Page 2
Reproduction in any manner whatsoever without the written permission of Dell Computer Corporation is strictly forbidden. Trademarks used in this text: Dell, OptiPlex, and the DELL logo are registered trademarks and DellWare is a registered service mark of Dell Computer Corporation; Intel, Pentium, and LANDesk are registered trademarks and MMX is a trademark of Intel Corporation; Microsoft, Windows, and Windows NT are registered trademarks of Microsoft Corporation.
• Position your system so that the monitor and key- board are directly in front of you as you work. Special shelves are available (from Dell and other sources) to help you correctly position your keyboard. • Set the monitor at a comfortable viewing distance (usually 510 to 610 millimeters [20 to 24 inches] from your eyes).
Page 4
• Adjust the tilt of the monitor, its contrast and bright- ness settings, and the lighting around you (such as overhead lights, desk lamps, and the curtains or blinds on nearby windows) to minimize reflections and glare on the monitor screen. •...
Page 5
hen Working With Your Computer Take note of these safety guidelines when appropriate: • To help avoid possible damage to the system board, wait 5 seconds after turning off the system before disconnecting a peripheral device from the computer. • When you disconnect a cable, pull on its connector or on its strain-relief loop, not on the cable itself.
Page 7
This Guide This guide is intended for anyone who uses a Dell Opti- Plex N or OptiPlex NX computer system. It can be used by both first-time and experienced computer users who want to learn about the features and operation of the sys- tem or who want to upgrade their computers.
For the OptiPlex N, a 166-, 200-, or 233-megahertz (MHz) Intel Pentium microprocessor with MMX technology and 256 kilobytes (KB) of cache memory. For the OptiPlex NX, a 233-, 266-, or 300-MHz Intel Pentium II microprocessor with MMX technology and 512 KB of cache memory. •...
• Network device drivers for several operating systems. • For the OptiPlex NX, audio drivers for use with the integrated audio controller. • The Dell Inspector program, which is a Desktop Management Interface (DMI) browser that allows you to view your computer’s current hardware con- figuration and operating system version.
esponding to Error Messages Each time you turn on your computer system, the system compares the hardware installed in the system to the hardware listed in the system configuration information stored in nonvolatile random-access memory (NVRAM) on the system board. If the system detects a discrepancy, it generates error messages that identify the incorrect configuration settings.
Ring udio Connectors for the OptiPlex NX On the back of the OptiPlex NX computer are three audio connectors (see Figure 1-3) that provide access to the 16-bit audio controller integrated onto the computer’s system board. To use external speakers, connect the speaker cable to the middle (line-out) audio connector.
Page 17
The EPA’s Energy Star Computers program is a joint effort between the EPA and computer manufacturers to reduce air pollution by promoting energy-efficient com- puter products. The EPA estimates that use of Energy Star computer products can save computer users up to two billion dollars annually in electricity costs.
Page 18
Dell OptiPlex N and OptiPlex NX Systems User’s Guide...
Doing so ensures that you lose no more than a week’s work and most likely only a day’s work. Because your Dell OptiPlex N or OptiPlex NX system is connected to a network, most of the backup process is automatic.
Each Dell system is rated to operate at 20 percent to 80 percent relative humidity, with a humidity gradation of 10 percent per hour. In storage, a Dell system can withstand from 5 percent to 95 percent relative humidity.
Each Dell system is rated to operate at altitudes from –16 to 3048 m (–50 to 10,000 ft) and can be stored at altitudes of –16 to 10,600 m (–50 to 35,000 ft).
Dell OptiPlex N and OptiPlex NX Systems User’s Guide Your network administrator should verify your power source and network cables; however, you should ensure...
Surge protectors, however, do not offer protection against brownouts, which occur when the voltage drops more than 20 percent below the normal AC line voltage level. Line Conditioners Line conditioners keep a computer’s AC power source voltage at a fairly constant level and, therefore, can handle brownouts.
Page 24
Dell OptiPlex N and OptiPlex NX Systems User’s Guide...
Appendix A Regulatory Notices CC Notices (U.S. Only) Most Dell computer systems are classified by the Federal Communications Commission (FCC) as Class B digital devices. However, the inclusion of certain options changes the rating of some configurations to Class A. To...
This device must accept any interference received, including interference that may cause undesired operation. Dell OptiPlex N and OptiPlex NX Systems User’s Guide The following information is provided on the device or devices covered in this document in compliance with FCC regulations: •...
“Safety of Information Technology Equipment including Electrical Business Equipment.” A “Declaration of Conformity” in accordance with the preceding standards has been made and is on file at Dell Products Europe BV, Limerick, Ireland. CCI Notices (Japan Only) Most Dell computer systems are classified by the Volun- tary Control Council for Interference (VCCI) as Class B information technology equipment (ITE).
(or other Dell digital apparatus), examine all registration labels located on the bottom or back panel of your computer (or other Dell digital appa- ratus), on card-mounting brackets, and on the cards themselves. If any one of the labels carries a Class A rat- ing, your entire system is considered to be a Class A digital device.
Mexican standards (NOM 024): Exporter: Dell Computer Corporation One Dell Way Round Rock, TX 78682 Importer: Dell Computer de México, S.A. de C.V. Rio Lerma No. 302 - 4° Piso Col. Cuauhtemoc 16500 México, D.F. Ship to: Dell Computer de México, S.A.
Kuehne & Nagel de México S. de R.I. Avenida Soles No. 55 Col. Peñon de los Baños 15520 México, D.F. Tensión alimentación: 115/230 V.C.A. ±10% Frecuencia: 60/50 Hz Consumo de corriente: 6.0/3.0 A Dell OptiPlex N and OptiPlex NX Systems User’s Guide...
Dell system after the system is shipped from Dell; accessories or parts added to a Dell system through Dell’s system integration department; accesso- ries or parts that are not installed in the Dell factory; or ® DellWare products.
If you are an end-user customer who bought products directly from a Dell company, you may return them to Dell up to 30 days from the date of invoice for a refund of the product purchase price if already paid. This refund will not include any shipping and handling charges shown on your invoice.
Page 33
may return software for refund or credit only if the sealed package containing the diskette(s) or CD(s) is unopened. Returned products must be in as-new condition, and all of the manuals, diskette(s), CD(s), power cables, and other items included with a product must be returned with it. This “Total Satisfaction”...
Page 34
Dell OptiPlex N and OptiPlex NX Systems User’s Guide...