Keyboard/Trackpoint-Related Symptoms; Indicator-Related Symptoms; Power-Related Symptoms - IBM ThinkPad R30 Hardware Maintenance Manual

Symptom/Error
LCD has extra horizontal
or vertical lines
displayed.
Keyboard/TrackPoint-Related
Symptoms
Symptom/Error
Keyboard (one or more
keys) doesn't work.
TrackPoint does not
work.

Indicator-Related Symptoms

Symptom/Error
Indicator incorrectly
remains off or on, but
system runs correctly.

Power-Related Symptoms

Symptom/Error
Power shuts down during
operation.
48
ThinkPad R30 and R31 HMM
FRU/Action in Sequence
v Check LCD inverter ID
v LCD Cable ASM
v LCD Inverter/LED board
(13.3"/14.1")
v LCD
v System board
FRU/Action in Sequence
v Go to "FRU tests" on page 58.
v Reseat keyboard cable.
v Keyboard
v System board
v Go to "FRU tests" on page 58.
v Reseat keyboard cable.
v Keyboard
v System board
FRU/Action in Sequence
v Reseat Inveter/LED board
(13.3"/14.1")
v Inveter/LED board (13.3"/14.1")
v System board
v Coaxial cable
FRU/Action in Sequence
v Go to "Power systems checkout" on
page 35.
v AC Adapter
v Battery assembly
v Keyboard
v System board