Lenovo ThinkCentre M55e User Manual - Page 42

Removing, cover

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Removing the cover Important Read "Important safety information" on page v and "Handling static-sensitive devices" on page 18 before removing the computer cover. To remove 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. 2. Unplug all power cords from electrical outlets. 3. Disconnect all cables attached to the computer. This includes power cords, input/output (I/O) cables, and any other cables that are connected to the computer. 4. Remove any locking devices such as a padlock that secure the cover. 5. Press the cover-release button on the top of the computer cover, slide the cover to the rear, and remove it. If your computer has screws to secure the computer cover, remove the screws, and then remove the cover. 22 User Guide

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Removing
the
cover
Important
Read
“Important
safety
information”
on
page
v
and
“Handling
static-sensitive
devices”
on
page
18
before
removing
the
computer
cover.
To
remove
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.
2.
Unplug
all
power
cords
from
electrical
outlets.
3.
Disconnect
all
cables
attached
to
the
computer.
This
includes
power
cords,
input/output
(I/O)
cables,
and
any
other
cables
that
are
connected
to
the
computer.
4.
Remove
any
locking
devices
such
as
a
padlock
that
secure
the
cover.
5.
Press
the
cover-release
button
on
the
top
of
the
computer
cover,
slide
the
cover
to
the
rear,
and
remove
it.
If
your
computer
has
screws
to
secure
the
computer
cover,
remove
the
screws,
and
then
remove
the
cover.
22
User
Guide