Apple Macintosh LC 580 User Manual download pdf (Page 67)

Repairing a damaged disk

Disks can become damaged by repeated use and handling.

When do you need to repair a disk?

If you see a message reporting that a disk is damaged or unreadable, you may

need to repair the disk.

Tr y th ese suggestions first

If you can’t start up from a hard disk or you don’t see the hard disk icon on the

desktop, try the following:

m If the hard disk is internal, shut down your Macintosh, wait at least 10

seconds, and then turn it on again.

m If the hard disk is external, make sure that it is turned on and that its cable

is connected firmly; then restart the Macintosh.

m If the hard disk is your startup disk, start up with a different startup disk. If

the hard disk’s icon appears on your desktop, reinstall system software on

the hard disk (see “Installing or Reinstalling System Software” later in this

chapter).

m Check the ID numbers of all SCSI equipment connected to your computer.

Each device must have a unique ID number (the computer itself has the ID

number 7). Also check that the chain of devices is terminated properly. For

information on setting SCSI ID numbers and terminating a SCSI chain,

see the manuals that came with your SCSI equipment.

m Test th e disk by following the instructions that come next.

Troubleshooting

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Apple Macintosh LC 580 User Manual Page 67