Apple PowerBook (2400c) - Manual (Page 110)

4 Open the Functions menu and choose Test Drive.
5 When a message tells you that testing is complete, click Quit.
If you cannot repair the disk, you may need to reinitialize the disk using
the Drive Setup program.
6 If testing indicates that no repair is necessary, but you’re still having a problem with your
computer, go to the next section.
Reinstalling system software
When should you install system software?
Your computer 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 “Doing a Normal
Installation” later in this chapter.
If you have a problem with your system software, you may see this icon in the
middle of the screen:
If this icon appears, follow the instructions in “Testing Your Hard Disk”
earlier in this chapter to test your startup hard disk and repair any damage.
If repairing the disk doesn’t help, follow the instructions in “Doing a Normal
Installation” to reinstall system software on your startup hard disk.
WARNING Reinitializing the hard disk erases all the information on it.
If you don’t have a recent backup of your information, an Apple-
authorized service provider may be able to recover some of the
information before you reinitialize the hard disk.
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