IBM 240 manual Port Mouse, TrackPoint

A number appears whenThe numeric lock function is on. To disable it,Fn; prthenss pressand hold

you type a letter. NumLk .

All or some keys on theMake sure that the external numeric keypad is correctly connected to the com- external numeric keypadputer.

do not work.

All or some keys on theTo use an external keyboard, you can attach it to the computer either directl external keyboard dothrough the keyboard/mouse cable. Make sure that:

not work.

Ÿ The keyboard cable is correctly connected to the computer (if the keyboard connected directly to the computer).

Ÿ The keyboard/mouse cable is correctly connected to the computer.

Ÿ The keyboard cable is connected to the correct side of the keyboard/mouse cable.

If these items are correct, disconnect the keyboard/mouse cable from the com- puter and make sure that the operation of the system keyboard is correct. If system keyboard works, have the keyboard/mouse cable or the external keyboard serviced.

Troubleshooting charts

Problem

Action

The

PS/2

mouse or

Ÿ

Unless

you

are

using

a

serial mouse,

make

sure

that

the

pointing

device

is

pointing device does notenabled in

the

ThinkPad

Configuration

program.

work.

Ÿ

Make

sure that the mouse or pointing-device cable is securely connected to

the

computer.

Ÿ

Try

using the TrackPoint. If the TrackPoint works,

the

error

might

be

due

to

the

mouse.

Ÿ

If

your mouse

is

incompatible

with

he

IBM

PS/2

mouse, disable the

TrackPoint

using

the

ThinkPad

configuration

program.

Note: See

the

manual

supplied

with

the

mouse

for more information.

The

serial mouse

Ÿ

Ensure

that

the

TrackPoint

has

been

disabled

in

BIOS.

See

“Config”

on

doesn't

work.

page

18.

ŸIf the serial mouse has its own driver, ensure that the driver has been

installed correctly. Refer to the serial mouse users guide for details.

The	mouse	buttons do Change	the	mouse driverStandard toPS/2	Port Mouse	,	and then reinstallPS/2
not	work.	TrackPoint	.	See Onlinethe User's	Guidefor how	to	install the driver.

94 ThinkPad 240 User's Reference