Apple PowerBook (2400c) User Manual download pdf (Page 86)

m If the problem recurs, it may involve one or more of your application

programs. See “The Computer Exhibits Odd Behavior, Such as Many

Unexplained System Failures,” next.

About the codes in error messages: The number codes in error messages are

used in software development. Sometimes they can help a technician narrow

down the source of a problem. However, the codes are usually too general or

technical in nature to help you diagnose a problem yourself.

The computer exhibits odd behavior, such as many unexplained system failures.

m Check for multiple System Folders on your startup disk, using the Find File

command. Throw away extra System Folders (but do not throw away any

System Folders from your RAM Disk Backup folder). The System Folder

that your computer is using has a small computer icon on it.

m Check for viruses on all your disks, using a virus-detection program.

Eliminate any viruses the program finds.

m If a problem recurs when you are using a particular program, try

the following:

m Consult the documentation that came with the program to make sure you

are using it correctly.

m Check for multiple copies of the program on your hard disk. Use the Get

Info command to check the programs’ version numbers. Keep one copy

of the latest version and throw away all other copies.

m Reinstall the program from a known good source (such as the original

program disks or the CD that came with your computer).

m Increase the program’s memory. Quit the program, select its icon,

choose Get Info from the File menu, and type a larger number in the

Preferred Size box.

m Contact the manufacturer or vendor of the program to find out whether

the program contains software errors or “bugs” and whether an upgrade

is available.

Chapter 6

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Apple PowerBook (2400c) User Manual Page 86