Apple Macintosh LC - Manual (Page 145)

a disk that is available to the computer, or the computer is having trouble
locating the application program.
Solutions:
- Try opening the application program first, and then open the document from
within the application program by choosing the Open command from the
application's File menu.
The pointer suddenly "freezes" on the screen
Cause: Your system has a software problem.
Solutions:
- Use the power switch to switch the Macintosh off and then on again. The
system may start up normally.
- If the Macintosh does not restart with the same system disk, try to start
up with a different startup disk.
- If the Macintosh starts up with a different disk, check the startup disk
and program you were using when the system froze. You may have been using
elements of system software that were incompatible with each other or with
the program you were using. Reinstalling the system software may correct the
problem with the first disk.
!! IMPORTANT: Always be sure to upgrade all parts of your system software
when you install a new version of Macintosh system software, and always
verify that the programs you use are compatible with the version of system
software you have installed. !!
A dialog box with a bomb appears
Cause: Your system has a software problem.
Solutions:
- Click the Restart button on the screen (if one is displayed as part of the
message). The computer may start up normally.
- If no Restart button is displayed (or if clicking it does not work), use
the power switch to switch the Macintosh off and then on again. The system
may start up normally.
- If the Macintosh does not restart with the same startup disk, try to start
up with a different startup disk.
- If the Macintosh starts up with a different disk, check the startup disk
and program you were using when the bomb message appeared. You may have been
using elements of system software that were incompatible with each other or
with the program you were using. For example, if you used the newest version
of the System file and the Finder with an old version of the Font/DA Mover,
you could get the bomb message. Reinstalling the system software may correct
the problem with the first startup disk.
- Sometimes incompatible desk accessories can cause the system to display a
bomb message. Try removing any recently installed desk accessories to see if