IBM 380Z Keyboard- or TrackPoint-Related Symptoms, LCD-Related Symptoms, More, Make, Is correct

Symptom /

Error

FRU

/

Action

in

Sequence

Unable

to

communicate

1. Make

sure

the

setup

using the

Infrared (IR)

Portfor .the

IR

is correct.

Use

the

ThinkPad

Configurations

utility.

2.

Make

sure

there

are

no

fluorescent

lights

near

the

computer.

The

computer

may

receive

optical

noise

from

the

fluorescent

light.

3.

Run

the

advanced

diagnostic

test.

If an

error

occurs

and

a

FRU

code

is

displayed,

replace

the

parts

shown

by

the

FRU

code.

Keyboard- or TrackPoint-Related

Symptoms

Symptom	/ Error					FRU	/	Action		in	Sequence
The	keyboard		(one		or	more1. Reseat			the		keyboard
keys)	does	not		work.			cable		on	the	DC/DC
							card.
							2.	Keyboard
							3.	System board
The	TrackPoint		does		not	1. Reseat			the		keyboard
work.							cable		on	the	DC/DC
							card.
						2.		Go	to	“TrackPoint
							Checkout”				on page 16.
							3.	Keyboard
							4.	System board
The	pointer	moves				See	“TrackPoint
automatically			or	does		notCheckout”		on	page 16.
work	correctly.

LCD-Related Symptoms

	Important
The TFT		LCD		for	the notebook	computer		contains
over 2,359,296 thin-film transistors (TFTs). A small
number		of	missing, discolored,			or	lighted dots		(on all
the time) is characteristic of TFT LCD technology, but
excessive			pixel		problems can	cause		viewing concerns.
The LCD should be replaced if the number of missing,
discolored,				or	lighted dots	in	any21 backgroundor		is
more .

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