Lenovo 7571 Manuel D’Utilisation
Opening
the
computer
cover
Attention
Do
not
open
your
computer
or
attempt
any
repair
before
reading
and
understanding
the
“Important
safety
information”
in
the
ThinkCentre
Safety
and
Warranty
Guide
that
came
with
your
computer.
To
obtain
a
copy
of
the
ThinkCentre
Safety
and
Warranty
Guide,
go
to:
http://www.lenovo.com/support
This
section
provides
instructions
on
how
to
open
the
computer
cover.
CAUTION:
Turn
off
the
computer
and
wait
three
to
five
minutes
to
let
the
computer
cool
before
opening
the
computer
cover.
To
open
the
computer
cover:
1.
Remove
any
media
from
the
drives,
shut
down
your
operating
system,
and
turn
off
all
attached
devices
and
the
computer.
2.
Unplug
all
power
cords
from
electrical
outlets.
3.
Disconnect
the
cables
attached
to
the
computer.
This
includes
power
cords,
input/output
(I/O)
cables,
and
any
other
cables
that
are
connected
to
the
computer.
See
and
4.
Remove
any
locking
devices,
such
as
a
cable
lock
that
secures
the
computer
cover.
5.
Press
the
buttons
on
the
sides
of
the
computer
and
pivot
the
cover
upward
to
open
the
computer.
Figure
39.
Opening
the
computer
cover
128
Hardware
Maintenance
Manual