Lenovo THINKPAD T41/T41P Bedienungsanleitung PDF herunterladen (Seite 31)

General descriptions

The desciptions in this chapter apply to any ThinkPad

model that has the PC-Doctor

DOS diagnostics program.

Some descriptions might not apply to your particular

computer.

Read this first

Before you go to the checkout guide, be sure to read this

section.

Important notes

v Only certified trained personnel should

service the computer.

v Before replacing any FRU, read the entire

page on removing and replacing FRUs.

v When you replace FRUs, use new

nylon-coated screws.

v Be extremely careful during such write

operations as copying, saving, or formatting.

Drives in the computer that you are servicing

sequence might have been altered. If you select

an incorrect drive, data or programs might be

overwritten.

v Replace an FRU only with another FRU of the

correct model. When you replace a FRU, make

sure that the model of the machine and the FRU

part number are correct by referring to the FRU

parts list.

v A FRU should not be replaced because of a

single, unreproducible failure. Single failures

can occur for a variety of reasons that have

nothing to do with a hardware defect, such as

cosmic radiation, electrostatic discharge, or

software errors. Consider replacing a FRU only

when a problem recurs. If you suspect that a

FRU is defective, clear the error log and run the

test again. If the error does not recur, do not

replace the FRU.

v Be careful not to replace a nondefective FRU.

What to do first

When you do return a FRU, you must include the following

information in the parts exchange form or parts return form

that you attach to it:

__ 1. Name and phone number of servicer

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Lenovo THINKPAD T41/T41P Bedienungsanleitung Seite 31