If Disk First Aid cannot correct the problem
mTry repairing the disk again. Sometimes repeating the process corrects the problem.
mUse another disk repair or recovery program. Some disk repair programs let you recover information from a damaged disk.
mConsult a computer repair specialist for help.
mOnce 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
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
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.
