Replacing the keyboard, Replacing the mouse, Replacing – Lenovo ThinkCentre M55e User Manual
Page 37: Keyboard, Mouse

6.
Position
the
bottom
of
the
new
internal
speaker
into
the
metal
tabs
and
then
pivot
the
top
of
the
internal
speaker
inward
until
the
speaker
snaps
into
position.
7.
Connect
the
speaker
cable
to
the
system
board.
See
8.
Go
to
Replacing
the
keyboard
Attention
Do
not
open
your
computer
or
attempt
any
repair
before
reading
the
“Important
safety
information”
in
the
Safety
and
Warranty
Guide
that
was
included
with
your
computer.
To
obtain
a
copy
of
the
Safety
and
Warranty
Guide,
go
to
the
Support
Web
site
at
http://www.lenovo.com/support.
This
section
provides
instructions
on
how
to
replace
a
keyboard.
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.
Locate
the
keyboard
connector.
Note:
Your
keyboard
might
be
connected
to
a
standard
keyboard
connector
1 or
a
USB
connector
2 .
Depending
on
where
your
keyboard
is
connected,
see
or
4.
Disconnect
the
failing
keyboard
cable
from
the
computer.
5.
Connect
the
new
keyboard
cable
to
one
of
the
USB
connectors.
6.
Go
to
Replacing
the
mouse
Attention
Do
not
open
your
computer
or
attempt
any
repair
before
reading
the
“Important
safety
information”
in
the
Safety
and
Warranty
Guide
that
was
included
with
your
computer.
To
obtain
a
copy
of
the
Safety
and
Warranty
Guide,
go
to
the
Support
Web
site
at
http://www.lenovo.com/support.
Chapter
2.
Replacing
hardware
29