Troubleshooting charts

HDD problems

Problem

 

 

Action

 

 

 

 

 

 

 

 

 

 

 

The

computer

doesn't

Ÿ

Check

the

BIOS setup utility and see HDD settings are

configured correctly.

boot

to the

operatingŸ

If

the

settings are correct and the computer still doesn't boot up, have th

system.

 

 

computer

serviced.

 

 

 

 

 

 

 

 

 

 

 

 

Infrared

communication

problems

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Problem

 

Action

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Your computer cannot Make sure that:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

communicate with other Ÿ

The

IR

function

is

enabled.

 

 

 

 

 

 

 

 

 

 

 

 

 

devices

using

the

The

communication speeds are the same.

 

 

 

 

 

 

 

 

 

infrared

port.

Ÿ

 

 

 

 

 

 

 

 

 

 

 

Ÿ

The

infrared

ports

are

clean.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ÿ

No objects

are

between the computer and the

communicating

device.

 

 

 

Ÿ

The

distance

and

angle

between

your

computer

and

the

device

is

within

the

 

 

 

set

range.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ÿ

The

other

computer's

infrared

port

complies

to

the

same

 

standard

as yours.

 

 

Ÿ

You

are

not

operating

under

direct

sunlight.

 

 

 

 

 

 

 

 

 

 

Ÿ

The infrared ports are directly facing each other.

 

 

 

 

 

 

 

 

Communication

can

be

affected by the light from

the

display

on

the

computer. To

 

 

avoid

this,

open the display to

a

wide angle.

 

 

 

 

 

 

 

 

 

 

The

same communications

application

has

to

be

running on

your computer

and

 

 

 

the other computer. Refer to the application manuals for more information.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Incorrect data is sentMake sure that:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

between

your

computer Ÿ

The

distance

and

angle

between

your

computer

and

the

device

is

within

the

and a communicating

set

range.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

device.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ÿ

The

communication

speeds

are the

same.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ŸThere are no other devices that radiate infrared rays, such as remote- controlled devices or wireless headphones, near your computer or the com- municating device.

Ÿ

You

are not

operating under

direct

sunlight.

Ÿ

No

fluorescent

lamps are near

your

computer or the communicating device.

98 ThinkPad 240 User's Reference

Page 110
Image 110
IBM 240 manual HDD problems, Communication Problems Action