Opening
the
cover
Important
Turn
off
the
computer
and
wait
3
to
5
minutes
to
let
the
computer
cool
before
opening
the
computer
cover.
This
section
provides
instructions
on
how
to
open
the
computer
cover.
1.
Remove
any
media
(diskettes,
CDs,
or
tapes)
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
“Connectors
on
the
front
of
the
computer”
on
page
80
and
“Connectors
on
the
rear
of
the
computer”
on
page
81.
4.
Remove
any
locking
devices,
such
as
a
cable
lock
that
secures
the
computer
cover.
5.
Press
the
cover-release
button
on
the
side
of
the
cover
and
pivot
the
computer
cover
outward.
6.
If
the
computer
cover
is
to
be
removed,
disconnect
all
the
cables
from
the
system
board.
84
Hardware
Maintenance
Manual
Summary of Contents for 6071A3U
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Page 174: ...Part Number 45C6891 Printed in USA 1P P N 45C6891 ...