IBM R31 Keyboard/TrackPoint-Related Symptoms, Indicator-Related Symptoms, Power-Related Symptoms

Keyboard/TrackPoint-Related

Symptoms

Symptom/Error	FRU/Action in Sequence
Keyboard (one or more	v Go to “FRU tests” on page 54.
keys) doesn’t work.
	v	Reseat keyboard cable.
	v	Keyboard
	v	System board
TrackPoint does not	v Go to “FRU tests” on page 54.
work.
	v	Reseat keyboard cable.
	v	Keyboard
	v	System board

Indicator-Related Symptoms

Symptom/Error	FRU/Action in Sequence
Indicator incorrectly	v	Reseat Inveter/LED board
remains off or on, but
		(13.3″/14.1″)
system runs correctly.
	v
		Inveter/LED board (13.3″/14.1″)
	v	System board
	v	Coaxial cable

Power-Related Symptoms

Symptom/Error	FRU/Action in Sequence
Power shuts down during	v Go to “Power systems checkout” on
operation.
		page 36.
	v	AC Adapter
	v	Battery assembly
	v	Keyboard
	v	System board
The system doesn’t	v Go to “Power systems checkout” on
power on.
		page 36.
	v	AC Adapter
	v	Battery assembly
	v	Keyboard
	v	System board
The system doesn’t	v Go to “Power systems checkout” on
power off.
		page 36.
	v Hold and press the power switch
		for more than 4 seconds.
	v	Keyboard
	v	System board

MT 2656, 2657, 2676 45