Lenovo 9935B3U User Manual - Page 22

Installing, external, options, Removing, computer, cover - outlet

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Installing external options External speakers, a printer, or a scanner can be connected to your computer. For some external options, you must install additional software in addition to making the physical connection. When installing an external option, see "Locating connectors on the front of your computer" on page 7 and "Locating connectors on the rear of your computer" on page 8 to identify the required connector, and then use the instructions that come with the option to help you make the connection and install any software or device drivers that are required for the option. Removing 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 remove the computer cover. CAUTION: Turn off the computer and wait three to five minutes to let the computer cool before removing the computer cover. To remove 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 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 secures the computer cover. 14 User Guide

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Installing
external
options
External
speakers,
a
printer,
or
a
scanner
can
be
connected
to
your
computer.
For
some
external
options,
you
must
install
additional
software
in
addition
to
making
the
physical
connection.
When
installing
an
external
option,
see
“Locating
connectors
on
the
front
of
your
computer”
on
page
7
and
“Locating
connectors
on
the
rear
of
your
computer”
on
page
8
to
identify
the
required
connector,
and
then
use
the
instructions
that
come
with
the
option
to
help
you
make
the
connection
and
install
any
software
or
device
drivers
that
are
required
for
the
option.
Removing
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:
This
section
provides
instructions
on
how
to
remove
the
computer
cover.
CAUTION:
Turn
off
the
computer
and
wait
three
to
five
minutes
to
let
the
computer
cool
before
removing
the
computer
cover.
To
remove
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
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
secures
the
computer
cover.
14
User
Guide