Lenovo 3000 N500 Manual Do Utilizador
Symptom-to-FRU
index
This
section
contains
following
information:
v
v
v
v
v
v
v
The
symptom-to-FRU
index
in
this
section
lists
symptoms
and
errors
and
their
possible
causes.
The
most
likely
cause
is
listed
first,
in
boldface
type.
Note:
Do
the
FRU
replacement
or
other
actions
in
the
sequence
shown
in
the
column
headed
“FRU
or
action,
in
sequence.”
If
replacing
a
FRU
does
not
solve
the
problem,
put
the
original
part
back
in
the
computer.
Do
not
replace
a
nondefective
FRU.
This
index
can
also
help
you
determine,
during
regular
servicing,
what
FRUs
are
likely
to
need
to
be
replaced
next.
A
numeric
error
is
displayed
for
each
error
detected
in
POST
or
system
operation.
In
the
displays,
n
can
be
any
number.
If
no
numeric
code
is
displayed,
check
the
narrative
descriptions
of
symptoms.
If
the
symptom
is
not
described
there,
go
to
Numeric
error
codes
Table
1.
Numeric
error
codes
Symptom
or
error
FRU
or
action,
in
sequence
0200
Hard
Hard
disk
error—The
hard
disk
is
not
working.
1.
Reseat
the
hard
disk
drive.
2.
Load
Setup
Defaults
in
BIOS
Setup
Utility.
3.
Hard
disk
drive.
4.
System
board.
021x
Keyboard
Keyboard
error.
Run
interactive
tests
of
the
keyboard
and
the
auxiliary
input
device.
0220
Monitor
Monitor
type
error—Monitor
type
does
not
match
the
one
specified
in
CMOS.
Load
Setup
Defaults
in
BIOS
Setup
Utility.
0230
Shadow
Shadow
RAM
error—Shadow
RAM
fails
at
offset
nnnn.
System
board.
0231
System
System
RAM
error—System
RAM
fails
at
offset
nnnn.
1.
DIMM.
2.
System
board.
Note:
For
For
a
device
not
supported
by
diagnostic
codes
in
the
Lenovo
3000
computers,
see
the
manual
for
that
device.
36
Lenovo
3000
N500
Hardware
Maintenance
Manual