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Chapter
7.
Symptom-to-FRU
Index
The
Symptom-to-FRU
index
lists
error
symptoms
and
possible
causes.
The
most
likely
cause
is
listed
first.
Always
begin
with
″General
Checkout″
on
page
3.
This
index
can
also
be
used
to
help
you
decide
which
FRUs
to
have
available
when
servicing
a
computer.
If
you
are
unable
to
correct
the
problem
using
this
index,
go
to
“Undetermined
problems”
on
page
127.
Notes:
v
If
you
have
both
an
error
message
and
an
incorrect
audio
response,
diagnose
the
error
message
first.
v
If
you
cannot
run
the
diagnostic
tests
or
you
get
a
diagnostic
error
code
when
running
a
test,
but
did
receive
a
POST
error
message,
diagnose
the
POST
error
message
first.
v
If
you
did
not
receive
any
error
message,
look
for
a
description
of
your
error
symptoms
in
the
first
part
of
this
index.
v
Check
the
hard
disk
drive
jumper
settings
before
you
replace
a
hard
disk
drive.
Hard
disk
drive
boot
error
A
hard
disk
drive
boot
error
(error
codes
1962
and
I999030X)
can
have
the
following
causes.
Error
FRU/Action
The
start-up
drive
is
not
in
the
boot
sequence
in
configuration.
Check
the
configuration
and
ensure
the
start-up
drive
is
in
the
boot
sequence.
No
operating
system
installed
on
the
boot
drive.
Install
an
operating
system
on
the
boot
drive.
The
boot
sector
on
the
start-up
drive
is
corrupted.
The
drive
must
be
formatted,
do
the
following:
1.
Attempt
to
access
and
recover
(back-up)
the
failing
hard
disk
drive.
2.
Using
the
operating
systems
programs,
format
the
hard
disk
drive.
The
drive
is
defective.
Replace
the
hard
disk
drive.
Power
Supply
Errors
If
the
power-on
indicator
is
not
on,
the
power
supply
fan
is
not
running,
or
the
computer
will
not
power-off,
use
the
following
procedures.
Check/Verify
FRU/Action
Check
the
following
for
proper
installation.
v
Power
Cord
v
On/Off
Switch
connector
v
On/Off
Switch
Power
Supply
connector
v
System
Board
Power
Supply
connectors
v
Microprocessor(s)
connection
Reseat
Check
the
power-on
switch
for
continuity.
Power
Cord
©
Copyright
IBM
Corp.
2001
87