ŸReplace the System board.

The following external input devices are supported computer:

ŸNumeric keypad

Ÿ Mouse (PS/2 compatible)

ŸKeyboard

If any of these devices do not work, reconnect connector and repeat the failing operation.

If the problem still exists, replace the device, system board.

Audio Function Check

Do as follows:

1.Boot from the diagnostics diskette and start Doctor program (please refer to “Running the PC Doctor Diagnostics Program” on page 135).

2.SelectInteractive Tests .

3. SelectInternal Speaker

.

If no sound is played, replace the speaker o system board.

4. Selectereo Speaker

.

If no music is played, replace the speaker o system board.

TrackPoint

IV

Check

If

the

external mouse is connected, the TrackPoint

not

work.

In this case, please detach the exter

check the

TrackPoint.

If this does not correct the TrackPoint problem, c with the following:

Note:

After

you

use

the TrackPoint, the

pointer

dri

 

the screen for a short time. This self-actin

 

movement

can

occur when a

slight,

steady

pres

 

sure is applied to the TrackPoint pointer. Thi

 

symptom is not a hardware problem. No service

 

actions

are

necessary

if

the

pointer

movement

 

stops

in a short period of time.

 

 

If

a

click

button

problem

or

pointing

stick

problem

do

the

following:

 

 

 

 

 

 

 

 

1.Boot from the diagnostics diskette and start Doctor program (please refer to “Running the PC Doctor Diagnostics Program” on page 135).

2.SelectInteractive Tests .

3.SelectMouse .

4.Follow the instructions in the message window.

ThinkPad i Series 1400 (Part115 II)

Page 123
Image 123
IBM 1400 (2611) manual SelectInteractive Tests, Selectereo Speaker, TrackPoint