Icons do not appear correctly on your screen | Apple LC 580 guide

mCheck the ID numbers of all SCSI equipment connected to your computer. See the manuals that came with your SCSI equipment for information on setting SCSI ID numbers.

mIf the hard disk is your startup disk, start 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.

Icons do not appear correctly on your screen.

You need to rebuild the desktop—a process that helps your Macintosh keep track of files and folders on your hard disk. For instructions, see “Rebuild Your Desktop Regularly” in the section “When You Run Into Trouble” earlier in this chapter.

If icons do not appear correctly after you rebuild the desktop, restart your computer while pressing the Shift key to temporarily turn off system extensions. When you see the “Welcome to Macintosh—extensions off” message, release the Shift key and press the Option and x keys until you see a message asking if you want to rebuild the desktop.

Your Macintosh can’t read a floppy disk.

If you see a message that a floppy disk is unreadable, try one of the following:

mIf the disk has never been used, you may simply need to initialize it. For

instructions, see the “Disks” topic of Macintosh Guide, available in the Guide (h) menu.

mThe disk may be damaged. See “Repairing a Damaged Disk” later in this chapter for information on testing and repairing disks.

46Chapter 5

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Apple LC 580 manual Icons do not appear correctly on your screen, Your Macintosh can’t read a floppy disk

Contents

User’s Guide Apple Computer, Inc Contents Troubleshooting Expanding Your Computer and Using Special Features Appendix a Health, Safety, and Maintenance Tips Index FCC statement Radio and television interference DOC statement Vcci statement CD-ROM drive Keyboard Computer power cord Mouse Optional security screws Macintosh computer Keyboard cable Getting Started Plugging in the computer When you are ready to begin, follow these steps Installing an expansion card Connecting the mouse and keyboard Connecting a keyboard with a separate cable Connecting other equipment Connecting a keyboard with a built-in cable Turning the computer on for the first time Hard disk icon Macintosh desktop Problems starting up? What’s next? Learning the basics Slide your mouse along your mouse pad or desk Reviewing the basics Guide h menu Turning the computer off Turning the computer on You can also shut down your computer from the keyboardClick Shut Down Guide menu Where to find answersThis book Other manuals Getting Help Getting answers to your questions Getting answers with the Topics button Macintosh Guide window, click the Topics button Now continue with the next section Click Setting Options in the list of topicsSmall window appears with instructions for you to follow 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 Learning useful shortcuts Main Macintosh Shortcuts window appears Click one of the category buttons Expanding Your Computer ¸ Screen control Buttons Your computer at a glanceBuilt-in microphone Sound control buttons Stereo speakers Connecting additional equipment Using the sound control buttons on your computer Using the screen control buttons on your computer Using the built-in microphone Doing so may damage your equipment Connecting to a network Installing internal drives Expanding memory Installing and Using Application Programs Installing application programs Switching programs Working with several programs at a timeFinding out which programs are open Backing up your files Hiding and showing windows on the desktop When you have questions When you run into trouble Take your time Start over Rebuild your desktop regularly Click OK Solutions to common problems Computer is turned on but the screen is darkComputer’s clock keeps time inaccurately Chapter Sad Macintosh icon appears and the computer won’t start up Hard disk icon does not appear on the desktop Icons do not appear correctly on your screen Your Macintosh can’t read a floppy disk Pointer 8 freezes on the screen Pointer 8 doesn’t move when you move the mouse Dialog box with a bomb appears Typing on the keyboard produces nothing on the screen Chapter Troubleshooting You see a message that an application program can’t be found You experience problems using a document from a DOS computer When do you need to initialize a hard disk? Initializing a hard diskStarting up from a CD-ROM disc Shut down your computer Starting up from a floppy diskCD-ROM disc will remain in the CD-ROM drive Turn on the computer Double-click the Internal HD Format icon to open it When initialization is complete, click DoneReinitializing your computer’s internal hard disk Type a name for your disk in the Name box Open the Apple HD SC Setup icon Initializing an external Scsi hard diskClick Drive until the disk you want to initialize appears Click Init to initialize the hard disk Try these suggestions first Repairing a damaged diskWhen do you need to repair a disk? Disks can become damaged by repeated use and handling Open the Internal HD Format icon Testing an external Scsi hard diskChecking for damage on your internal hard disk Choose Scan All Blocks from the Functions menu Click Drive until the disk you want appears How to repair a hard disk or floppy disk Open the Disk First Aid iconClick the icon of the disk you want to test If Disk First Aid cannot correct the problem Click Repair to begin testing and repairing the disk Installing or reinstalling system software When should you install system software?When should you reinstall system software? Installing system software Open the Apple HD SC Setup programFind and open the Disk First Aid icon Easy Install dialog box appears Doing a clean installation of system software To do a clean installation, follow these steps Find and open the Apple HD SC Setup icon Following dialog box appears Hold down Shift-x-K to start the clean installationClick the Install New System Folder button and click OK Click Continue It takes a few minutes to complete the installation Click Clean Install Doing a custom installation Choose Custom Install from the pop-up menu Restart your Macintosh 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 built-in monitor Handling the keyboard Handling floppy disks Ejecting a disk Power supply If you can’t eject a floppy disk Cleaning the monitor Cleaning your equipmentCleaning the computer case Cleaning the mouse Rotate the rollers to clean all around them Locking and unlocking the mouse Recessed area on ring Recessed area surrounding ring To unlock the mouse, follow these steps Appendix B Installing an Expansion Card Opening the computer Installing an Expansion Card Remove the two retainer screws from the vertical plate Installing a processor-direct slot PDS card Remove the plastic access cover from the vertical plateAlign the card over the processor-direct slot Remove the communication card from its static-proof bag Installing a communication cardCommunication slot is the rightmost slot on the logic board Align the card over the communication slot Closing the computer Press the reset button Reinsert the two retainer screws into the vertical plate Replace the back panel of the computer Caps Lock key Clear key Command key Special keys on Apple keyboards Arrow keys Delete key Power key Return keyControl key Enter key Index Index Index Index Index Index Index Apple Publishing System