Apple Power Macintosh 5200/75 LC - Manual (Page 76)

If Disk First Aid cannot correct the problem
m Try repairing the disk again. Sometimes repeating the process corrects the
problem.
m Use another disk repair or recovery program. Some disk repair programs
let you recover information from a damaged disk.
m Consult a computer repair specialist for help.
m Once you have recovered all the information you can, erase (reinitialize)
the disk. If initialization doesn’t work, discard the damaged disk (if it’s a
floppy disk), or take it to your Apple-authorized service provider for repair
(if it’s a hard disk).
Installing or reinstalling system software
System software is the set of programs and other files that your computer uses
to start itself up, keep track of your files, and run the application programs
you use. System software is kept in the folder called the System Folder. When
you turn on your computer, it looks for a startup disk, which is a disk that
contains the system software. The startup disk is usually the hard disk that’s
inside your computer, though another hard disk or a floppy disk can also be a
startup disk.
The accessory kit that came with your Macintosh provides system software on
either a set of floppy disks or a CD-ROM disc. You can use the floppy disks
or the CD-ROM disc to install the system software on your Macintosh if you
need to do so.
When should you install system software?
Your Macintosh came with all the necessary system software installed on its
internal hard disk, so you don’t need to install system software on that disk
unless you encounter software problems.
If you have a new hard disk or a newly initialized hard disk that doesn’t
contain system software, or if you want to upgrade to a more recent version of
system software on a hard disk, follow the instructions in “Installing System
Software” later in this chapter.
69 Troubleshooting