Apple PowerBook (3400 series) - Manual (Page 124)

3 In the list of drives, click the disk you want to test.
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.
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.
124 Chapter 8