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3-8 Dell Inspiron 7500 System Reference and Troubleshooting Guide
read the installation instructions before running a program’s installation routine. If you
are instructed to modify the start-up files, see the documentation that came with the
operating system for instructions.
When you run the installation routine, be prepared to respond to prompts for
information about how the computer’s operating system is configured, what type of
computer you have, and what peripherals are connected to the computer.
Start-Up Files
Whenever you start or reboot the computer, the operating system executes
commands from its start-up files.
These files contain commands that automatically configure the operating system 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 start-up files of the
operating system. (For information on start-up files, see the documentation that came
with the operating system). If a program or peripheral does not work correctly, check
the product’s documentation to see if you need to modify these files.
Using Software
The following subsections discuss errors that can occur while using software.
Error Messages
Error messages can be produced by an application program, the operating system, or
the computer. Appendix C, “System Messages and Beep Codes,” discusses the error
messages generated by the computer. If you receive an error message not listed in
Appendix C, check the 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 the application program
to make sure the values or characters you are entering do not conflict with the
application program you are using.
Make sure the operating system is compatible with the programs you use. Keep in
mind that whenever you change the parameters of the computer’s operating system,
you may affect the successful operation of the programs. Sometimes, after modifying
the operating system, 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