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Introduction
This chapter contains the check procedures used to diagnose the causes of
product failures. The diagnostic information consists of:
Start: This is the starting point for any diagnostic action. Based on high-level
symptoms, the check procedure directs you to more detailed procedures to
help resolve machine failures.
Index of Symptoms, Messages, or Beeps: The tables for BIOS Error
Messages, Beeps, and Error Symptoms list symptoms along with their
probable causes, and direct you to the applicable check procedures to help
resolve machine failures. These tables also list the field replaceable units
(FRUs) most likely to cause a particular problem.
Check Procedures: When the Start check procedure or the Index of
Symptoms, Messages, or Beeps tables point you to a specific check
procedure, proceed to that section. If there are any notes or instructions at the
top of the page, read them before you begin with the procedure. Carefully read
each step of the check procedure and perform the steps as instructed. If you
do not remember the location of a specific part or test point, or an adjustment
or removal procedure, see the chapter that contains that information. Always
return to the check procedure after you do this. In some cases, you are
referred to other check procedures to detect the cause of the failure.
Summary of Contents for Aptiva 2174
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