Mac: Volumes Will Not Mount, Applications Will Not Open

Article ID: Q154389
Creation Date: 02-AUG-1996
Revision Date: 05-AUG-1996

The information in this article applies to:

Apple Macintosh Operating System 7.x

SYMPTOMS

Your computer starts normally, but you experience either of the following problems:

When you try to insert or mount an additional disk, you receive a system error.
-or-
Your disk mounts, but when you try to open a files or start a program, you receive a system error.

WORKAROUNDS

NOTE: This article assumes that you have either Disk Tools/First Aid or a disk maintenance software program.

For this potential  cause             Try this solution

The application that you are          Re-install the application
trying to open may be damaged         from the original, locked
                                      disk.

The power or data cable for the      Check the power and data
external startup drive may be        cable connections.

improperly connected.

The volume information block          Use your Disk
is damaged.                           Tools/First Aid or
                                      your disk maintenance
                                      software to correct the problem.

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Additional reference words: MACSYS 7.x mac m_works