Lenovo ThinkCentre M50e Hardware Maintenance Manual - Page 98

Locating, connectors, Removing, cover

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Locating the connectors on the rear The following illustration shows the locations of the connectors on the rear of the computer. 1 Power connector 8 2 Mouse connector 9 3 Keyboard 10 connector 4 USB connectors 11 5 Serial connector 12 6 Parallel 13 connector 7 VGA Monitor 14 connector USB connectors Ethernet connector Microphone connector Audio line out connector Audio line in connector AGP slot (some models) PCI slots (In some models, other devices, such as a modem, might be installed here.) Removing the cover Important Read Chapter 2, "Safety information," on page 5 and "Handling electrostatic discharge-sensitive devices" on page 8 before removing the cover. 1. Shut down your operating system, remove any media (diskettes, CDs, or tapes) from the drives, 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 the two screws at the rear and slide the cover to the rear to remove. 92 Hardware Maintenance Manual

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Locating
the
connectors
on
the
rear
The
following
illustration
shows
the
locations
of
the
connectors
on
the
rear
of
the
computer.
±1²
Power
connector
±8²
USB
connectors
±2²
Mouse
connector
±9²
Ethernet
connector
±3²
Keyboard
connector
±10²
Microphone
connector
±4²
USB
connectors
±11²
Audio
line
out
connector
±5²
Serial
connector
±12²
Audio
line
in
connector
±6²
Parallel
connector
±13²
AGP
slot
(some
models)
±7²
VGA
Monitor
connector
±14²
PCI
slots
(In
some
models,
other
devices,
such
as
a
modem,
might
be
installed
here.)
Removing
the
cover
Important
Read
Chapter
2,
“Safety
information,”
on
page
5
and
“Handling
electrostatic
discharge-sensitive
devices”
on
page
8
before
removing
the
cover.
1.
Shut
down
your
operating
system,
remove
any
media
(diskettes,
CDs,
or
tapes)
from
the
drives,
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
the
two
screws
at
the
rear
and
slide
the
cover
to
the
rear
to
remove.
92
Hardware
Maintenance
Manual