IBM THINKPAD S05L-1270-01 - Manual (Page 158)

Symptom / Error FRU / Action in Sequence
TrackPoint III does not
work. 1. Reseat the keyboard
cable on the system
board.
2. Go to “TrackPoint III
Checkout” on
page 130.
3. Keyboard
4. System board
Pointer moves automatically
or does not work correctly. See “TrackPoint III
Checkout” on page 130.
Indicator-Related Symptoms
Symptom / Error FRU / Action in Sequence
Indicator incorrectly remains
off or on, but system runs
correctly. System board
DC/DC card
Battery power status
indicator blinks from green,
yellow, to orange. 1. Check that a correct
battery is installed.
2. Battery pack
3. DC/DC card
4. System board
Battery indicator does not
turn on when the battery is
installed. c.
DC/DC card
Battery pack
System board
Power-Related Symptoms
Symptom / Error FRU / Action in Sequence
Power shuts down during
operation. 1. Go to “Power
Systems Checkout”
on page 131.
2. Battery pack
3. Remove the battery
pack and let it cool for
2 hours.
4. DC/DC card
5. System bard
6. Power sources
The system does not power
off.
(See “Power Shutdown
Switch” on page 126.) 1. Press the power
shutdown switch.
2. DC/DC card
3. System board
146 IBM Mobile Systems HMM