TrackPoint Checkout

If

the

external

mouse is connected, the TrackPoint does

not

work.

In this

case, please detach the external mouse to

check

the

TrackPoint.

 

 

 

If

this

does

not

correct

the TrackPoint problem,

continue

with

the

following.

 

 

 

 

After you use the TrackPoint, the pointer drifts

on the

screen

for

a

short time.

This self-acting pointer

movement

can

occur when a slight, steady pressure is applied to the

TrackPoint pointer. This symptom is not a hardware

 

problem. No service actions are necessary if the pointer

movement

stops

ina

short period

of time.

 

If

a

click

button

problem

or

pointing stick problem

occurs,

do

the

following:

 

 

 

 

1.Boot from and start PC Doctor. (See “PC Doctor System Diagnostics” on page 51 for details.)

2.SelectInteractive Tests .

3.SelectMouse .

4. Follow the instructions in the message window.

If

either the

pointing

stick

or the click button does not work,

do

the

following

actions

one a

time to correct the problem.

Do

not

replace

a non-defective

FRU.

1.Reseat the keyboard cables.

2.Replace the keyboard.

3.Replace the system board.

ThinkPad 390E 35

Page 45
Image 45
IBM 390E manual TrackPoint Checkout, SelectInteractive Tests