Lenovo 7355 Manuel D’Utilisation
Chapter
4.
General
checkout
Attention
The
drives
in
the
computer
you
are
servicing
might
have
been
rearranged
or
the
drive
startup
sequence
changed.
Be
extremely
careful
during
write
operations
such
as
copying,
saving,
or
formatting.
Data
or
programs
can
be
overwritten
if
you
select
an
incorrect
drive.
General
error
messages
appear
if
a
problem
or
conflict
is
found
by
an
application
program,
the
operating
system,
or
both.
For
the
explanation
of
these
messages,
refer
to
the
information
supplied
with
that
software
package.
Before
replacing
any
FRUs,
ensure
that
the
latest
level
of
BIOS
is
installed
on
the
system.
A
down-level
BIOS
might
cause
false
errors
and
unnecessary
replacement
of
the
system
board.
For
more
information
on
how
to
determine
and
obtain
the
latest
level
BIOS,
see
Note:
For
computer
models
that
do
not
have
an
internal
hard
disk
drive
and
use
a
remote
hard
disk
drive
accessed
through
the
Secure
Managed
Client
-
Storage
Array
(SMC
-
Storage
Array):
v
You
might
receive
the
error
message
“No
operating
system
found.
Press
F1
to
repeat
boot
sequence.”
In
this
case,
press
Ctrl+Alt+Delete
instead
of
F1
to
establish
a
connection
to
the
storage
area
network
where
your
operating
system
is
stored.
Verify
that
the
user
name
is
not
logged
on
in
another
location.
v
If
the
SMC
login
prompt
disappears
before
you
log
in
and
then
a
black
screen
displays,
contact
your
administrator.
Use
the
following
procedure
to
help
determine
the
cause
of
the
problem:
1.
Power-off
the
computer
and
all
external
devices.
2.
Check
all
cables
and
power
cords.
3.
Set
all
display
controls
to
the
middle
position.
4.
Power-on
all
external
devices.
5.
Power-on
the
computer.
v
Look
for
displayed
error
codes
v
Listen
for
beep
codes
v
Look
for
readable
instructions
or
a
main
menu
on
the
display.
If
you
did
not
receive
the
correct
response,
proceed
to
step
If
you
do
receive
the
correct
response,
proceed
to
step
6.
Look
at
the
following
conditions
and
follow
the
instructions:
v
If
you
hear
beep
codes
during
POST,
go
to
v
If
the
computer
displays
a
POST
error,
go
to
v
If
the
computer
hangs
and
no
error
is
displayed,
turn
off
the
computer
and
the
power.
Then,
turn
the
power
and
the
computer
back
on,
continue
at
step
7.
Run
the
Diagnostic
programs.
See
v
If
you
receive
an
error,
replace
the
part
that
the
diagnostic
program
calls
out
or
go
to
v
If
the
test
stops
and
you
cannot
continue,
replace
the
last
device
tested.
©
Copyright
Lenovo
2008,
2009
43