Service manual

Troubleshooting Your Computer: Dell Latitude CP
finds in its initialization or startup files.
These files contain commands that automatically configure the operating environment by
setting system parameters, starting memory-resident programs, and loading device driver
software. If you experience program conflicts or memory error messages, check the
commands for memory-resident programs in the initialization or startup files of your operating
system. of a program or peripheral does not work correctly, check the documentation that
came with the product to see if you need to modify these files.
Using Software
The following subsections discuss errors that can occur while using your software.
Error Messages
Error messages can be produced by an application program, the operating system, or the
computer.
Messages and Codes discusses the error messages that are generated by the
computer. If you receive an error message that is not listed in that section, check your
operating system or application program documentation.
Input Errors
If a specific key or set of keys is pressed at the wrong time, a program may give you
unexpected results. See the documentation that came with your application program to make
sure the values or characters you are entering are valid.
Make sure the operating environment is set up to accommodate the programs you use. Keep
in mind that whenever you change the parameters of the computer's operating environment,
you may affect the successful operation of your programs. Occasionally, when you modify the
operating environment, you may need to reinstall a program that no longer runs properly.
Memory-Resident Programs
There are a variety of utilities and supplementary programs that can be loaded either when the
computer boots or from an operating system prompt. these programs are designed to stay
resident in system memory and thus always be available for use. Because they remain in the
computer's memory, memory conflicts and errors can result when other programs require use
of all or part of the memory already occupied by these TSR programs.
Typically, your operating system's initialization or start-up files contain commands to start TSR
programs when you boot your computer. If you suspect that one of these TSR programs is
causing a memory conflict, remove the commands that start them from the start-up file. If the
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