Error FRU / Action in Sequence The keyboard (one or more keys) does not work. 1. Reseat the keyboard cable on the system board. 2. Keyboard. 3. System board. The TrackPoint III does not work. 1. Reseat the keyboard cable on the system board. 2. Go to "TrackPoint III Checkout" on page 33. 3. Keyboard. 4. System board. The pointer moves automatically or does not work correctly. See "TrackPoint III Checkout" on page 33. ThinkPad 560X (2640-60x, 70x) 43

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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 Related
Symptoms
Symptom / Error
FRU / Action in Sequence
The keyboard (one or more
keys) does not work.
1.
Reseat the keyboard
cable on the system
board
.
2.
Keyboard.
3.
System board.
The TrackPoint III does not
work.
1.
Reseat the keyboard
cable on the system
board.
2.
Go to “TrackPoint III
Checkout” on page
33.
3.
Keyboard.
4.
System board.
The pointer moves
automatically or does not
work correctly.
See “TrackPoint III
Checkout” on page
33.
ThinkPad 560X
(2640-60x, 70x)
43