DELL 2000 Reference Guide

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Introduction

1-7

reduction in electricity usage can reduce emissions of carbon dioxide, the gas prima-
rily responsible for the greenhouse effect, and sulfur dioxide and nitrogen oxides,
which are the two primary causes of acid rain.

Computer users can also help to reduce electricity usage and its side effects by turn-
ing off their computer systems when they are not in use for extended periods of
time—particularly at night and on weekends.

% ! )

Dell offers the following upgrade options:

Additional batteries

External pointing devices, keyboards, and a numeric keypad

External monitors

External speakers, headphones, and microphones

Printers

Hard-disk drives

DVD-ROM drives

SuperDisk LS-120 drives

AC adapter

PC Cards

Carrying case

To order any of these options or upgrades, call Dell. For instructions, see Chapter 5,
“Getting Help”

, or the “Contacting Dell” section of the system Help.

If at any time you do not understand a procedure described in this guide, or if your
computer does not perform as expected, Dell provides a number of tools to help you.
For more information, see Chapter 5, “Getting Help.”