Apple Mac Performa 640 series Manuel d'utilisateur

Macintosh PerformaUser’s GuideIncludes setup, troubleshooting, and health-related informationfor Macintosh Performa 640 series DOS Compatible compute

m share the random-access memory (RAM) in your Macintosh with the PCenvironment, or use a memory module (SIMM) exclusively for the PCenvironmentm use

You can’t open a document, or you see a message that an application program can’t befound.The Macintosh Easy Open control panel is not installed. This

You experience problems using a DOS document.If you can’t open a DOS document using a Macintosh program, try thefollowing:m Open the document from wit

The Mac OS is running out of memory even though you aren’t running any PC programs.When sharing memory with the PC environment, the Macintosh allocate

Repairing a damaged diskIf you see a message reporting that a disk is damaged or unreadable, you mayneed to repair the disk.Try these suggestions firs

Starting up from a CD-ROM discTo test, repair, or initialize a hard disk, or to install system software on a harddisk, you need to start up your compu

If you see the Macintosh desktop1Press the Open/Close button of your CD-ROM drive to open the CD-ROM tray.2Place the Macintosh Performa CDdisc in the

Problems starting up from the CD?If you’ve followed the steps in the previous sections and the MacintoshPerforma CD icon does not appear on your scree

Checking for damage on your internal hard diskYou can check for damage on your internal hard disk with the Internal HDFormat program, which is on the

How to repair a hard disk or floppy diskYou can repair some types of disk damage by using the Disk First Aidprogram, which is on the Macintosh Perform

4Click Repair to begin testing and repairing the disk.If you want to test and repair another disk, click its icon and then click Repair.5When testing

Monitor cable(sometimes built into the monitor)Monitor power cord(sometimes built into the monitor)Computer power cordKeyboardMacintosh Performa DOS-c

Initializing a hard diskThe hard disk inside your computer was initialized (formatted for use) at thefactory, so you shouldn’t need to initialize it.

Installing or reinstalling Mac OS system softwareSystem software is the set of programs and other files that your computer usesto start itself up, kee

How to install or reinstall Mac OS system softwareYou can install or reinstall system software by following the instructions inthe Macintosh Performa

When you have questionsRead this chapter when you have questions about using the PC environmenton your Macintosh.If you have questions about using DOS

When you try to switch to DOS, the screen is blank or has no synchronization.If the monitor has never worked in DOS, it is most likely not able tosync

When you switch to the PC environment, you see this message: “Non-system disk or diskerror. Replace and strike any key when ready.”The DOS-compatibili

You switch to the PC environment and don’t know how to switch back to the Mac OS.Press x-Return at any time to switch to the Mac OS.Inserting a DOS-fo

The PC Setup icon has a red slash through it at startup.If PC Setup doesn’t have enough memory to allocate to the PC environment atstartup time, it wi

The Mac OS is running out of memory even though you aren’t running any PC programs.When sharing memory with the PC environment, the Macintosh allocate

When you start up certain software in the PC environment, your monitor shows ajumbled image and the display appears to “roll.”A program that writes di

The illustration on the facing page shows all the equipment you need to setup your computer and begin using it. Place your equipment on a sturdy, flat

Reinstalling Mac OS softwareYo u’ ll install several extensions and control panels in your System Folder.1 Start up your Macintosh while holding down

Creating a drive containerA drive container is a file on a Macintosh hard disk that acts as a hard drivefor the PC environment. You create a drive con

3Choose a location for the drive container.The drive container can be on any hard disk attached to the Macintosh. Atleast 40 MB of free space is recom

Assigning RAM to the PC environmentThe PC environment needs memory to operate. You can provide memorywith a SIMM (Single Inline Memory Module) install

Reinstalling PC softwareYou begin by installing the Microsoft MS-DOS operating system includedwith your computer. You can also install Microsoft Windo

Installing additional PC softwareYour DOS-compatible computer comes with additional software utilities thatyou may want to install. The following tabl

Replacing the CONFIG.SYS and AUTOEXEC.BAT filesYour DOS-compatible software includes alternative versions of theCONFIG.SYS and AUTOEXEC.BAT files that

If you do not intend to use software that requires expanded memory (EMS),make the following change:DEVICE=C:\DOS\EMM386.EXE NOEMS RAM=D000-EFFFIf you

Bypassing the CONFIG.SYS and AUTOEXEC.BAT files at startupTo bypass the CONFIG.SYS and AUTOEXEC.BAT files during the startupprocess, press and hold do

For your own safety and that of your equipment, follow all the instructions inthis chapter. Keep these instructions available for reference by you and

When you are ready to begin, follow these steps:1Plug the socket end of the computer’s power cord into the recessed power cord socket(marked with the

Musculoskeletal discomfortAs with any activity that involves sitting for long periods of time, using acomputer can make your muscles sore and stiff. T

Eye fatigueEye fatigue can occur whenever the eyes are focused on a nearby object for along time. This problem occurs because the eye muscles must wor

You may have to raise your chair so your forearms and hands are at theproper angle to the keyboard. If this makes it impossible to rest your feetflat

Avoiding fatiguem Change your seated position, stand up, or stretch whenever you start to feeltired. Frequent short breaks are helpful in reducing fat

Safety instructionsFor your own safety and that of your equipment, always take the followingprecautions.Turn off the computer completely and disconnec

Handling your computer equipmentFollow these guidelines for handling your computer and its components:m When setting up your computer, place component

Handling the monitorFollow these procedures for handling a monitor:m Turn down the screen brightness control if you leave the computer turnedon for ex

Handling floppy disksEjecting a diskFor instructions on ejecting a floppy disk, a CD-ROM disc, or a removablemedia disk from the Mac OS, see the “Disk

If you can’t eject a floppy diskIf you can’t eject a floppy disk in the usual way, try the following in order:m Hold down the x and Shift keys and pre

Cleaning your equipmentFollow these general rules when cleaning the outside of your computer andits components:m Use a damp, soft, lint-free cloth to

Installing an expansion cardIf you purchased any expansion cards for your Macintosh or extra memoryfor use in the PC environment, install the cards or

2 Turn the mouse upside down and turn the plastic ring on the bottom counterclockwise todisengage it.If you have an older mouse, you may need to press

8Put the ball and the ring back in place.Your mouse should roll smoothly across your mouse pad or desk. If it doesn’t,repeat these instructions carefu

To unlock the mouse, follow these steps:1Insert a straightened paper clip into the hole on the plastic ring.2Press down on the paper clip while you tu

Expansion cards are printed circuit boards that can be installed in yourcomputer to give it special capabilities, such as enhanced video, networkingan

If your computer does not already have a SIMM installed on theDOS-compatibility card, you can add a SIMM that provides up to32 megabytes (MB) of RAM f

m a video-in slot for a card that brings signals into the computer from avideocassette recorder (VCR), laserdisc player, video camera, or similarequip

Opening the computer1Shut down your computer by choosing Shut Down from the Special menu.You can also press the Power key on the keyboard.2Unplug all

5If there are security screws on the vertical plate on the back of the computer, removethem with a Phillips screwdriver.6Unplug the power cord from yo

Installing a communication card1If your communication card has ports for connecting equipment, remove the plasticaccess cover from the vertical plate.

4Align the card over the communication slot.5Press down on the card until the connector is solidly in place.Don’t force the card. If you meet resistan

2Connect the monitor power cord to the monitor.On some monitors, the cord is already attached.3Plug in the monitor power cord.Be sure to plug the powe

Removing a SIMMIf your computer has a SIMM already installed on the DOS-compatibilitycard, follow these steps to remove it.1Pull the metal clips at ei

3Gently pull the SIMM out of its slot.Hold the SIMM only by its sides. Don’t touch the connectors along thebottom edge.Handle the SIMM by the sides on

Installing a SIMM1 Remove the SIMM from its static-proof bag.Handle the SIMM by its edges. Avoid touching the connectors.2Insert the SIMM into the SIM

3Rotate the SIMM gently to the back until you feel it snap into place.The plastic pin on the SIMM slotshould engage the hole in the SIMM.Be sure that

Closing the computer1Slip the base of the logic board into the guide rails inside the computer case and swingthe handle back into its storage position

2Press the reset button on the logic board, and then slide the logic board back into thecomputer.Note: When you press the reset button, some of your c

4Slip the three hooks at the base of the back panel into the grooves in the computer case.5Swing the back panel up and snap it into place.6Plug the ca

149Your computer keyboard contains certain special keys that typewriterkeyboards don’t have. Many of these keys allow you to give commands to thecompu

Special keys on Apple keyboards (continued)Control key In combination with other keys, this key provides shortcuts ormodifies other actions.Delete key

Typing special characters and symbolsIn the Mac OS, you can type a variety of international and other specialsymbols and characters (including charact

Connecting the monitor cableAfter you plug in the monitor power cord, you connect the monitor cable tothe computer’s monitor port.To connect the monit

If you see rectangles: If you see rectangles instead of diacritical marks onsome of the pictures of keys in Key Caps, try pressing Option-x to see the

The DOS-compatibility card inside your computer supports network driversthat conform to Novell’s Open Data-Link Interface (ODI). This appendixcontains

In addition, you need to know the Ethernet frame type in use on yournetwork segment. You must choose the appropriate frame type in Step 11below. If y

12 Use the arrow keys to choose the appropriate frame type for the Novell server you will beusing.13 Press Return. Then press Esc to continue.14 Press

Conserving memoryDuring NetWare client installation, you add the lineCALL C:\NWCLIENT\STARTNET.BATto the beginning of the AUTOEXEC.BAT file. This comm

Installing Novell’s LAN Workplace for DOS TCP/IP softwareIMPORTANTYou must not have MacTCP installed when you run DOS TCP/IPsoftware; the two will con

m If you are on a network with a subnet mask, you need the IP address forthat mask; for example:m 255.0.0.0 for client Class A IP addresses (those bet

Installing NetManage’s Chameleon TCP/IP softwareIMPORTANTYou must not have MacTCP installed when you run DOS TCP/IPsoftware; the two will conflict wit

To install Chameleon from Windows:1In the Program Manager, choose Run from the File menu.2 TypeA:\SETUP.Follow the on-screen instructions and prompts.

10 Modify the NET.CFG file.A sample modified file is shown below. Note the addition of the Protocolstatements in the Link Driver section and the addit

Connecting the mouse and keyboard1Plug the mouse cable into the recessed port on the back of the keyboard.The plug and the port are marked with the ◊

Restarting Windows1 Restart the PC environment.2 Start Windows.You see the Chameleon group window.Testing the installationIf you will be using a direc

Installing Windows for WorkgroupsTo support networking with your DOS-compatibility hardware, you need toinstall software that supports ODI (Open Data

If your computer is using a VGA driver, and your Air Series software isversion 3.0, you need to make the following change. (These instructionsassume t

To install Air Series from Windows:1 In the Program Manager, open the File menu and choose Run.2 TypeA:\SETUP.Follow the instructions you see on the s

7 Restart the PC environment.8 Log into the network and start Windows. You should now see the Air Series group window.Testing the installationTo test

Installing MosaicIMPORTANTYou must not have MacTCP installed when you run DOS TCP/IPsoftware; the two will conflict with one another.You can use the I

6In the New Program Object dialog box, select Program Item.7 Fill in the Program Item Properties dialog box as follows:Description: MosaicCommand Line

x-5, for bypassing CONFIG.SYS andAUTOEXEC.BAT files whenstarting PC environment 120x-Control-Alt–[keypad] period, forrestarting PC environment46, 110

application programs, Macintosh 36–38activating 13active, identifying 13, 37additional, on hard disk 35can’t be found 92compatibility with system

171IndexCcableschecking keyboard 91checking mouse 90connecting monitor 5connecting mouse and keyboard 6–7custom, for serial ports 61and safety co

2Plug the keyboard cable into the port marked with the ◊icon on the back of thecomputer.Some monitors have a port to which you can connect the keyboar

commandsassigning to function keys 150shortcuts for 27–28, 149, 150x-Shift-1, for ejecting floppy disk inMacintosh environment 130communication car

diacritical marks, typing, in Macintoshenvironment 152dialog boxes 81dial-up service, using with ChameleonTCP/IP software 162dimmed icons 37discs.

Enter key 150Epson print drivers, limitations of 58, 60erasingdrive file in PC environment 69floppy disks by initializing 87hard disk by initializ

restarting PC environment from46, 49Sound Blaster Software Installation 120troubleshooting, in Macintoshenvironment 87troubleshooting, in PC environm

headphone jack 29sound output port 30headphones, listening to PC sounds in71–72health concerns 121–125. See alsosafety instructionsavoiding fatigue

installing system software 111–116DOS-compatibility software 111–117Macintosh (Mac OS) 103–104, 112Internal HD Format program 99, 102IPX networkin

Macintosh PC Exchange control panel92, 93installing 112PC drives and 72–73Macintosh Performa CD 38. See alsoCD-ROM driveApple Backup program 39Appl

monitor cable 5monitor port 30Mosaic software 167–168mousecleaning 131–133holding 12installing 6–7locking 133moving 12–13moving arrow with 12

PPageUp and PageDown keys in PCenvironment 49partitions, creating, in PC drives 72pasting information betweenenvironments 50–55installing software

performance in PC environmentgames, multimedia, and MIDIprograms 56network 56printing, in Windows 58shared folders and 70troubleshooting 107Perfo

Connecting other equipmentIf you are new to the Macintosh, it’s a good idea to get some experience usingyour computer before you connect other equipme

Rradio and television interference viiRAM (random-access memory). Seememory; random-accessmemory (RAM); Single InlineMemory Modules (SIMMs)random-acc

SCSI devicesID numbers on 95terminating chain of 95troubleshooting 84, 86, 95SCSI port 30security lock port 30serial ports in PC environment 57,

standby power button (on/off switch)2, 30starting PC environment 43automatically 43–44bypassing CONFIG.SYS andAUTOEXEC.BAT files when 120from flopp

title bar (windows) 13tone, computer startup 2Topics button (Macintosh Guidewindow) 19–20trackball, using, in PC environment 48transferring files

troubleshooting in PC environment105–120. See alsotroubleshootingblank screen 106controlling audio CDs 47crashing when using HarvardGraphics 68date

VVCR, video input card for 30ventilation 127, 128very low frequency (VLF) emissions 125VGA monitor 56videocassette recorder, video input cardfor

The Apple Publishing SystemThis Apple manual was written, edited, and produced on a desktop publishing system usingApple Macintosh computers and Quark

K Apple Computer, Inc.© 1995 Apple Computer, Inc. All rights reserved. Under the copyright laws, this manual may not be copied, in whole or in part,

3Check to see what’s on your screen. m If you see the Macintosh desktop, as in the illustration below, your systemsoftware has already been installed,

Problems turning your computer on?If you don’t see anything on the screen, check these items to see if you canidentify the problem:m Is the computer p

What’s next?Congratulations! You’ve finished setting up your computer. Now continuewith one of the following steps:m If you are new to the Macintosh,

Learning the basicsIf you are new to the Macintosh, you should begin by looking at the easy-to-use program called Performa Tutorial. The tutorial teac

If you don’t see the Performa Tutorial picture on your screen, put the arrowon the word “Learning” and click (press and release) the mouse button.If y

Turning the computer offTo turn the computer off:1Press the Power key (marked with a triangle) on the keyboard. You will see a message asking whether

Where to find answersWhen you have questions about using your Macintosh, there are severalplaces you can look for answers.In this book Use this book t

TheGuide menu is your main source of information when you’re workingwith your computer in the Macintosh environment. The menu is identified bya questi

Getting answers to your questionsWhen you have a question while working with your computer, you can get theanswer by choosing Macintosh Guide from the

3Notice the three buttons at the top of the window: Topics, Index, and Look For.Macintosh Guide gives you three ways of finding information:mTopicslet

iiiCommunications regulation information viiPreface Your DOS-Compatible Macintosh Performa Computer ix1 Getting Started 1Plugging in th

2Click “Setting Options” in the list of topics.When you click any topic area, a list of related questions appears on the rightside of the Macintosh Gu

Getting answers with the Index button1 In the Macintosh Guide window, click the Index button.An alphabetical list of subjects appears on the left side

4Click the question “How do I change the background pattern?” and then click OK. Ordouble-click the question.A small window appears with instructions

Getting answers with the Look For button1 In the Macintosh Guide window, click the Look For button.A small box appears on the left side of the window,

4Click the question “How do I change the beep sound?” and then click OK. Or double-click the question.A small window appears with instructions for you

Tips for using Macintosh GuideHere are a few tips for using Macintosh Guide effectively:m Macintosh Guide is available only when you are in the Finder

Identifying objects on the screenSometimes you’ll see an unfamiliar item on the screen and ask yourself,“What’s that?” You can get an answer by using

Learning useful shortcutsYou can perform many tasks in the Finder more quickly if you use keyboardor mouse shortcuts. For example, instead of clicking

3 Read about the shortcuts available for the category you selected.Click the right arrow in the lower-right corner of the window to display thenext wi

The illustration below shows a basic Macintosh system. You can expand yourcomputer system by connecting additional hardware (such as a printer,modem,

2 Getting Help 17Getting answers to your questions 18Identifying objects on the screen 26Learning useful shortcuts 273 Connecting

Where to connect additional equipmentThe illustration on this page shows where equipment should be connected toyour computer.For instructions on conne

Connecting an Apple PlainTalk MicrophoneYour computer has a sound input port, which you can use to connect an ApplePlainTalk Microphone.Use PlainTalk

Connecting external stereo speakersYou can take advantage of your computer’s stereo sound output by attachingexternally powered (amplified) speakers.

5Connect the speakers together with speaker wires, if necessary.6 Turn on the computer.You hear the computer’s sound through the external speakers.Not

Expanding memoryYou can install additional random-access memory (RAM) in your computer,which allows you to work with more programs and larger document

Your computer came with several application programs already installed.You can open these programs by clicking their buttons in the Launcher.The Apple

Installing Macintosh application programsYou may want to buy and install additional application programs. See themanuals you receive with your program

Working with several programs at a timeYou can open as many application programs and desk accessories as yourcomputer’s memory allows.All open program

Hiding and showing windows on the desktopYou can hide all windows except those of the active program by choosingHide Others from the Application menu.

39Installing and Using Application Programs in the Macintosh EnvironmentTo back up files in the Macintosh environment, copy the files to a diskmanuall

6 Configuring the PC Environment 63Choosing settings 64Configuring the PC serial ports 65Setting the monitor 66Setting the time a

Your DOS-compatible Macintosh comes with standard versions of DOS andWindows already installed. Also installed is software you can use to work inboth

Switching between the Macintosh and PC environmentsYou switch between the Mac OS and the PC environment using the PC Setupcontrol panel. Follow these

Switching with a keyboard commandYou can set a keyboard command, or “hot key,” to switch between the Mac OSand the PC environment. To set the hot key,

3 Turn off the Shut Down Warning option in the General Controls panel.If the Shut Down Warning is turned on when you switch from the Mac OS tothe PC e

Memory management utilitiesIf you use a memory management utility such as EMM386 or QEMM, youneed to configure it so that it runs with your DOS-compat

Working in the PC environmentWhen you switch to DOS or Windows, you’re operating in a real PC world.The floppy disk drive, mouse, and keyboard all act

CD-ROM discs and drivesYour DOS-compatible Macintosh allows you to use CD-ROM discs that runon DOS and Windows.To eject a CD-ROM disc in the PC enviro

Pointing deviceThe standard Macintosh pointing device (such as a mouse or trackball) hasone button; most PC devices have two. The button on the Macint

PC key Equivalent on Macintosh keyboardF1 through F9x-1 through 9F10x-0F11x-(minus)F12x-(equal)F13x-[F14x-]F15x-\Homex–[keypad] 7PageUpx–[keypad] 9End

For example, if you use M as your LASTDRIVE value, you could have up tonine extra drives using drives labeled E through M. A CD-ROM drive, ifinstalled

Appendix A Health, Safety, and Maintenance Tips 121Health-related information about computer use 121Safety instructions 126Handling you

If you don’t have a DOS mouse driver installed, follow these steps to copyand paste information using DOSCLIP:1 In the PC environment, issue the keyb

Key Scan code Key Scan code0 11 ' " 401 2 , < 512 3 - _ 123 4 . > 524 5 / ? 535 6 ; : 396 7 = + 137 8 [ { 268 9 \ | 439 10 ]

Key Scan code Key Scan codeF1 59 F7 65F2 60 F8 66F3 61 F9 67F4 62 F10 68F5 63 F11 87F6 64 F12 88A 30 N 49B 48 O 24C 46 P 25D 32 Q 16E 18 R 19F 33 S 31

Tips for using the ClipboardWhen the PC environment is running, you have three separate clipboards towork with—the Mac OS Clipboard, the Windows Clipb

m When using DOSCLIP from within certain application programs, it maynot be possible to select the text using the mouse. In these cases, either usethe

If you want to use the IPX protocol in the PC environment and you haveinstalled MacIPX in the Mac OS, remove MacIPX from the Control Panelsfolder or s

Using Macintosh peripheral devices in the PC environmentYou use the serial ports of your Macintosh just like the serial ports of anyPC-compatible comp

The Epson emulator works by first translating the DOS text to a similarMacintosh font, then interpreting that text into a series of QuickDrawcommands.

IMPORTANTIf you try to print a file using a PostScript printer driver for anon-PostScript printer, and the preferences are set to Epson, your file wil

3Choose Preferences from the File menu.A dialog box appears.4Choose your settings as appropriate.The selection you make for “Interpret non-PostScript

Communications regulation informationFCC statementThis equipment has been tested and found to comply with the limits for a Class B digital devicein ac

Using PC peripheral devicesBecause of the RS-422 implementation of the Macintosh, the followingRS-232 signals are not available to the PC:m Carrier De

This chapter explains how to configure the PC environment and change PCoptions using the PC Setup control panel.Your Macintosh comes with the PC envir

Choosing settingsTo choose settings, follow these steps:1Choose Control Panels from the Apple (K) menu.2Double-click the PC Setup control panel to op

Configuring the PC serial portsYour DOS-compatible Macintosh supports two serial ports, COM1 andCOM2. You can assign these ports to an unused Macintos

Setting the monitorThe monitor connected to your Macintosh DOS-compatible system displaysthe environment (Mac OS or PC) you’re working in. Even though

Setting shared memoryYou can install a 72-pin SIMM (Single Inline Memory Module) on the DOS-compatibility card in your computer to give the card up to

Changing the amount of conventional memoryMany DOS and Windows programs require conventional memory to run.At the same time, many device drivers and T

Choosing shared folders or volumesYou can set up a Mac OS folder, Macintosh hard disk, shared disk, or CD-ROM disc on a network to act as a PC drive.S

Using shared foldersBecause two operating systems have access to each shared folder, you maynotice a decrease in performance when using these folders

Turning on PC soundsTo have Sound Blaster and other PC sounds played through the Macintoshspeaker or through headphones, you need to specify settings

DOC statementDOC Class B Compliance This digital apparatus does not exceed the Class B limits for radionoise emissions from digital apparatus as set o

The Sound Blaster card installed in your DOS-compatible Macintosh is notable to record sounds.The DOS-compatible Macintosh does not fully support Soun

mTo change the drive container for drive C or D, choose Other Drive File from the C: or D: pop-up menu, then locate the new drive container in the dia

2Double-click the container’s disk icon.The icon opens and you have access to the files inside it.You can now manipulate these files as you would any

3 Locate the container in the Finder.4 Open the container’s Info window and note the container’s size.To open the container’s Info window, select the

11 Add the sums from steps 9 and 10.The resulting sum is the size that the new container should be.12 Pressx-Return to switch back to the Mac OS.Creat

3Pressx-Return to switch back to the Mac OS when copying is finished.4 In the PC Setup control panel, choose None from the D: pop-up menu.Doing so dea

Understanding the status lineThe status line at the bottom of the control panel gives you messages aboutthe status of the PC hardware and software. Me

79Consult this chapter if you experience problems using the Mac OS.When you have questionsIf you want to know how to do a particular task in the Mac O

Take your timeWhen you see an error message, you don’t have to take action immediately.The message stays on the screen until you click the OK (or Rest

Start overOften you can eliminate a problem simply by clearing the computer’s memoryand starting over.If you can, save any open documents before resta

Your Macintosh Performa includes hardware and software that let you useDOS and Windows directly on your Macintosh computer. It contains a high-perform

Rebuild your desktop regularlyA process known as “rebuilding the desktop” helps your Macintosh keeptrack of data on your disks. It’s a good idea to re

Solutions to common problemsThe computer is turned on but the screen is dark.One of the following is probably the cause:m You have a screen saver prog

The computer’s clock keeps time inaccurately.Your computer has a clock that runs continuously. When the computer isturned off, a battery keeps the clo

A disk icon with an X appears in the middle of the screen, and a floppy disk is ejectedfrom the disk drive.This icon indicates that the floppy disk yo

The Macintosh “hangs” or “freezes” during startup.If the Mac OS is sharing 16 MB or more of memory with the PCenvironment, and Disklight of Norton Uti

Icons do not appear correctly on your screen.You need to rebuild the desktop—a process that helps your Macintosh keeptrack of files and folders on you

You can’t start an application program or it quits unexpectedly. Or, when you try to opena program, you see a message that not enough memory is availa

A dialog box with a bomb appears.Your system has a software problem.m Note what you were doing when the message appeared, and write downthe text of th

The pointer (8) doesn’t move when you move the mouse.One of the following situations is probably the cause.m Your system has a software problem. Try t

Typing on the keyboard produces nothing on the screen.One of the following is probably the cause:m Some system software features are turned on that af