Apple Macintosh PowerBook 1400 - Manual (Page 119)

3 In the list of drives, click the disk you want to test.
4 Pull down the Functions menu and choose Test Drive.
5 When a message tells you that testing is complete, click Quit.
If testing indicates a repair is necessary, use Disk First Aid (available on the
CD or the Disk Tools floppy disk) or another disk repair utility to see if it can
repair the disk
6 If testing indicates that no repair is necessary, but you’re still having a problem with your
computer, go to the next section.
119 Diagnostic Techniques