Apple 8100/80AV manual Disk icon with an X appeared and the floppy disk was ejected

A disk icon with a blinking question mark appeared when you started your computer.

The blinking question mark indicates that your Macintosh cannot find system software. You may need to repair a damaged disk, or reinstall system software.

mStart your computer using the Disk Tools floppy disk or the Power Macintosh CD disc (see “Starting Up from a Built-In CD-ROM Drive” or “Starting Up from a Floppy Drive” in Chapter 10). Then refer to the Macintosh Reference for information on testing and repairing disks. If repairing the disk doesn’t help, follow the instructions in Chapter 10 of this book to reinstall your system software.

A disk icon with an X appeared and the floppy disk was ejected.

Your Macintosh ejected a floppy disk that is not a startup disk.

mWait 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.

A “sad Macintosh” icon appeared and the computer won’t start up.

Your Macintosh cannot start up because of a problem with the system software or the computer hardware.

mEject any floppy disks by turning off the computer and then holding down the mouse button while you turn the computer on again. Try starting up with a different startup disk (such as the Disk Tools floppy disk or the Power Macintosh CD disc). If the “sad Macintosh” icon appears again, consult the service and support information that came with your computer for instructions on how to contact an Apple-authorized service provider or Apple for assistance.

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