Lenovo ThinkPad 600E Hardware Maintance Manual - June 1999: ThinkPad 600, 600E - Page 67

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

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Symptom-to-FRU Index Infrared-Related Symptoms Symptom / Error Unable to communicate using the Infrared (IR) Port. FRU / Action in Sequence 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-Related Symptoms Symptom / Error FRU / Action in Sequence The keyboard (one or more keys) does not work. 1. Reseat the keyboard cable on the sub card. 2. Keyboard 3. System board The TrackPoint does not work. 1. Reseat the keyboard cable on the system board. 2. Go to "TrackPoint Checkout" on page 39. 3. Keyboard 4. System board The pointer moves automatically or does not work correctly. See "TrackPoint Checkout" on page 39. ThinkPad 600 61

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Symptom-to-FRU Index
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-Related
Symptoms
Symptom / Error
FRU / Action in Sequence
The keyboard (one or more
keys) does not work.
1.
Reseat the keyboard
cable on the sub
card
.
2.
Keyboard
3.
System board
The TrackPoint does not
work.
1.
Reseat the keyboard
cable on the system
board.
2.
Go to “TrackPoint
Checkout” on page
39.
3.
Keyboard
4.
System board
The pointer moves
automatically or does not
work correctly.
See “TrackPoint
Checkout” on page
39.
ThinkPad 600
61