2-18 Troubleshooting
2.6 Troubleshooting Without Diagnostics
This section provides information about how to identify and correct some common
hardware, memory, and software problems. It also explains several types of messages
that may be displayed on the screen.
Since symptoms can appear to be similar, carefully match the symptoms of the computer
malfunction against the problem description in the Troubleshooting tables to avoid a
misdiagnosis.
Before Replacing Parts
When troubleshooting a problem, check the following items for possible solutions
before replacing parts:
■
Verify that cables are connected properly to the suspected defective parts.
■
Verify that all required device drivers are installed.
■
Verify that all printer drivers have been installed.
Checklist for Solving Problems
If you encounter a minor problem with the computer or software applications, go
through the following checklist for possible solutions:
■
Is the computer connected to an external power source, or does it have a fully
charged battery pack installed?
■
Are all cables connected properly and securely?
■
Did the diskette drive contain a nonbootable diskette when you turned on the
computer?
■
Have you installed all the needed device drivers? For example, if you are using a
mouse, you may need to install a mouse device driver.
■
Are printer drivers installed?
Eliminating the typical problems described in this Troubleshooting section may save
you time and money. If the problem appears related to a software application, check the
documentation provided with the software. You may discover something you can
resolve easily by yourself.
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