Troubleshooting | Apple 120 Series specification

mSystem software may not be installed on the startup hard disk, the system software may be damaged, or the hard disk may not be working properly.

Start up your computer using the Disk Tools floppy disk or (if you have a built-in CD-ROM drive) with the CD-ROM disc that contains system software. (For instructions on how to start up your computer from the CD-ROM disc, see “Starting Up From a CD-ROM Disc” in the section “Initializing a Hard Disk” later in this chapter.) Then follow the instructions in “Repairing a Damaged Disk” later in this chapter to test your startup hard disk and repair any damage.

If repairing the disk doesn’t help, follow the instructions in “Installing or Reinstalling System Software” later in this chapter to reinstall system software on your startup hard disk.

When you try to start up from a floppy disk, a disk icon with an X appears in the middle of the screen, and the floppy disk is ejected.

This icon indicates that the floppy disk you tried to start up from is not a startup disk.

Wait a few seconds. The computer should start up from its internal hard disk. Make sure you insert floppy disks only after the computer has begun starting up.

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Apple 120 Series user manual Troubleshooting

Contents

User’s Manual Apple Computer, Inc Contents Connecting Additional Equipment Getting Help 123 139151 Index 157 FCC statement Radio and television interference DOC statement Vcci statement CD-ROM drivePage Welcome to Power Macintosh Chapter Getting Started Getting Help ChapterPage Getting Started Monitor power cord Computer power cord Macintosh computer MonitorKeyboard Mouse Apple PlainTalk Microphone optional Plugging in the computer Page Voltages for different locations Country Single voltage Power cord plug Installing an expansion card Connecting a monitorConnecting the monitor power cord Place the monitor on top of the computer On some monitors, the cord is already attached Connect the monitor power cord to the monitorPlug in the monitor power cord Attach the monitor cable to the monitor Connecting the monitor cableOn some monitors, the cable is already attached Connecting the mouse and keyboard Connecting a keyboard with a built-in cable Connecting a keyboard with a separate cable Turn on your monitor Connecting other equipmentTurning the computer on Getting Started Check to see what’s on your screen Problems turning your computer on? What’s next? Learning the basics Slide your mouse along your mouse pad or desk Chapter Menu Icons Window Reviewing the basicsMenus Icons Windows Setting energy-saving options Saving energy with the Energy Saver control panel Accessing a sleeping computer over a network Putting your computer to sleepWaking your computer from sleep Scheduling automatic startup and shutdown Using the Power key Using the Shut Down commandTurning the computer off Following dialog box appears on the screen Chapter Where to find answers Page Getting Help Getting answers to your questions Getting answers with the Topics button Macintosh Guide window, click the Topics button Small window appears with instructions for you to follow Now continue with the next sectionClick Customizing Your Computer in the list of topics Read and follow the instructions in this window Getting answers with the Index button Macintosh Guide window, click the Index button Read and follow the instructions in the window Getting answers with the Look For button Macintosh Guide window, click the Look For button If you want to close Macintosh Guide, click here Tips for using Macintosh Guide Identifying objects on the screen Click one of the category buttons Learning useful shortcutsMain Macintosh Shortcuts window appears Chapter Connecting Additional Equipment Your computer at a glance Expansion bay Scsi portSecurity lock ports Ethernet port Aaui Printer port GeoPort Monitor power socket ≤ Power socket Video connectorRight & left Modem port GeoPort Sound input port Connecting audio equipmentAbout your computer’s A/V panel Computer’s sound ports accept these 3.5 mm connectors About your computer’s sound ports Connecting most audio equipment Connecting and positioning a microphone Turn on the computer and the audio equipment Follow these steps to connect and position the microphone Turn on the computer Connecting external stereo speakers If the speakers take a dual-plug cable, connect both plugsYour finished connections should look something like this Assemble the speakers and the cable you need Connecting video equipment Video connectors Composite video connectors Connecting video equipment for input to the computer Audio cable with dual RCA plugs at each end Follow the directions that came with the VCR or camera Composite video connection for input from a VCR Video connection for input from a VCR Video connection for input from a camera Turn on the computer and the VCR or video camera Connecting external Scsi devices Before you connect a device Scsi terminator Connecting a Scsi device Expanding memory Installing internal drives Connecting network cables About Macintosh networking Chapter Installing and Using Application Programs Installing application programs Chapter Working with several programs at a time Hiding and showing windows on the desktop Switching programsFinding out which programs are open Special memory requirements Using Power Macintosh application programsBacking up your files Shared libraries Using the Optional CD-ROM Drive Inserting a CD-ROM disc Tray opens Ejecting a CD-ROM disc Press the Open/Close button for your CD-ROM driveOpen the tray Take the CD-ROM disc out of the tray Playing audio CDs Working with Photo CDs Sharing a CD-ROM disc over a network Troubleshooting IIpartPage When you have questions If you have trouble Take your time Start over Select Restart from the dialog box that appears While holding down the Space bar, restart your computer Rebuild your desktop regularlyDesktop is rebuilt Solutions to common problems Computer is turned on but the screen is dark Computer’s clock keeps time inaccurately Troubleshooting Sad Macintosh icon appears, and the computer won’t start up Hard disk icon does not appear on the desktop You can’t eject a floppy disk Icons do not appear correctly on your screenYour Macintosh can’t read a floppy disk Chapter Troubleshooting Dialog box with a bomb appears Pointer 8 doesn’t move when you move the mouse Typing on the keyboard produces nothing on the screen Troubleshooting You experience problems using a document from a DOS computer You experience problems using an older Macintosh program CD-ROM drive icon does not appear on screen Solutions to CD-ROM problemsProblems using the CD-ROM drive If a CD-ROM disc icon appears on your screen Tray of your CD-ROM drive won’t open Problems using CD-ROM discs You can’t open a document on a CD-ROM disc Problems using ISO 9660 or High Sierra discs Problems playing audio CDs Your CD-ROM drive will not open Photo CDs Problems using Photo CDsYou are unable to record sound from an audio CD If your computer’s performance decreases Solving printer problems Obtaining updated Apple software AppleLink EWorld 100 Chapter CompuServe Internet Apple Computer Higher Education gopher server Each time you open a folder, a new Macintosh window opens Internet ftp.info.apple.comInternet ftp.support.apple.com When do you need to initialize a hard disk? Initializing a hard disk Starting up from a CD-ROM disc Starting up from a floppy diskCD-ROM disc will remain in the CD-ROM drive Turn your computer on List of drives, click the disk you want to initialize How to initialize a hard diskOpen the Drive Setup icon Repairing a damaged disk When do you need to repair a disk?Try these suggestions first Disks can become damaged by repeated use and handling How to test a hard disk List of drives, click the disk you want to test How to repair a hard disk or floppy disk Open the Disk First Aid icon Click the icon of the disk you want to test If Disk First Aid cannot correct the problemClick Repair to begin testing and repairing the disk When should you reinstall system software? Installing or reinstalling system softwareWhen should you install system software? Find and open the Disk First Aid icon Installing system softwareYou use the Drive Setup program to update your hard disk Easy Install dialog box appears Click OK Doing a clean installation of system software To do a clean installation, follow these steps Following dialog box appears Hold down Shift-x-K to start the clean installationClick the Install New System Folder button and click OK It takes a few minutes to complete the installation Click Clean Install Doing a custom installation Replacing special software Choose Custom Install from the pop-up menu Installing or reinstalling CD-ROM software When should you install or reinstall CD-ROM software?Installing or reinstalling CD-ROM software Restart your Macintosh 120 Chapter IIIpart Page Appendix a Health, Safety, and Maintenance Tips Health-related information about computer use Musculoskeletal discomfort Eye fatigue Arranging your office Shoulders relaxed Avoiding fatigue What about electromagnetic emissions? Safety instructions Handling your computer equipment Handling the monitor Handling the keyboard Handling floppy disks Handling CD-ROM discs 133 If you can’t eject a floppy disk Power supplyEjecting a disk Cleaning your equipment Cleaning the computer caseCleaning the monitor Cleaning the mouse Rotate the rollers to clean all around them Locking and unlocking the mouse Put the ball and the ring back in place To unlock the mouse, follow these steps Appendix B Installing an Expansion Card Turn off the computer Expansion card power requirementsCard installation 141 Remove the cover from the computer Power supply Flip the expansion card cover open Flip the expansion card cover open Hold the card by its edges to avoid touching the connector Remove the card from its static-proof bag Its final position until you 147 Appendix B Replace the cover on the computer Upgrading the processor Special keys on Apple keyboards Arrow keys Caps Lock key Clear key Power key Return key Shift key Tab key Control keyDelete key Enter key Typing special characters and symbols Diacritical mark Special key combinations Here are other key combinations you may find usefulTo do this… …press this key combinationPage Index Index Index Authorized service providers error messages troubleshooting Index Index Index Index Index See Scsi Index Index Apple Computer, Inc