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Troubleshooting Chapter 3: Troubleshooting and Error Messages 57

problem continues to occur, you may need to reinstall your system software. Refer to the docu-

mentation supplied with the version of the Mac OS System you are using for directions on how

to reinstall system software.

❏ Problem: Icons are not appearing correctly.

❏ Problem: When I double-click a document that belongs to an application, I

get a message that says that the application that created this document

cannot be found, but I can open the document from the Open command in

the application.

These are signs that your desktop needs to be rebuilt. Hold down the Option and  (command)

keys while you start up your computer, until you see a message asking whether you want to re-

build the desktop.

❏ Problem: My Mac OS computer “hangs” during the rebuild (pointer moves

when the mouse is moved, but there is no reaction when I click anywhere on

the screen).

If your Macintosh hangs during the operation of DiskWarrior, this could be caused by hardware

or software problems with a hard disk or a problem with the SCSI chain.

Make sure that the disk drivers are the current versions for the operating system running on your

computer. If the operating system was recently updated to a new version, you may need to update

the drivers as well. In the case of an Apple formatted disk, use the Drive Setup utility (found on

the Mac OS system CD) to perform the update. For disks from other vendors, check with the

manufacturer of the formatting software for the latest version of their drivers. It is also possible

that the driver has become corrupted, so a simple reinstallation of the driver may solve the prob-

lem.

Another possible cause is a SCSI noise problem. Shut down your computer and disconnect all

but the disk you are trying to rebuild, a startup disk, and the disk you have DiskWarrior on and

see if your computer still freezes. Then try connecting your disks one at a time (with the power

off). Do not connect other non hard disk SCSI devices until all hard disks have been connected

and tested. Termination is another potential problem with the SCSI chain.

If the problem is due to bad blocks on the disk or DiskWarrior has problems reading or writing

to the disk, you will need to reformat the disk. In the case that bad blocks were the problem, the

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Alsoft DiskWarrior - 2.0 Manuale delle Istruzioni Pagina 57