8·2
Troubleshooting
Portable
PLUS
Computer
All repairs begin
with
the procedures described in section 8.2. Figure 8·1 illustrates
the
flow of these
troubleshooting procedures.
MAIN
DIAGNOSTIC
PROCEDURE
(SECTI
ON
B.
2)
BUILT-IN
DIAGNOSTIC
TESTS
DISC-BASED
DIAGNOSTIC
TESTS
VERIFICATION
STARTUP
PROBLEMS
(TABLE
B-5)
DIAGNOSTIC
TEST
RESULTS
1-----,
(TABLE
B-2)
Figure
8·1.
Overview of Troubleshooting Procedures
The
troubleshooting procedures
are
described
in
section 8.2. They're based mainly
upon
the
disc-
based
diagnostic tests. (The user receives
some
of these tests
in
the built-in diagnostics). For
most
problems,
the
disc-based tests indicate the assembly
and
component
that are bad.
Other
tests
are
available to
help
determine
and
verify the problem with a unit.
If
the disc-based tests
don't
run, you'll
use
the
built-in
diagnostic tests.
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