Introduction

Important Service Information

Important

Diskette fixes are customer installable.

Advise customers to contact the PC Company HelpCenter at 800-772-2227 if they need assistanc obtaining or installing any diskette fixes.

Customers in Canada should call IBM HelpPC at

800-565-3344 for assistance or down-load information. The Canadian BBS phone numbers are:

Montreal514-938-3022

Toronto905-316-4255

Vancouver604-664-6464

Winnipeg204-934-2735

FRU Replacement Strategy

Before Replacing Parts

Ensure that all diskette fixes are installed pri replacing any FRUs listed in this manual.

Use the following strategy to prevent unnecessary replacement and service expense:

Ÿ

If

you

are instructed

to replace a FRU

and

that

 

does

not

correct the

problem, reinstall

the

original

 

FRU

before

you continue

.

 

 

ŸSome computers have both a processor board a system board. If you are instructed to repl

the processor board or the system board, an board that you replaced does not correct t reinstall the original board, then replace the (processor or system) board.

ŸIf an adapter or device consists of more t FRU, an error code may be caused by any FRUs. Before replacing the adapter or device

remove the FRUs, one by

one,

to

see

if the

toms

change. Replace only

the

FRU

that

change

the

symptoms.

 

 

 

 

Attention

A customized setup configuration (other than de settings) may exist on the computer you are se Running Automatic Configuration may alter those set tings. Note the current configuration settings (us the View Configuration option) and verify that t tings are in place when service is complete.

2 ThinkPad 390X / i 1700 HMM

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IBM I 1700 manual Introduction Important Service Information, Before Replacing Parts, You, Are instructed To replace a FRU