Dell Precision Mobile Workstation M50 Guida utente

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Dell Precision™ Mobile Workstation M50

System Information Guide

Systeeminformatiegids

Guide d'information sur le système

Systeminformationshandbuch

Informazioni di sistema

Guía de información del sistema

Model PP01X

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Dell Precision™ Mobile Workstation M50

System Information Guide

Notes, Notices, and Cautions

NOTE: A NOTE indicates important information that helps you make better use of your computer.

NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells you

how to avoid the problem.

CAUTION: A CAUTION indicates a potential for property damage, personal injury,

or death.

Abbreviations and Acronyms

For a complete list of abbreviations and acronyms, see the User’s Guide (depending on your

operating system, double-click the User’s Guide icon on your desktop or click the Start

button, click Help and Support, click User and system guides, and click User Guide).

____________________

Information in this document is subject to change without notice.

Reproduction in any manner whatsoever without the written permission of Dell Computer Corporation is strictly

forbidden.

Trademarks used in this text: Dell, the DELL logo, Dell Precision, TrueMobile, and AccessDirect are trademarks of

Dell Computer Corporation; Microsoft and Windows are registered trademarks of Microsoft Corporation.

Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and

names or their products. Dell Computer Corporation disclaims any proprietary interest in trademarks and trade names

other than its own.

March 2002 P/N 0R141 Rev. A00

Contents 3

Contents

Safety and EMC Instructions:

Mobile Workstation Computers . . . . . . . . . . . . . . . . . . . 5

Caution: Safety Instructions . . . . . . . . . . . . . . . . . . . 5

EMC Instructions . . . . . . . . . . . . . . . . . . . . . . . . 9

When Using Your Computer . . . . . . . . . . . . . . . . . . 10

Ergonomic Computing Habits . . . . . . . . . . . . . . . . . 11

Protecting Against Electrostatic Discharge . . . . . . . . . . 13

Finding Information and Assistance . . . . . . . . . . . . . . . 14

Setting Up Your Computer . . . . . . . . . . . . . . . . . . . . 17

About Your Computer . . . . . . . . . . . . . . . . . . . . . . . 18

Front View . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Left Side View . . . . . . . . . . . . . . . . . . . . . . . . . 20

Right Side View . . . . . . . . . . . . . . . . . . . . . . . . 20

Back View . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Bottom View . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Removing a Battery . . . . . . . . . . . . . . . . . . . . . . . . 23

Installing a Battery . . . . . . . . . . . . . . . . . . . . . . . . 24

Running the Dell Diagnostics . . . . . . . . . . . . . . . . . . . 24

Regulatory Notices . . . . . . . . . . . . . . . . . . . . . . . . 26

Battery Disposal . . . . . . . . . . . . . . . . . . . . . . . . 27

4Contents

System Information Guide 5

Safety and EMC Instructions: Mobile

Workstation Computers

The following information defines the meaning of additional symbols used

only in the Safety and Electromagnetic Compatibility (EMC) Instructions.

Caution: Safety Instructions

General

Risk of explosion Aircraft

Risk of fire Use of this feature may be prohibited

on aircraft

Risk of electric shock

• Do not attempt to service the computer yourself unless

you are an authorized service technician. Always follow

installation instructions closely.

• If you use an extension power cable with your AC

adapter, ensure that the total ampere rating of the

products plugged in to the extension power cable does

not exceed the ampere rating of the extension cable.

• Do not push objects into air vents or openings of your

computer. Doing so can cause fire or electric shock by

shorting out interior components.

• Place the AC adapter in a ventilated area, such as a desk

top or on the floor, when you use it to run the computer

or to charge the battery. Do not cover the AC adapter

with papers or other items that will reduce cooling; also,

do not use the AC adapter inside a carrying case.

6System Information Guide

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• The AC adapter may become hot during normal

operation of your computer. Use care when handling

the adapter during or immediately after operation.

• Do not allow your mobile workstation computer to

operate with the base resting directly on exposed skin

for extended periods of time. The surface temperature

of the base will rise during normal operation

(particularly when AC power is present). Allowing

sustained contact with exposed skin can cause

discomfort or, eventually, a burn.

• Do not use your computer in a wet environment, for

example, near a bathtub, sink, or swimming pool or in a

wet basement.

• If your computer includes an integrated or optional (PC

Card) modem, disconnect the modem cable if an

electrical storm is approaching to avoid the remote risk

of electric shock from lightning via the telephone line.

• To help avoid the potential hazard of electric shock, do

not connect or disconnect any cables or perform

maintenance or reconfiguration of this product during

an electrical storm. Do not use your computer during

an electrical storm unless all cables have been

disconnected and the computer is operating on battery

power.

• If your computer includes a modem, the cable used

with the modem should be manufactured with a

minimum wire size of 26 American wire gauge (AWG)

and an FCC-compliant RJ-11 modular plug.

• PC Cards may become very warm during normal

operation. Use care when removing PC Cards after their

continuous operation.

• Before you clean your computer, remove power. Clean

your computer with a soft cloth dampened with water.

Do not use liquid or aerosol cleaners, which may

contain flammable substances.

System Information Guide 7

Caution: Power (Safety Instructions, continued)

• Use only the Dell-provided AC adapter approved for

use with this computer. Use of another AC adapter may

cause a fire or explosion.

• Before you connect the computer to an electrical outlet,

check the AC adapter voltage rating to ensure that the

required voltage and frequency match the available

power source.

• To remove power from the computer, turn it off,

remove the battery pack, and disconnect the AC

adapter from the electrical outlet.

• To help prevent electric shock, plug the AC adapter and

peripheral power cables into properly grounded power

sources. These power cables may be equipped with

three-prong plugs to provide an earth grounding

connection. Do not use adapter plugs or remove the

grounding prong from the power cable plug. If you use a

power extension cable, use the appropriate type, two-

prong or three-prong, to mate with the AC adapter

power cable.

• Be sure that nothing rests on your AC adapter’s power

cable and that the cable is not located where it can be

tripped over or stepped on.

• If you are using a multiple-outlet power strip, use

caution when plugging the AC adapter’s power cable

into the power strip. Some power strips may allow you

to insert the plug incorrectly. Incorrect insertion of the

power plug could result in permanent damage to your

computer, as well as risk of electric shock and/or fire.

Ensure that the ground prong of the power plug is

inserted into the mating ground contact of the power

strip.

8System Information Guide

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Caution: Battery (Safety Instructions, continued)

• Use only Dell battery modules that are approved for use

with this computer. Use of other types may increase the

risk of fire or explosion.

• Do not carry a battery pack in your pocket, purse, or

other container where metal objects (such as car keys or

paper clips) could short-circuit the battery terminals.

The resulting excessive current flow can cause

extremely high temperatures and may result in damage

to the battery pack or cause fire or burns.

• The battery poses a burn hazard if you handle it

improperly. Do not disassemble it. Handle a damaged

or leaking battery pack with extreme care. If the battery

is damaged, electrolyte may leak from the cells and may

cause personal injury.

• Keep the battery away from children.

• Do not store or leave your computer or battery pack

near a heat source such as a radiator, fireplace, stove,

electric heater, or other heat-generating appliance or

otherwise expose it to temperatures in excess of 60ºC

(140ºF). When heated to excessive temperatures,

battery cells could explode or vent, posing a risk of fire.

• Do not dispose of your computer’s battery in a fire or

with normal household waste. Battery cells may

explode. Discard a used battery according to the

manufacturer’s instructions or contact your local waste

disposal agency for disposal instructions. Dispose of a

spent or damaged battery promptly.

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