User Manual

61
Troubleshoot ing
This chapter describes locating and solving problems that you may
encounter while using your computer.
LOCATING A PROBLEM
Problems with your computer can be caused by something as
minor as an unplugged power cord – or as major as a damaged
hard disk. The information in this chapter is designed to help you
find and solve minor problems. If you try all the suggested
solutions and you still have a problem, make a list of what steps
you have taken to correct the problem and contact your dealer.
Successful troubleshooting is the result of careful observation,
deductive reasoning, and an organized approach to solving the
problem.
The problems that you will encounter can be divided into two basic
categories: hardware problems and software problems. Hardware
problems can be further divided into electrical and mechanical
problems. You will know you have a hardware problem if the
screen is dark, the computer cannot read the disk drives, or you
get an error message during the Power-On Self Test (POST).
Software errors can occur at several levels. The ROM BIOS and
the operating system can give you a large number of error
messages. On top of this, each application software package has
its own set of error messages. It is important to determine whether
the software error message you are getting is from the application
or the operating system. Once you know this, you can look in the
respective manual for a solution to the problem.
CHECKING CABLES AND CONNECTIONS
Start by performing a careful visual inspection of the exterior of the
computer. If no LEDs are illuminated, make sure that your
computer and its peripherals are getting power and communicating
with each other properly.