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Safety precautions, Preface – Toshiba PORTEGE M400 User Manual

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PORTEGE M400 Maintenance Manual (960-541)

[CONFIDENTIAL]

iii

Preface

This maintenance manual describes how to perform hardware service maintenance for the

The procedures described in this manual are intended to help service technicians isolate

(FRUs) and replace them in the field.

Four types of messages are used in this manual to bring important information to your
a

DANGER: “Danger” indicates the existence of a hazard that could result in death or

Toshiba Personal Computer PORTEGE M400, referred to as PORTEGE M400 in this
manual.

faulty Field Replaceable Units

SAFETY PRECAUTIONS

ttention. Each of these messages will be italicized and identified as shown below.

serious bodily injury, if the safety instruction is not observed.

WARNING: “Warning” indicates the existence of a hazard that could result in bodily

injury, if the safety instruction is not observed.

CAUTION: “Caution” indicates the existence of a hazard that could result in property

damage, if the safety instruction is not observed.

NOTE: “Note” contains general information that relates to your safe maintenance

service.

Improper repair of the computer may result in safety hazards. Toshiba requires service
technicians and authorized dealers or servic
pre

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with the ISO/DIS 8764-1:1996. If a

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ttery, be sure to use only the same model

battery or an equivalent battery recommended by Toshiba. Installation of the wrong
battery can cause the battery to explode.

e providers to ensure the following safety

cautions are adhered to strictly.

Be sure to fasten screws securely with the right screwdriver. Be sure to use the PH
Point size “0” and “1” screwdrivers complying
screw is not fully fastened, it could come loose, creating a danger of a short circuit,
which could cause overheating, smoke or fire.

If you replace the battery pack or RTC ba