IBM z61 Supplementary Manual

IBM

If

the

keyboard

problem

is

resolved,

carefully

reconnect

the

external

numeric

keypad,

external

keyboard,

or

mouse,

making

sure

that

you

have

seated

the

connectors

properly.

If

keys

on

the

keyboard

still

do

not

work,

have

the

computer

serviced.

Problem:

A

number

appears

when

you

type

a

letter.

Solution

→

The

numeric

lock

function

is

on.

To

disable

it,

press

and

hold

Shift

or

Fn;

then

press

NmLk

(ScrLk).

Problem:

All

or

some

of

the

keys

on

the

external

numeric

keypad

do

not

work.

Solution:

→

Make

sure

that

the

external

numeric

keypad

is

correctly

connected

to

the

computer.

Problem

Some

or

all

of

the

keys

on

the

external

PS/2

keyboard

do

not

work.

Solution

→

If

you

are

using

the

ThinkPad

Advanced

Dock,

the

ThinkPad

Advanced

Mini

Dock,

or

the

ThinkPad

Essential

Port

Replicator,

make

sure

that

the

keyboard

cable

is

correctly

connected

to

the

keyboard/mouse

Y-connector,

and

the

keyboard/mouse

Y-connector

is

connected

to

the

ThinkPad

Advanced

Dock,

the

ThinkPad

Advanced

Mini

Dock,

or

the

ThinkPad

Essential

Port

Replicator.

If

the

connection

is

correct,

disconnect

the

cable

and

make

sure

that

the

built-in

keyboard

operates

properly.

If

the

built-in

keyboard

works,

there

is

a

problem

with

the

external

PS/2

keyboard.

Try

using

a

different

external

keyboard.

UltraNav

problems

Problem:

The

pointer

drifts

when

the

computer

is

turned

on

or

after

it

resumes

normal

operation.

Solution:

→

The

pointer

might

drift

when

you

are

not

using

the

TrackPoint

during

normal

operation.

This

is

a

normal

characteristic

of

the

Solving

computer

problems

18

ThinkPad

®

Z61

Series

Service

and

Troubleshooting

Guide