Keyboard/Trackpoint Iii-Related Symptoms; Indicator-Related Symptoms - IBM ThinkPad 365C 2625 Maintenance Manual

Symptom / Error
LCD backlight not
working
LCD too dark
LCD brightness cannot
be adjusted (TFT)
LCD contrast cannot
be adjusted (STN)
LCD screen
unreadable
Characters missing
pels
Screen abnormal
Wrong color displayed
LCD has extra horizontal or
vertical lines displayed.
Keyboard/TrackPoint III-Related
Symptoms
Symptom / Error
Keyboard (one or more
keys) does not work.
TrackPoint III does not
work.
Pointer moves automatically
or does not work correctly.

Indicator-Related Symptoms

Symptom / Error
Indicator incorrectly remains
off or on, but system runs
correctly.
Battery power status
indicator blinks from green,
yellow, to orange.
206
IBM Mobile Systems - ThinkPad HMM Volume 3
FRU / Action in Sequence
1. Reseat the LCD
connectors.
2. LCD unit
3. Subcard
1. See important note
for "LCD-Related
Symptoms."
2. Reseat all LCD
connectors.
3. LCD unit
4. System board
5. Subcard
LCD unit
FRU / Action in Sequence
1. Reseat the keyboard
cable on the subcard.
2. Keyboard
3. Subcard
4. System board
1. Reseat the keyboard
cable on the subcard.
2. Go to
"Keyboard/TrackPoint
III-Related Symptoms."
3. Keyboard
4. Subcard
5. System board
1. See
"Keyboard/TrackPoint
III-Related
Symptoms."
FRU / Action in Sequence
1. Subcard
2. System board
1. Check that a correct
battery is installed.
2. Battery pack
3. Subcard
4. System board