Delta THINKPAD R40 Technical Information download pdf (Page 40)

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guide

Use

the

following

procedures

as

a

guide

in

identifying

and

correcting

problems

with

the

ThinkPad

computer.

Note:

The

diagnostic

tests

are

intended

to

test

only

IBM

products.

The

use

of

non-IBM

products,

prototype

cards,

or

modified

options

can

lead

to

false

indications

of

errors

and

invalid

system

responses.

1.

Identify

the

failing

symptoms

in

as

much

detail

as

possible.

2.

Verify

the

symptoms.

Try

to

re-create

the

failure

by

running

the

diagnostic

test

or

by

repeating

the

operation.

Testing

the

computer

The

ThinkPad

computer

has

a

test

program

called

PC-Doctor

®

DOS

(hereafter

called

PC-Doctor.)

You

can

detect

errors

by

running

the

diagnostics

test

included

in

PC-Doctor.

This

section

is

an

overview

of

the

procedure.

For

details

that

depend

on

model-unique

functions,

refer

to

“Product

overview”

on

page

45.

For

some

possible

configurations

of

the

computer,

PC-Doctor

might

not

run

correctly.

To

avoid

this

problem,

you

need

to

initialize

the

computer

setup

by

use

of

the

IBM

BIOS

Setup

Utility

before

you

run

PC-Doctor.

On

the

IBM

BIOS

Setup

Utility

screen,

press

F9,

Enter,

F10,

and

then

Enter.

Note:

When

you

initialize

the

computer

configuration,

some

devices

are

disabled,

such

as

the

serial

port.

If

you

test

one

of

these

devices,

you

will

need

to

enable

it

by

using

PS2.EXE.

PC-Doctor

cannot

be

used

to

test

a

device

that

is

in

the

docking

station,

even

if

the

computer

supports

the

docking

station.

To

test

a

USB

device,

connect

it

to

the

USB

connector

of

the

computer.

To

test

the

Ultrabay

device,

install

it

in

the

Ultrabay

Plus

slot

of

the

computer.

To

run

the

test,

do

as

follows:

Note:

In

the

following

procedure,

you

can

select

an

item

not

only

with

the

arrow

keys,

but

also

with

the

TrackPoint.

Instead

of

pressing

Enter,

click

the

left

button.

1.

Insert

the

PC-Doctor

disk

into

the

diskette

drive;

then

power

on

the

computer.

If

the

computer

cannot

be

powered

on,

go

to

“Power

system

checkout”

on

page

39,

and

check

the

power

sources.

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36

ThinkPad

R40

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