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Dell Inspiron 7500 Reference And Troubleshooting Guide

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    							Dell™ Inspiron™ 7500 System
    REFERENCE AND TROUBLESHOOTING GUIDE
    BE DIRECTwww.dell.com™ ™ 
    						
    							Notes, Notices, and CautionsThroughout this guide, blocks of text may be accompanied by an icon and printed in bold type or in italic type. 
    These blocks are notes, notices, and cautions, and they are used as follows:
    NOTE: A NOTE indicates important information that helps you make better use of your computer system.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 potentially hazardous situation which, if not avoided, may result 
    in minor or moderate injury.
     ____________________
    Information in this document is subject to change without notice.
    © 1999 Dell Computer Corporation. All rights reserved.
    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, Inspiron, and MegaBay are trademarks and DellWare is a service mark of Dell 
    Computer Corporation; Microsoft, MS-DOS, Windows, and Windows NT are registered trademarks of Microsoft Corporation; Intel is 
    a registered trademark of Intel 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.
    September 1999     P/N 6945T  Rev. A00 
    						
    							vSafety Instructions
    As you use your computer, observe the following safety guidelines:•
    Do not attempt to service the computer yourself. Always follow installation 
    instructions closely.•
    Do not carry a battery pack in your pocket, purse, or other container where metal 
    objects (such as car keys) could short-circuit the battery terminals. The resulting 
    excessive current flow can cause extremely high temperatures and may result in 
    damage from burns.•
    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.•
    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.•
    Do not use your computer in a wet environment, for example, near a bathtub, 
    sink, or swimming pool or in a wet basement.•
    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.•
    Use only the AC adapter and batteries that are approved for use with this 
    computer as indicated in this document. Use of another type of battery pack or      
    AC adapter may risk fire or explosion.•
    Before you connect the computer to a power source, ensure that the voltage 
    rating of the AC adapter matches that of the available power source:
    —115 volts (V)/60 hertz (Hz) in most of North and South America and some        
    Far Eastern countries such as South Korea and Taiwan
    —100 V/50 Hz in eastern Japan and 100 V/60 Hz in western Japan
    —230 V/50 Hz in most of Europe, the Middle East, and the Far East•
    To help prevent electric shock, plug the AC adapter and peripheral power cables 
    into properly grounded power sources. These cables are equipped with 3-prong 
    plugs to help ensure proper grounding. Do not use adapter plugs or remove the 
    grounding prong from a cable. If you must use an extension cable, use a 3-wire 
    cable with properly grounded plugs. 
    						
    							vi•
    If you use an extension cable with your AC adapter, ensure that the total ampere 
    rating of the products plugged in to the extension cable does not exceed the 
    ampere rating of the extension cable.•
    To remove power from the computer, turn it off, remove the battery pack, and 
    disconnect the AC adapter from the electrical outlet.•
    If your computer includes an integrated or optional (PC Card) modem, disconnect 
    the modem cable during an electrical storm 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.•
    PC Cards may become very warm during normal operation. Use care when 
    removing PC Cards after their continuous operation.•
    Do not dispose of battery packs in a fire. They may explode. Check with local 
    authorities for disposal instructions.•
    When traveling, do not check the computer as baggage. You can put your 
    computer through an X-ray security machine, but never put your computer 
    through a metal detector. If you have the computer checked by hand, be sure to 
    have a charged battery available in case you are asked to turn on the computer.•
    When traveling with the hard-disk drive removed from the computer, wrap the 
    drive in a nonconducting material, such as cloth or paper. If you have the drive 
    checked by hand, be ready to install the drive in the computer. You can put the 
    hard-disk drive through an X-ray security machine, but never put the drive through 
    a metal detector. •
    When traveling, do not place the computer in overhead storage compartments 
    where it could slide around. Do not drop your computer or subject it to other 
    mechanical shocks.•
    Protect your computer, battery, and hard-disk drive from environmental hazards 
    such as dirt, dust, food, liquids, temperature extremes, and overexposure to 
    sunlight.•
    When you move your computer between environments with very different 
    temperature and/or humidity ranges, condensation may form on or within the 
    computer. To avoid damaging the computer, allow sufficient time for the moisture   
    to evaporate before using the computer.      NOTICE: When taking the computer from low-temperature conditions 
    into a warmer environment or from high-temperature conditions into   
    a cooler environment, allow the computer to acclimate to room 
    temperature before turning on power. 
    						
    							vii•
    When you disconnect a cable, pull on its connector or on its strain-relief loop, not 
    on the cable itself. As you pull out the connector, keep it evenly aligned to avoid 
    bending any connector pins. Also, before you connect a cable make sure both 
    connectors are correctly oriented and aligned.•
    Handle components with care. Hold a component such as a memory module by 
    its edges, not its pins.•
    When removing a memory module from the system board or disconnecting a 
    peripheral device from the computer, wait 5 seconds after turning off the 
    computer before removing the memory module or disconnecting the device           
    to help avoid possible damage to the system board.•
    Before you clean your computer, turn it off, unplug it from its power source, and 
    remove the battery pack(s). •
    Clean your computer and display with a soft cloth dampened with water rather 
    than with liquid or aerosol cleaners.•
    If your computer gets wet or is damaged, follow the procedures described in 
    Chapter 3, “Basic Troubleshooting.” If, after following these procedures, you 
    confirm that your computer is not operating properly, contact Dell Computer 
    Corporation. (See Chapter 5, “Getting Help,” for the appropriate telephone 
    number.)Ergonomic Computing Habits 
    CAUTION: Improper or prolonged keyboard use may result in injury.
    CAUTION: Viewing the display or external monitor screen for extended 
    periods of time may result in eye strain. 
    						
    							viii
    For comfort and efficiency, observe the following ergonomic guidelines when setting 
    up and using your computer:•
    When setting up the computer for work, place it on a level surface.•
    Position your computer directly in front of you as you work.•
    Adjust the tilt of the computer’s display, its contrast and/or brightness 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 display.•
    When using an external monitor with your computer, set the monitor at a 
    comfortable viewing distance (usually 510 to 610 millimeters [20 to 24 inches]    
    from your eyes). Make sure the monitor screen is at eye level or slightly lower   
    when you are sitting in front of the monitor. •
    Use a chair that provides good lower-back support.•
    Keep your forearms horizontal with your wrists in a neutral, comfortable position 
    while using the keyboard, trackball, touch pad, or external mouse.•
    Always use the palmrest with the keyboard, touch pad, or trackball. Leave space 
    to rest your hands when using an external mouse.•
    Let your upper arms hang naturally at your sides.•
    Sit erect with your feet resting on the floor and your thighs level.•
    When sitting, make sure the weight of your legs is on your feet and not on the 
    front of your chair seat. Adjust your chair’s height or use a footrest, if necessary, 
    to maintain proper posture.•
    Vary your work activities. Try to organize your work so that you do not have to 
    type for extended periods of time. When you stop typing, try to do things that 
    use both hands.
    arms at desk level computer positioned 
    directly in front 
    of userwrists relaxed 
    and flat 
    						
    							ixWhen Removing or Installing Memory 
    Modules             
    Before removing or installing memory modules, perform the following steps in the 
    sequence indicated. NOTICE: The only time you should ever access the inside of your computer 
    is when you are installing memory modules.
    NOTICE: Wait 5 seconds after turning off the computer before disconnecting 
    a peripheral device or removing a memory module to help prevent 
    possible damage to the system board.
    1.Turn off your computer and any attached peripherals.
    2.Disconnect your computer and peripherals from the electrical outlets to reduce 
    the potential for personal injury or shock. Also, disconnect any telephone or 
    telecommunication lines from the computer.
    3.Remove the main battery from the MegaBay and, if necessary, the second 
    battery from the media bay. 
    4.Ground yourself by touching the unpainted metal surface of the I/O panel on the 
    back of the computer.
    While you work, periodically touch the I/O panel to dissipate any static electricity 
    that might harm internal components.Protecting Against Electrostatic Discharge 
    Static electricity can harm electronic components inside your computer. To prevent 
    static damage, discharge static electricity from your body before you touch any of 
    your computer’s electronic components, such as a memory module. You can do so       
    by touching an unpainted metal surface on the computer’s I/O panel.
    As you continue to work inside the computer, periodically touch an I/O connector to 
    remove any static charge your body may have accumulated. 
    						
    							x
    You can also take the following steps to prevent damage from electrostatic discharge 
    (ESD):•
    When unpacking a static-sensitive component from its shipping carton, do not 
    remove the component from the antistatic packing material until you are ready to 
    install the component. Just before unwrapping the antistatic packaging, be sure 
    to discharge static electricity from your body.•
    When transporting a sensitive component, first place it in an antistatic container 
    or packaging.•
    Handle all sensitive components in a static-safe area. If possible, use antistatic 
    floor pads and workbench pads.
    The following notice may appear throughout this document to remind you of these 
    precautions:NOTICE: See “Protecting Against Electrostatic Discharge” in the safety 
    instructions at the front of this guide. 
    						
    							xiPreface
    About This Guide
    This guide is intended for anyone who uses a Dell portable computer. It can be used 
    by both first-time and experienced computer users who want to learn about the 
    features of the computer. This guide also provides basic troubleshooting procedures 
    and instructions for using the Dell Diagnostics to test your computer and its 
    components. 
    Summaries of the chapters and appendixes of this guide follow:•
    Chapter 1, “Introduction,” provides an overview of the computer features and a 
    list of available upgrades.•
    Chapter 2, “Options and Upgrades,” describes the installation procedures for the 
    options and upgrades available from Dell for your computer.•
    Read Chapter 3, “Basic Troubleshooting,” for some initial checks and procedures 
    that you can use to solve basic computer problems and for some general 
    guidelines on analyzing software problems.•
    Chapter 4, “Installing System Software,” provides detailed instructions for 
    reinstalling system drivers and software.•
    Chapter 5, “Getting Help,” describes the help tools Dell provides to assist you if 
    you have a problem with the computer. It also explains how and when to call Dell 
    for technical assistance.•
    Appendix A, “Technical Specifications,” is intended primarily as reference 
    material if you are interested in learning more about the details of your computer.•
    Read Appendix B, “Using the Setup Program,” to learn how to access the Setup 
    program, which allows you to change system settings, such as your computer’s 
    power conservation features.•
    Appendix C, “System Messages and Beep Codes,” defines system messages 
    and beep codes.•
    Appendix D, “Regulatory Notices,” is for users who are interested in which 
    regulatory agencies have tested and approved your computer.•
    Appendix E, “Warranty, Return Policy, and Year 2000 Statement of Compliance,” 
    describes the warranty for your Dell computer, the “Total Satisfaction” Return 
    Policy, and the year 2000 compliance of Dell-branded hardware products. 
    						
    							xiiWarranty and Return Policy Information
    Dell Computer Corporation (“Dell”) manufactures its hardware products from parts 
    and components that are new or equivalent to new in accordance with industry-
    standard practices.
    For information about the Dell warranty and return policy, see Appendix E, “Warranty, 
    Return Policy, and Year 2000 Statement of Compliance.”Other Documents You May Need
    In addition to this Reference and Troubleshooting Guide, the following documentation is 
    included with your computer:•
    The Setup Guide provides instructions for setting up a Dell Inspiron computer and 
    for using your computer’s hardware. •
    The system Help contains essential information you need to use your computer.
    To open the Help, click the Start button, point to Programs—> Dell Documents, 
    and click Dell Inspiron 7500 System Help.
    You may also have one or more of the following documents:•
    Information updates describing changes to your computer or software.
    NOTE: Always read any included update before consulting any other 
    documentation because the updates contain the latest information.•
    Operating system documentation is included if Dell installed the operating 
    system on your hard-disk drive. This documentation describes how to configure 
    and use your operating system software.Notational Conventions
    The following subsections list notational conventions used in this document.Notes, Notices, and Cautions
    Throughout this guide, blocks of text may be accompanied by an icon and printed in 
    bold type or in italic type. These blocks are notes, notices, and cautions, and they are 
    used as follows:
    NOTE: A NOTE indicates important information that helps you make better use of 
    your computer system.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 potentially hazardous situation which,     
    if not avoided, may result in minor or moderate injury. 
    						
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