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Macintosh PowerBook
User' s Manual
Includes setup, expansion,
and important health-related information for
Macintosh PowerBook G3 Series computers

   Related Manuals for Apple PowerBook G3

   Summary of Contents for Apple PowerBook G3

  • Page 1

     Macintosh PowerBook User’ s Manual Includes setup, expansion, and important health-related information for Macintosh PowerBook G3 Series computers...

  • Page 2

    © 1998 Apple Computer, Inc. All rights reserved. Under the copyright laws, this manual may not be copied, in whole or in part, without the written consent of Apple. The Apple logo is a trademark of Apple Computer, Inc., registered in the U.S. and other countries. Use of the “keyboard”...

  • Page 3: Table Of Contents

    Contents Communications Regulation Information 7 Laser Information 11 High-Risk Activities Warning 11 Setting Up Becoming Familiar With Your Macintosh PowerBook 13 Hardware at a Glance 13 Your Computer’s Components and Controls 14 Your Computer’s Ports and Connectors 16 Setting Up the Computer 18 Your PowerBook Battery 18 Plugging In the Computer 20 Opening the Display 21...

  • Page 4: Table Of Contents

    Using Your PowerBook and Connecting to a Network Using the Expansion Bays 30 Using Expansion Bay Modules 30 Removing an Expansion Bay Module 31 Inserting an Expansion Bay Module 33 Using a Disc in the CD-ROM or DVD-ROM Drive 34 Ejecting a Disc 36 Power Sources 37 AC Power 37...

  • Page 5: Table Of Contents

    Using Your PowerBook’s Optional Internal Modem 51 Setting Up Your Modem’s Connections 51 Connecting the Telephone Line to the Modem 51 What Modems Do 53 Software for Your Modem 53 Choosing the Port Setting 54 Modem Tips and Troubleshooting 55 Connecting Additional Equipment Connecting a Printer 58 Connecting an External Modem 58...

  • Page 6: Table Of Contents

    Appendix Health, Safety, and Maintenance Tips Health-Related Information About Computer Use 85 Musculoskeletal Discomfort 85 Eye Fatigue 86 Arranging Your Work Area and Equipment 87 Chair 87 Keyboard and Trackpad 87 Mouse 88 Built-In Display 88 External Monitor 88 Avoiding Fatigue 88 What About Electromagnetic Emissions? 88 Important Care and Safety Instructions 89 Caution 90...

  • Page 7: Communications Regulation Information

    FCC Certification and negate your authority to operate the product. This product was tested for FCC compliance under conditions that included the use of Apple peripheral devices and Apple shielded cables and connectors between system components. It is important that you use Apple peripheral devices and shielded cables and connectors between system components to reduce the possibility of causing interference to radios, television sets, and other electronic devices.

  • Page 8

    If disconnecting the modem eliminates the problem, the modem itself may need service. See the service and support information that came with your Apple product for instructions on how to contact Apple or an Apple- authorized service provider for assistance.

  • Page 9

    Any equipment malfunctions or repairs or alterations that you make to this equipment may cause the telecommunications company to request that you disconnect the equipment. In Canada, contact Apple at: 7495 Birchmount Road, Markham, Ontario, L3R 5G2, 800-263-3394 Users should ensure for their own protection that the electrical ground connections of the power utility, telephone lines, and internal metallic water pipe system, if present, are connected together.

  • Page 10

    Pour sa propre protection, I’utilisateur doit s’assurer que tous les fils de mise à la terre du secteur, des lignes téléphoniques et les canalisations d’eau métalliques, s’il y en a, soient raccordés ensemble. Cette précaution est particulièrement importante dans les régions rurales. L’utilisateur ne doit pas tenter de faire ces raccordements lui-même;...

  • Page 11: Laser Information, High-risk Activities Warning

    The use of optical instruments, such as magnifying lenses, with this product increases the potential hazard to your eyes. For your safety, have this equipment serviced only by an Apple-authorized service provider. Your computer is a Class 1 laser product. The Class 1 label, located in a user-accessible area, indicates that the drive meets minimum safety requirements.

  • Page 13: Setting Up, Becoming Familiar With Your Macintosh Powerbook, Hardware At A Glance

    C H A P T E R Setting Up Your Macintosh PowerBook has been designed so that you can set it up quickly and start using it right away. If you have never used a PowerBook or are new to Macintosh computers, read this chapter for an overview of PowerBook features and instructions on getting started.

  • Page 14: Your Computer's Components And Controls

    Your Computer’s Components and Controls Display latch Microphone ¤ Ï Volume control Brightness control Sleep indicator Speaker ® Power button — Mute button Speaker Security slot Expansion bay with a CD-ROM or DVD-ROM Left expansion drive inserted bay release lever Trackpad Trackpad button Right expansion bay release lever...

  • Page 15

    Sleep indicator Blinking green light indicates when the PowerBook is in sleep. ® Power button Turns your PowerBook on and off. Microphone Record sounds directly to your PowerBook hard disk with this built-in microphone. ¤ Brightness control Increase or decrease the brightness of your PowerBook display. Ï...

  • Page 16: Your Computer's Ports And Connectors

    Your Computer’s Ports and Connectors ´ Printer/ External modem port Expansion bay with Apple Desktop a PowerBook battery Bus (ADB) port Left expansion bay release Sound lever output port √ Sound input port Internal ¯ modem Power port adapter port...

  • Page 17

    Infrared window Allows you to use infrared (IR) communication to send files to another IR-equipped computer or connect to a wireless IrDA network. SCSI port (HDI-30) Connect up to seven external SCSI devices (such as external hard drives or scanners). ´...

  • Page 18: Setting Up The Computer, Your Powerbook Battery

    Setting Up the Computer Now that you know some essential details about your PowerBook, you’re ready to set it up and begin using it. Setting up your Macintosh PowerBook for the first time is a quick and simple process. However, there are a few items that you need to have and things to do before you begin using your PowerBook.

  • Page 19

    Pull the left expansion bay release lever to partially eject the floppy disk drive module. Wall St. User’s Manual 034-0426-A Slide the floppy disk drive module out of its compartment. Gently slide the battery (with the battery name facing up) into the left expansion bay until the edge of the battery is flush with the left side of the PowerBook.

  • Page 20: Plugging In The Computer

    Plugging In the Computer Plugging in the power adapter recharges the computer’s battery. You should plug in the power adapter in case the battery has drained during shipping or storage. When you are ready to begin, follow these steps: Plug one end of the power cord into the power adapter and the other end into an outlet or power strip.

  • Page 21: Opening The Display

    Opening the Display Gently pull the display latch to release it. Position the display at a comfortable viewing angle. You can adjust the angle of the display at any time by tilting it toward or away from you. Setting Up...

  • Page 22: Turning The Computer On

    Turning the Computer On To turn on the computer for the first time, press the Power button (®) above the keyboard. ® Power button You should hear a tone when you turn on the computer. It takes the computer a few moments to start up.

  • Page 23: Problems Turning The Computer On

    Problems Turning the Computer On? Nothing happened when you pressed the Power button. m The battery may be drained. Make sure that you plugged in the power adapter, and that the power adapter is firmly connected to both the computer and a power source. If the power adapter is plugged into a power strip, make sure the power strip is plugged in and turned on.

  • Page 24: Adjusting The Internal Display, Adjusting The Resolution Of The Internal Display

    Adjusting the Internal Display Before you begin working with your new PowerBook, you may need to adjust your display so that items on the screen are easy to see. Your PowerBook comes with a control (labeled with the ¤ icon) that adjusts screen brightness. ¤...

  • Page 25: Moving Items On The Screen, Tips For Using The Trackpad

    Moving Items on the Screen You use your PowerBook trackpad to move items and select items on the screen. To move the arrow pointer on the screen, slide your finger across the trackpad. To select, click, or double-click an item on the screen, press the trackpad button. Trackpad Trackpad button The trackpad is sensitive to how fast you move your finger.

  • Page 26: Putting The Computer To Sleep

    Putting the Computer to Sleep Sleep is a power conservation feature of Macintosh PowerBook computers that lets you quickly wake the computer and bypass the startup process. You can extend the period of time your battery will power the computer by putting the PowerBook to sleep when you won’t be using it for several minutes or more.

  • Page 27: Problems Working With Computer Programs Or The Mac Os

    Problems Working With Computer Programs or the Mac OS If software difficulties (such as a software error message on your screen) don’t allow you to use standard methods of quitting a program or restarting your computer, you can try using these special key combinations.

  • Page 28: Turning The Computer Off, What's Next, Using Your Powerbook And Connecting To A Network

    Turning the Computer Off Always use one of the following methods to shut down the computer. If you don’t, you risk losing any work you haven’t saved. You also risk losing any open documents. To turn the computer off, follow these instructions: If the computer is in sleep, press the Power button (®) or any key on the keyboard (except for the fn key) to wake it.

  • Page 29: Connecting To A Network

    C H A P T E R Using Your PowerBook and Connecting to a Network This chapter provides information and instructions on using the built-in features of your Macintosh PowerBook such as expansion bays, batteries, and PC Card slots. In addition, this chapter describes connecting your PowerBook to a computer network and using your internal modem (available on certain configurations only).

  • Page 30: Using The Expansion Bays, Using Expansion Bay Modules

    Using the Expansion Bays Your PowerBook comes with dual-function expansion bays that accept either expansion bay modules or PowerBook batteries. Expansion bay modules–such as a floppy disk drive, CD- ROM drive, or DVD-ROM drive–are removable, which allows you to easily switch or replace them with another module.

  • Page 31: Removing An Expansion Bay Module

    Removing an Expansion Bay Module Before removing an expansion bay module from your PowerBook, you need to make sure that it is not in use and that it does not contain a floppy disk, CD, or other media. To remove an expansion bay module from your Macintosh PowerBook, follow these steps: Place your PowerBook on a hard flat surface.

  • Page 32

    To be sure that the computer isn’t using the module, wait 5 seconds after quitting programs and ejecting a disk before you remove the module. Pull the expansion bay release lever to eject the module. When the lever is completely extended, the module will be partially out of the expansion bay. If you see a message telling you to reinsert the module, the module is still in Important use.

  • Page 33: Inserting An Expansion Bay Module

    Inserting an Expansion Bay Module The PowerBook battery and the optional floppy disk drive module can be placed in either expansion bay. The CD-ROM or DVD-ROM drive module (because of its larger size) can only be put in the right expansion bay. To insert an expansion bay module, follow these steps: If the expansion bay that you want to use already has a module in place, remove it as described in the previous section.

  • Page 34: Using A Disc In The Cd-rom Or Dvd-rom Drive

    Using a Disc in the CD-ROM or DVD-ROM Drive Inserting a Disc To load a disc in the drive, follow these steps: Make sure that the CD-ROM or DVD-ROM drive module is inserted into the right expansion bay. Start up the PowerBook, if it’s not already on. Press the Open button on the outside of the module to open its tray.

  • Page 35

    Place a disc in the tray, with the label facing up. Make sure the disc is lying flat in the tray and is seated firmly on the spindle. Insert the disc, label side up. Note: CD-ROM and DVD-ROM drives have small locks on the drive spindle that securely hold the disc in place.

  • Page 36: Ejecting A Disc

    Ejecting a Disc Follow these instructions to open the tray and eject a disc from the drive: Open the tray. There are several ways to open the tray of your drive. If a disc icon appears on your screen, do one of the following: m Select the disc icon on your screen and drag the icon to the Trash.

  • Page 37: Power Sources, Ac Power, Main Battery, Optional Second Battery

    PowerBook under battery power for a long amount of time, such as on a long plane flight. You can purchase a second battery from an Apple-authorized dealer. Note: When fully charged batteries are installed in both expansion bays, the batteries are discharged one at a time.

  • Page 38: Recharging The Battery, Monitoring The Battery Charge

    Recharging the Battery To recharge the battery inside the computer, plug in the external power adapter. You may also use an external battery charger designed specifically for your Macintosh PowerBook model (available from other manufacturers). When the AC adapter is plugged in, the LiIon battery is recharged whether the computer is off, on, or in sleep.

  • Page 39: Using The Battery Level Indicator Lights, Responding To Low-power Messages, What You Should Do

    Using the Battery Level Indicator Lights You can tell the charge left in your battery by looking at the battery level indicator lights on the battery itself. The charge can be checked with the battery inserted or outside the PowerBook. Push the battery level indicator button to activate the battery level indicator lights.

  • Page 40: Maximizing Work Time

    If you continue working until the computer goes to sleep automatically, you can wake it again as soon as you plug in the power adapter or replace the battery with a charged battery. Recharge a depleted battery as soon as possible. Leaving a depleted battery in Important the computer for a length of time (especially in a hot location, such as the trunk of a car) may damage the battery so that it can’t be recharged.

  • Page 41: Removing Or Replacing The Battery

    Removing or Replacing the Battery PowerBook batteries are removed in the same way that expansion bay modules are. To remove or replace the battery, follow these steps: Place your PowerBook on a hard, flat surface. Save your work and then shut down the computer, put it to sleep, or plug in the power adapter.

  • Page 42: Using Pc Cards

    Using PC Cards PC Cards (also known as PCMCIA or CardBus cards) are about the size of a thick credit card and have a 68-pin connector at one end. They come in many varieties, such as fax/modem cards, mass-storage cards, Ethernet connection cards, zoomed video cards, and wireless communication cards.

  • Page 43: Inserting A Pc Card

    Inserting a PC Card To insert a card, do this: m Insert the card, label up, into the slot. Make sure the card is level. A Type I or Type II PC Card can be inserted in either the upper or lower slot. A Type III PC Card must be inserted in the lower slot.

  • Page 44: Ejecting A Pc Card

    Ejecting a PC Card You can eject a PC Card when your computer is on or off. You cannot eject a PC Card when the computer is in sleep. To eject a PC Card when the computer is on, follow these steps: If the computer is in sleep, press the Power button (®) to wake it.

  • Page 45: If You Can't Eject A Card, Using A Zoomed Video Pc Card

    If You Can’t Eject a Card If you are unable to eject a card, follow these steps: Shut down the PowerBook. Straighten one end of a paper clip. Insert the end of the straightened paper clip into the hole next to the slot that contains the card, and press gently but firmly until the card is ejected.

  • Page 46: Using A Pc Card Modem

    Using a PC Card Modem If your PowerBook does not come with a built-in modem, you can purchase a PC Card modem. For information on using your built-in modem, see the section “Using Your PowerBook’s Optional Internal Modem” on page 51. If you are using a PC Card modem, make sure you do the following: Install the communications software you want to use and any software that came with your modem.

  • Page 47: Using The Infrared File Transfer Capability

    Using the Infrared File Transfer Capability Your PowerBook comes with built-in infrared (IR) communication features that let you send and receive data without wires. IR window With IR communications, you can exchange files with another PowerBook or with a desktop Macintosh using an external IR module.

  • Page 48: Connecting To A Local Area Network, Connecting To A Localtalk Network

    Connecting to a LocalTalk Network To connect your Macintosh PowerBook to a LocalTalk network, you need LocalTalk cables and a LocalTalk adapter (available from your Apple-authorized dealer). If a network administrator is responsible for network maintenance and upkeep at your location, ask for help connecting your computer to the network.

  • Page 49

    RJ-11 connector on the LocalTalk adapter. A LocalTalk adapter with DIN-8 connectors doesn’t require an external terminator. (For more information on terminators, see the instructions that came with the Apple LocalTalk RJ-11 Connector Kit.) See “Configuring Your Network Connection” on page 50 for information on configuring your LocalTalk connection.

  • Page 50: Connecting To A 10base-t Ethernet Network

    Connecting to a 10Base-T Ethernet Network The built-in Ethernet capabilities of your Macintosh PowerBook allow you to connect to a standard (10 Mbit) Ethernet network. If a network administrator is responsible for network maintenance and upkeep at your location, ask for help connecting your computer to the network.

  • Page 51: Using Your Powerbook's Optional Internal Modem, Setting Up Your Modem's Connections

    Using Your PowerBook’s Optional Internal Modem Some models of the Macintosh PowerBook come with an internal modem card installed in the communications slot inside your computer. To see if a modem is installed, open the modem panel on the left side of the computer. If you see a connector for a phone line, then the modem is installed.

  • Page 52

    Plug one end of the telephone cord into the internal modem port on your PowerBook. Plug the other end of the telephone cord into your telephone wall socket. The telephone line must be an analog line—the type used in residences. Do Warning not connect a digital telephone line to the modem, because the wrong type of line could damage the modem.

  • Page 53: What Modems Do, Software For Your Modem

    What Modems Do A modem allows your computer to communicate over telephone lines by converting information from the digital format used by the computer to the analog format used by most telephone systems. It dials the telephone number, establishes a connection with another modem, and controls the flow of data so that communication takes place with optimal speed and accuracy.

  • Page 54: Choosing The Port Setting

    Choosing the Port Setting You must specify the modem port in each communications program before you can connect to another computer by modem. The following example shows how to specify the modem port in America Online (AOL) software. Open AOL (on your hard disk). If you are new to America Online, click Continue in the dialog box that appears.

  • Page 55: Modem Tips And Troubleshooting

    Modem Tips and Troubleshooting If you have problems using your modem, try the following suggestions: m Make sure the telephone cord is connected properly. Unplug the telephone cord and reconnect it to ensure a good connection. You may also want to try a different telephone cord.

  • Page 57: Connecting Additional Equipment

    Macintosh PowerBook before you connect any cable other than the power adapter. However, you can connect external devices to the sound input port (√), sound output port (-), printer/external modem port (´), Apple Desktop Bus port (V), and Ethernet port (G) while the computer is on.

  • Page 58: Connecting A Printer, Connecting An External Modem

    Your computer comes with most Apple printer software (called “printer drivers”) already installed. If you are using a printer from a manufacturer other than Apple, you may need to install a printer driver.

  • Page 59: Connecting Scsi Devices

    SCSI port. To connect a SCSI device to your Macintosh PowerBook, you need an Apple HDI-30 SCSI System Cable or equivalent. This cable is light gray, is about 19 inches long, and has 29 pins (one “missing”...

  • Page 60: Using Your Macintosh Powerbook As A Hard Disk, Connecting Your Computer As A Hard Disk

    files. This feature is called SCSI disk mode. The Apple HDI-30 SCSI Disk Adapter cable is dark gray, is about 10 inches long, and has 30 pins.

  • Page 61

    SCSI disk adapter cable. Connecting the adapter cable while the computer is turned on can damage the computer. Connect the small end of the Apple HDI-30 SCSI Disk Adapter to the SCSI port on your PowerBook. If you are connecting the Macintosh PowerBook directly to the other computer (rather than to an external device in the SCSI chain), attach a SCSI system cable to the other computer.

  • Page 62: Quitting Scsi Disk Mode

    The PowerBook’s internal drive appears as a hard disk icon on the screen of the computer you connected it to. You can now transfer and use files as if the Macintosh PowerBook were an external disk drive. Quitting SCSI Disk Mode Shut down the computer your PowerBook is connected to.

  • Page 63: Using An External Monitor

    The computer’s back panel has a VGA-style connector. You can connect the cable for a VGA-style monitor directly to your PowerBook. m To connect an Apple-compatible monitor to your PowerBook, you must use the video adapter that came with the computer.

  • Page 64: Connecting An External Monitor

    If your monitor’s power cord is designed to plug into the power receptacle on the back of a computer, you can obtain a cord with the correct plug from your Apple-authorized dealer. If you are using a power strip, make sure it is turned on.

  • Page 65

    Make sure the other end of the monitor’s cable is attached to the monitor. Then attach the end of the cable (with the monitor adapter, if you connected it) to the external monitor port (™) on the back of the PowerBook. ™...

  • Page 66: Trouble With The External Monitor, Disconnecting An External Monitor

    Make sure your computer is shut down or in sleep. Make sure your monitor is switched off. Disconnect the monitor cable (for a VGA-style monitor) or monitor adapter (for an Apple monitor) from the external monitor port on the computer’s back panel.

  • Page 67: Using An External Video Display Or Recording Device

    Using an External Video Display or Recording Device Your PowerBook has an S-video output port (labeled with the Æ icon) where you can connect an external video display or recording device such as a television, videocassette recorder ( VCR), or video projection system. Note: Due to the display limitations of most televisions, images displayed on the television screen will be of lower quality than images on the built-in display or an external monitor.

  • Page 68: Connecting Video Equipment To Your Powerbook

    Connecting Video Equipment to Your PowerBook You can record and deliver a sophisticated presentation by combining the video and sound capabilities of your PowerBook. The steps that follow explain how to set up equipment for displaying the computer desktop on a television and recording the computer’s output to videotape.

  • Page 69

    PowerBook connected to a television using an RCA-type cable Æ S-video output port RCA In port Composite to S-video adapter RCA-type cable If you want to output sound as well as video from your PowerBook, use a dual-RCA-plug–to–stereo-miniplug cable (not included with your computer) to connect the sound output port on the back of your PowerBook to audio input ports on your television or VCR.

  • Page 70: Trouble With The External Video Device, Disconnecting An External Video Device

    Trouble With the External Video Device? Nothing happens when you tried to turn on the PowerBook. Make sure your equipment is connected properly. Then try pressing the Power button (®) again. Make sure the battery is charged, or the power adapter is plugged into both the computer and an electrical outlet.

  • Page 71: Connecting And Using Sound Input Devices

    Connecting and Using Sound Input Devices Your computer has a built-in microphone. In addition, you can connect a PlainTalk microphone to the external sound input port (√). ( You can also connect a standard line- level input microphone, although it is not suitable for speech recognition.) You can find more information on using the microphone to record sounds in the online help, available in the Help menu.

  • Page 72: Connecting Sound Output Devices, Locking Your Computer

    Locking Your Computer You can purchase a security cable and lock to protect your Macintosh PowerBook. With a lock, you can secure your computer to a desk or table. See your Apple-authorized dealer or computer retailer for details on security devices.

  • Page 73: Connecting A Mouse, Keyboard, Or Other Adb Device, Connecting Other Devices

    Connecting a Mouse, Keyboard, or Other ADB Device You can connect a mouse, keyboard, graphics tablet, or other Apple Desktop Bus (ADB) device to the ADB port on the back panel of the PowerBook. Apple Desktop Bus (ADB) port Note: You may experience a slight delay if you connect a mouse or other ADB device while the computer is turned on.

  • Page 75: Getting Ready, Removing The Keyboard And Internal Heat Sink

    Warning certified technician install additional RAM. Consult the service and support information that came with your Apple product for instructions on how to contact an Apple- authorized service provider or Apple for service. If you attempt to install additional RAM yourself, any damage you may cause to your equipment will not be covered by the limited warranty on your computer.

  • Page 76

    If your PowerBook is turned on, press the Power button (®). In the Shut Down dialog box, click Shut Down. The internal components (including the internal heat sink) of your PowerBook Warning may be hot. If you have been using your PowerBook, wait 10 minutes before continuing, to let the internal components cool down.

  • Page 77: Installing A Ram Expansion Card And Removing Your Hard Disk

    With your thumbs positioned slightly below the keyboard, place your fingers inside the expansion bays and locate the small plastic tabs that hold the keyboard in place. The plastic tabs have small ridges on them and are located on the underside of the top shell of the PowerBook approximately one inch inside each expansion bay.

  • Page 78

    Flip the keyboard over and lay it on the palm rests and trackpad. Remove the two screws that secure the internal heat sink (using a Phillips or Torx T-8 screwdriver) and then lift it up by pulling on the small metal tab. The PowerBook internal heat sink may be hot.

  • Page 79: Installing A Ram Expansion Card

    Installing a RAM Expansion Card To install a RAM expansion card in your PowerBook, follow these steps: Make sure that the RAM expansion card you are installing is made for your Important Macintosh PowerBook model. Components designed for other PowerBook models will not work with your computer.

  • Page 80

    Position the RAM expansion card at a 30-degree angle. Line up the notch in the PowerBook RAM expansion card with the small tab in the RAM expansion slot. Push the RAM expansion card into the plastic expansion slot. You may feel some resistance. If you are having trouble inserting the card, try pushing one side at a time.

  • Page 81: Removing Your Powerbook Hard Disk Drive

    Removing Your PowerBook Hard Disk Drive Your PowerBook was designed so that you could easily remove your internal hard disk drive for service or security needs. If you have not already done so, remove the PowerBook keyboard and internal heat sink as described in “Removing the Keyboard and Internal Heat Sink”...

  • Page 82

    Loosen the screw that locks the hard disk in place. Note: The hard disk screw stays attached to the hard disk; you do not need to remove it completely. Hard disk screw Gently pull up on the small metal tab (located on the left side of the hard disk) to disengage the hard disk from the logic board.

  • Page 83: Replacing The Keyboard And Internal Heat Sink

    Replacing the Keyboard and Internal Heat Sink Follow the steps in this section to replace your PowerBook keyboard. Insert the internal heat sink and replace the two screws to secure it in place. Screws Press down on the bottom portion of the heat sink to secure it into place. Flip the keyboard back on top of the opening in your PowerBook.

  • Page 84

    You are now ready to start working with your PowerBook again. Never turn on your PowerBook G3 Series computer unless all of its internal Warning and external parts are in place. Operating the computer when it is open or missing parts can be dangerous, and can damage your computer.

  • Page 85: Health, Safety, And Maintenance Tips, Health-related Information About Computer Use, Musculoskeletal Discomfort

    A P P E N D I X Health, Safety, and Maintenance Tips Health-Related Information About Computer Use Muscle soreness, eye fatigue, and other discomforts and injuries sometimes associated with using computers can occur from performing any number of activities. In fact, misuse of the same muscles during multiple activities can create a problem that might not otherwise exist.

  • Page 86: Eye Fatigue

    RSIs did not suddenly arise when computers were invented; tennis elbow and writer’s cramp, for example, are two RSIs that have been with us for a long time. Although less common than other RSIs, one serious RSI discussed more often today is a wrist problem called carpal tunnel syndrome, which may be aggravated by improper use of computer keyboards.

  • Page 87: Arranging Your Work Area And Equipment, Chair, Keyboard And Trackpad

    Arranging Your Work Area and Equipment The suggestions in this section can help you work more comfortably with you computer. Chair m An adjustable chair that provides firm, comfortable support is best. Adjust the height of the chair so your thighs are horizontal and your feet flat on the floor. The back of the chair should support your lower back (lumbar region).

  • Page 88: Mouse, Built-in Display, External Monitor, Avoiding Fatigue, What About Electromagnetic Emissions

    Based on the prevailing evidence and opinions, Apple believes that the electric and magnetic fields produced by computer monitors do not pose a health risk. In response to those customers who wish to reduce their exposure to electromagnetic fields, Apple has lowered the emission levels of its products.

  • Page 89: Important Care And Safety Instructions

    Important Care and Safety Instructions For your own safety and that of your equipment, always take the following precautions. Disconnect the power plug (by pulling the plug, not the cord) and remove the expansion bay battery if any of the following conditions exists: m you want to remove any parts (leave the cord disconnected as long as the keyboard is open) m the power cord or plug becomes frayed or otherwise damaged...

  • Page 90: Caution, Important

    Caution m If you have a problem with your computer and nothing in the computer manual solves the problem, take the computer to your Apple-authorized dealer or service provider. Attempting to repair the computer yourself may void the limited warranty.

  • Page 91: Caring For Batteries, Handling Floppy Disks

    Caring for Batteries m Always handle batteries carefully. m Do not short-circuit the battery terminals (that is, do not touch both terminals with a metal object). Do not carry loose batteries in a pocket or purse where they may mix with coins, keys, or other metal objects.

  • Page 92: Handling Cd And Dvd Discs, Traveling With The Macintosh Powerbook

    Handling CD and DVD Discs Do not expose discs Do not write to direct sunlight. on discs. Do not spill liquids Do not put tape on discs. on discs. Do not scratch Do not get discs. dust on discs. Traveling With the Macintosh PowerBook Always bring the system software CD that came with your computer when you travel.

  • Page 93: Airplanes And Airports, Handling Your Macintosh Powerbook, International Repair And Service, Storing The Macintosh Powerbook

    Apple’s limited warranty covers your Macintosh PowerBook for one year, regardless of where it is purchased. The Apple-authorized service providers in more than 80 countries can handle most repairs (unless the repair involves a component specific to another area of the world).

  • Page 94: Service And Support, Modem And Fax Safety

    Service and Support If your computer is malfunctioning but does not appear to be physically damaged, shut it down (and leave the power adapter plugged in, if possible) until you can get help. If you know or suspect that your computer is physically damaged, disconnect the power adapter, remove the battery, and do not use the computer until it can be repaired.

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