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Dell Laptop Precision M40

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DellPrecision™MobileWorkstationM40User'sGuide

Model PP01X

Notes, Notices, and Cautions

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, Dimension, Dell Precision, Latitude, Inspiron, OptiPlex, ExpressCharge, HyperCool, DellWare, TrueMobile, DellNet, and AccessDirect are

trademarksofDellComputerCorporation;Microsoft, Windows, and MS-DOS are registered trademarks of Microsoft Corporation; 3Com is a registered trademark of 3Com

Corporation; Intel and Pentium are registered trademarks of Intel Corporation; Quadro2 Go is a trademark of NVIDIA Corporation; ENERGY STAR is a registered trademark of

the U.S. Environmental Protection Agency. As an ENERGY STAR partner, Dell has determined that this product meets the ENERGY STAR guidelines for energy efficiency.

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 disclaims any proprietary

interest in trademarks and trade names other than its own.

The following product notice applies to the Macrovision Corporation product that is included with the DVD drive:

This product incorporates copyright protection technology that is protected by method claims of certain U.S. patents and other intellectual property rights owned by

Macrovision Corporation and other rights owners. Use of this copyright protection technology must be authorized by Macrovision Corporation, and is intended for home and

other limited viewing uses only unless otherwise authorized by Macrovision Corporation. Reverse engineering or disassembly is prohibited.

September 2001 1K409 A00

About Your Computer

What You Need to Know

Features and Options

Front View

Setup and Operation

Using Your Computer

Connecting Devices

Passwords and Security

Traveling With Your Computer

Removing and Replacing Parts

Powering Your Computer

AC Adapter and Battery

Conserving Power

Using the System Setup Program

Reinstalling Software

Solving Problems

Finding Solutions

DellDiagnostics

Understanding Error Messages

Getting Help

Help Overview

Contacting Dell

Technical Specifications

Additional Information

Regulatory Notices

Warranty and Return Policy

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.

Back to Contents Page

ACAdapterandBattery:DellPrecision™MobileWorkstationM40User'sGuide

About the AC Adapter

lYou can connect the AC adapter with your computer either turned on or off.

lThe AC adapter works with electrical outlets worldwide. However, power connectors vary among countries. Before you use AC power in a

foreign country, you may need to obtain a new power cable designed for use in that country.

lIf the computer is connected to a Dell docking device, you can run the computer on AC power by connecting the AC adapter to the docking

device.

NOTICE:ToavoidoverheatingtheACadapterwhenpoweringthecomputerorchargingthebattery,usetheACadapterina

ventilated area, such as on a desktop or on the floor. Do not use the AC adapter in a poorly ventilated environment, such as inside a

carrying case.

Connecting the AC Adapter

About the Batteries

lA partially charged lithium-ionbatterycomesstandardinthebatterybay,andprovidespowerwhenanelectricaloutletisnotavailable.Dell

recommends that you charge your battery to full capacity before using it to power the computer. For information on conserving battery power,

see "Conserving Power."

lToincreasebatterylife,installasecondbatteryinthemodularbay.

lWith a single fully charged, 8- - -cell lithium ion battery, you can expect about 2–4 hours of battery life; with two fully charged lithium ion batteries,

4 –8hoursofbatterylife.Actualperformancedependsonthepowermanagementfeaturesandapplicationprogramsyouuse.

lWhen two batteries are installed, the computer draws power from the battery with the higher capacity until both batteries are at the same

chargelevel.Thenitdrawspowerfromboth.TheACadapterfirstchargesthebatteryinthebatterybay.



lThe integrated charge gauge lets you check a battery’s charge before you insert it into the computer.

About the AC Adapter

Checking the Battery Charge

Connecting the AC Adapter

Battery Warnings

About the Batteries

Charging the Battery

Removing a Battery

Detecting Battery Problems

Installing a Battery

Battery Disposal

NOTE: If you are running your computer on AC power with a battery installed, the AC adapter charges the battery (if needed) and then

maintains the battery's charge.

CAUTION: Do not puncture, disassemble, or incinerate the computer's battery. The battery may present a fire or chemical burn

hazardifmistreated.Donotexposethebatterytotemperaturesabove60°Celsius(C)(140°Fahrenheit[F]).Keepthebattery

away from children. Handle damaged or leaking batteries with extreme care. If the battery is damaged, electrolyte may leak

from the cells and cause personal injury.



lThe battery’s self- test capability alerts you to battery conditions such as low charge.



lThe battery has a life span of around 400 discharge/charge cycles, provided it is charged at normal room temperature.

lWhen you activate standby mode, the computer can run on a fully- chargedbatteryforapproximatelyoneweek.

lIf you are going to store the computer, disconnect all devices and turn off the computer. Remove the battery when you store your computer for

an extended period of time. A battery will drain when not in use during prolonged storage. After a long storage period, recharge the battery

fully before you attempt to run your computer from the battery.

lDo not dispose lithium ion batteries with common household waste products. See "Battery Disposal" for more information.

lLithium-ion batteries are longer lived than conventional batteries and do not require replacement as often. You can charge the lithium ion

battery whenever you like without fear of reducing its charge capacity. You do not need to drain a lithium ion battery completely before

recharging it.

Removing a Battery

NOTICE: If you choose to replace the battery with the computer in standby mode, you have up to 4 minutes to complete the battery

replacement. After 4 minutes, the computer shuts down and you will lose any unsaved data.

1. Ensure that the computer is turned off, suspended in a power management mode, or connected to an electrical outlet.

2. If the computer is docked, undock it.

3. Close the display and turn the computer over.

4. Slide and hold the battery bay (or module bay) latch release on the bottom of the computer, and then remove the battery from the bay.

Installing a Battery

Slide the battery into the bay until the latch release clicks.

Checking the Battery Charge

Press the battery test button next to the lights. The number of lights that appear shows an estimate of the remaining battery charge.

Battery Charge Gauge and Test Button

Lights

Charge Remaining (%) or Description

Produktspecifikationer

Varumärke:	Dell
Kategori:	Laptop
Modell:	Precision M40
Enhetsplacering:	Vrijstaand
Färg på produkten:	Roestvrijstaal
Dörrgångjärn:	Rechts
Inbyggd display:	Nee
Vikt:	32000 g
Bredd:	550 mm
Djup:	520 mm
Höjd:	1230 mm
Nettoskatt:	- W
Ljudnivå:	41 dB
Energie-efficiëntieklasse:	E
Årlig-energiförbrukning:	193 kWu
Förpackningens vikt:	35000 g
Förpackningens bredd:	590 mm
Djuppackning:	580 mm
Förpackningshöjd:	1270 mm
Frys nettokapacitet:	24 l
Fryskapacitet:	2 kg/24u
Dörröppningsriktning utbytbar:	Ja
Kylskåpets nettokapacitet:	138 l
No Frost (kylskåp):	Nee
Antal hyllor i kylskåp:	2
Antal-grönsakslådor:	1
Frysläge:	Boven
No Frost (frys):	Nee
Retentionstid vid strömavbrott:	11 uur
Total nettokapacitet:	162 l
Automatisk avfrostning (kylskåp):	Ja
Total bruttokapacitet:	163 l
Hyllmaterial:	Gehard glas
Kylskåpsdörrfickor:	4
Energianvändning per dag:	0.41 kWh/24u
Kylmedium:	R600a
Lägsta drifttemperatur:	16 °C
Maximal temperatur (drift):	38 °C
Klimaatklasse:	N-ST
Bulleremissionsklass:	C
Justerbara fötter:	Ja
Energieffektivitetsskala:	A tot G
Hjulhjul:	Ja