Lenovo ThinkPad 560Z Notebook PC Model 560Z manual Problems, Infrared, Hard-Disk-Drive Problem

Title: C79FPMST CreationDate: 06/22/98 12:26:52

Troubleshooting Charts

Problem Action

The computer does not The over-current protective function in the battery pack might be activa operate with a fully Power off the computer for 1 minute to reset this function; then power charged battery pack.again.

A

Hard-Disk-Drive Problem

Problem

Action

The

hard

disk

drive

makThes rattling

noise

might

be heard

when:

an

intermittent

rattling

The

hard

disk

drive

starts

accessing the data or

when

it

stops.

noise.

You

are

carrying the hard

disk

drive.

You are carrying your computer.

This is

a normal

characteristic

of

a hard disk drive

and

is

not a de

Infrared

Communication

Problems

Problem

Action

Your computer

cannot

Make

sure

that:

communicate with other

The communication speeds are the same.

devices using

the

infrared

port.

The infrared ports are clean.

No

objects

are

between the

computer

and

the

communicating

device.

The

distance

and

angle

between

your

computer

and

the

device

is

wit

set

range.

The application software in the

other

computer

is

compatible

with

tha

yours.

You

are not

operating

under

direct

sunlight.

The infrared ports are directly facing the other communication port.

Communication

might

be

affected

by

the

light

from

the

display

on

the

c

To avoid this,

open

the

display

to

a

wide

angle.

The

same

communication

application

has

to be running on your computer and

the other computer. Refer to the

application manuals for more information.

ThinkPad mode cannot be used if you are using a conventional communication

application

that

uses

the

serial port and

cable

for

data

exchange. (I

the

infrared

port

is a

substitute

for

them.)

118 IBM ThinkPad 560Z User's Reference