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Keyboard/TrackPoint II or III Related
Symptoms
Symptom/Error FRU/Action
Keyboard (one or more
keys) does not work, or
works intermittently.
1. Reseat the three
keyboard cables.
2. Reseat the keytop.
Ensure the rubber
dome under the keytop
is straight and in the
correct direction, with
the larger radius on the
top.
3. Keyboard
4. System Board
TrackPoint II or III does not
work.
1. Go to “TrackPoint II
and III Checkout” on
page 28.
2. Keyboard
3. System Board
Pointer moves automatically
or does not work correctly.
1. See “TrackPoint II
and III Checkout” on
page 28.
Indicator Related Symptoms
Symptom/Error FRU/Action
Indicator incorrectly remains
off or on, but system runs
correctly.
1. Reseat the indicator
card.
2. Indicator Card
3. System Board
Battery power status
indicator blinks from green,
yellow, to orange.
1. Check that a correct
battery is installed.
2. Battery Pack
3. System Board
Power Related Symptoms
Symptom/Error FRU/Action
Power shut down during
operation.
1. Go to “Power
Systems Checkout”
on page 29.
2. Battery Pack
3. Remove the battery
pack and let it cool for
two hours.
4. Power Sources
The system will not
power-off.
(See “Reset Pushbutton” on
page 46.)
1. Press the Reset
pushbutton.
2. System Board
40 IBM Mobile Systems HMM