Lenovo ThinkCentre M715s User Guide and Hardware Maintenance Manual [en, ar, bg, bs, cs, da, de, el, es, fi, fr, he, hr, hu, it, ja, ko, nb, nl, pl, pt, ro, ru, sh, sk, sl, sr, sv, th, tr, uk, zc, zh]
M715s
User Guide and
Hardware Maintenance Manual
Machine Type (MT):
10MB, 10MC
Energy Star MT:
10MB, 10MC
Overview
Locations of indicators,
connectors, and
controls provided on
your computer
Replacing hardware
Locations of the
replaceable parts on
your computer
Specications
Specications of your
computer
Replacing CRUs
Replacing instructions
for Customer
Replaceable Units
(CRUs)
Locking the computer
Locking devices for
your computer
Replacing FRUs
Replacing instructions
for Field Replaceable
Units (FRUs) (for
technicians only)
Contents
Overview ......................................... 3
Front view .......................................................................3
Rear view ........................................................................4
System board ................................................................ 6
Machine type and model label ................................... 8
Specications ................................. 9
Locking the computer ................... 11
Locking the computer cover .....................................11
Attaching a Kensington-style cable lock ................11
Attaching a cable lock ...............................................11
Replacing hardware ......................12
Before replacing hardware ........................................12
Handling static-sensitive devices ............................12
Knowing replaceable parts .......................................13
Customer-Replaceable Units (CRUs) ........................... 13
Field Replaceable Units (FRUs) ..................................... 13
CRUs and FRUs locations .............................................. 14
Replacing the coin-cell battery ................................. 33
Replacing the M.2 solid-state drive .........................34
Replacing the M.2 solid-state drive bracket ..........36
Replacing the power supply assembly ...................37
Completing the parts replacement .........................38
Replacing(FRUs) ........................... 39
Before replacing FRUs ...............................................39
Replacing the Wi-Fi antennas ..................................41
Replacing the internal speaker .................................43
Replacing the illuminated red dot ............................45
Replacing the thermal sensor ..................................46
Replacing front I/O options ......................................48
Replacing the heat sink and fan assembly ............50
Replacing the microprocessor .................................51
Replacing the cover presence switch .....................53
Replacing the system board .....................................54
Notices & Trademarks ..................56
Notices .........................................................................56
Trademarks ..................................................................57
Replacing CRUs ............................18
Before replacing CRUs ..............................................18
Replacing external options .......................................20
Removing the computer cover ................................22
Replacing the front bezel ..........................................23
Replacing the optical drive........................................24
Pivoting the drive bay assembly upward and
downward ....................................................................25
Replacing the storage drive ......................................26
Replacing the 3.5-inch primary storage drive ............. 26
Replacing the 2.5-inch primary storage drive ............. 27
Replacing the 2.5-inch secondary storage drive ........ 27
Replacing a memory module ................................... 29
Replacing a PCI Express card ..................................30
Replacing the Wi-Fi card ...........................................31
2
Overview
Front view
Note
Your computer model might look slightly different from the illustration.
Optical drive eject/close button
1
Used to eject the tray of the optical drive. After you insert a disc
into the tray, press the eject/close button to close the tray.
Optical drive status indicator
2
This indicator is on when the optical drive is in use.
Storage drive status indicator
3
This indicator is on when the storage drive is in use.
Card reader slot (optional)
4
Used to read data from a supported memory card.
Power button
5
Used to turn on your computer. When you cannot shut down the
computer from the operating system, press and hold the power
button for four or more seconds to turn off the computer.
Power indicator
6
This indicator is on when the computer is on.
Microphone connector
7
Used to connect a microphone to your computer. You can use the
microphone to record sounds or interact with the computer using
speech-recognition software.
Headphone connector
8
Used to connect headphones to your computer.
USB 3.1 connectors (2)
9
Used to connect a USB-compatible device. For optimal data
transfer, connect a USB 3.1 device to a USB 3.1 connector instead
of a USB 3.0 or USB 2.0 connector.
10
11
12
Overview 3
USB 3.0 connectors (2)
Used to connect a USB-compatible device. For optimal data
transfer, connect a USB 3.0 device to a USB 3.1 or USB 3.0
connector instead of a USB 2.0 connector.
Illuminated red dot
This indicator is on when the computer is on.
Internal speaker (optional)
Used to listen to the sounds from your computer without using a
headset or headphones.
Rear view
Note
Your computer model might look slightly different from the illustration.
Microphone connector
1
Used to connect a microphone to your computer when you want
to record sound or use speech recognition software.
VGA-out connector
2
Used to send video signals from the computer to another video
device, such as a monitor.
DisplayPort®-out connectors (2)
3
Used to send audio and video signals from the computer to
another audio or video device, such as a high-performance
monitor.
USB 3.0 connectors (2)
4
Used to connect a USB-compatible device. For optimal data
transfer, connect a USB 3.0 device to a USB 3.1 or USB 3.0
connector instead of a USB 2.0 connector.
USB 2.0 connectors (2)
5
Used to connect a device that requires a USB 2.0 connection.
PS/2 keyboard connector
6
Used to connect a keyboard that uses a Personal System/2 (PS/2)
keyboard connector.
Audio line-out connector
7
Used to send audio signals from the computer to external devices,
such as powered stereo speakers, headphones, or multimedia
keyboards. To connect a stereo system or other external recording
device, connect a cable between the audio line-in connector of the
device and the audio line-out connector of the computer.
Note
If your computer has both an audio line-out connector and a headset
or headphone connector, always use the headset connector or
headphone connector for earphones, headphones, or a headset. The
headphone connector does not support headset microphones.
Overview 4
Audio line-in connector
8
Used to receive audio signals from an external audio device, such
as a stereo system. To attach an external audio device, connect a
cable between the audio line-out connector of the device and the
audio line-in connector of the computer.
Serial connector
9
Used to connect an external modem, a serial printer, or other
devices that use a serial connector.
10
11
12
13
14
15
Ethernet connector
Used to connect an Ethernet cable for network access.
PS/2 mouse connector
Used to connect a mouse, a trackball, or other pointing devices
that use a PS/2 mouse connector.
Security-lock slot
Used to secure a Kensington-style cable lock.
Padlock loop
Used to secure a padlock.
PCI-Express card area
To improve the operating performance of the computer, you
can connect PCI-Express cards into this area. Depending on the
computer model, the connectors in this area vary.
Cable lock slots (2) (optional)
Used to secure a cable lock.
16
Overview 5
Power cord connector
Used to connect the power cord to your computer for power
supply.
System board
Note
See Front view or Rear view for additional component descriptions.
4-pin power connector
1
Microprocessor fan connector
2
Internal speaker connector
3
Storage drive status indicator
4
Power button board connector
5
SATA power connectors (2)
6
10-pin power connector
7
SATA 3.0 connectors (3)
8
9
10
11
12
13
14
Auxiliary fan connector 1
Illuminated red dot connector
Thermal sensor connector
M.2 solid-state drive slot
Front USB 2.0 connector (Card reader
connector)
Front USB 2.0 connector
Overview 6
15
Parallel connector
16
17
18
19
20
21
22
23
24
25
Serial (COM2) connector
Buzzer
PCI Express x1 card slots (2)
PCI Express x16 graphics card slot
System fan connector
Microprocessor socket
Memory slot (DIMM1)
Memory slot (DIMM2)
Memory slot (DIMM3)
Memory slot (DIMM4)
26
27
28
29
Coin-cell battery
PCH
M.2 Wi-Fi card slot
Cover presence switch connector
(Intrusion switch connector)
Overview 7
Machine type and model label
The machine type and model label identies the computer. When you contact Lenovo for help, the machine
type and model information helps support technicians to identify the computer and provide faster service.
The machine type and model label is attached on the side of the computer as shown.
Overview 8
Specications
Power supply
Storage drives
Video features
Audio features
• 180 watt automatic voltage-sensing power supply
• 210 watt automatic voltage-sensing power supply
Up to two 2.5-inch or 3.5-inch storage drives and one M.2 solid-state drive
The integrated graphics card supports the following:
• DisplayPort-out connector
• VGA-out connector
The integrated audio card supports the following:
• Audio line-in connector
• Audio line-out connector
• Headphone connector
• Internal speaker (optional)
• Microphone connector
The optional discrete audio card provides an enhanced audio experience and
extended capabilities.
Input/Output (I/O) features
Expansion
• Audio connectors (audio line-in, audio line-out, headphone, and
microphone)
• Card reader slot (optional)
• Display connectors (DisplayPort-out and VGA-out)
• Ethernet connector
• PS/2 keyboard connector
• PS/2 mouse connector
• Serial connector
• USB connector
• Card reader (optional)
• Memory slot
• Optical drive
• PCI Express x1 card slot
• PCI Express x16 graphics card slot
• Storage drive bay
Specications 9
Network features
• Ethernet LAN
• Wireless LAN (optional)
• Bluetooth (optional)
Physical dimensions
Weight (without the package)
• Width: 92.5 mm (3.6 inches)
• Height: 343.5 mm (13.5 inches)
• Depth: 290.5 mm (11.4 inches)
• Maximum conguration as shipped: 6.0 kg (13.2 lb)
Specications 10
Locking the computer
Locking the computer cover
Locking the computer cover helps prevent unauthorized access
to the inside of your computer. Your computer features a padlock
loop so that the computer cover cannot be removed when a
padlock is installed.
Attaching a Kensington-style cable lock
You can use a Kensington-style cable lock to secure your
computer to a desk, table, or other nonpermanent xture. The
cable lock connects to the security-lock slot at the rear of your
computer. Depending on the type selected, the cable lock can be
operated with a key or combination. The cable lock also locks the
buttons used to open the computer cover. This is the same type
of lock used with many notebook computers. You can order such
a cable lock directly from Lenovo by searching for Kensington at:
http://www.lenovo.com/support.
Attaching a cable lock
A cable lock can be used to secure devices, such as the keyboard
and the mouse, by locking the device cables to the computer.
The cable lock connects to the cable-lock slots on the rear of the
computer.
To install a cable lock, do the following:
1
2
3
Locking the computer 11
Insert the clip 1 into the cable-lock slot 4.
Guide the cables you want to lock into the grooves of the
cable lock.
Press the clip 2 into the cable-lock slot 3 until it snaps into
position.
Replacing hardware
Before replacing hardware
Attention
Read these notes before replacing hardware:
• Some of the hardware components explained in this manual are optional.
• Use computer components provided only by Lenovo.
• When installing or replacing an option, use the appropriate instructions explained in this manual along
with the instructions that come with the option.
• In most areas of the world, Lenovo requires the return of defective CRUs. Information about this will come
with the CRU or will come a few days after the CRU arrives.
Do not open your computer or attempt any repairs before reading the Important
Product Information Guide.
Handling static-sensitive devices
Do not open the static-protective package containing the new component until the defective component
has been removed and you are ready to install the new component. Static electricity, although harmless to
you, can seriously damage computer components.
When you handle parts and other computer components, take these precautions to avoid static damage:
• Limit your movement. Movement can cause static electricity to build up around you.
• Always handle parts and other computer components carefully. Handle PCI/PCI-Express cards, memory
modules, system boards, and microprocessors by the edges. Never touch any exposed circuitry.
• Prevent others from touching the parts and other computer components.
• Touch the static-protective package containing the part to a metal expansion-slot cover or other
unpainted metal surface on the computer for at least two seconds. This reduces static electricity from
the package and your body before you install or replace a new part.
• When possible, remove the new part from the static-protective package, and install it directly in the
computer without setting the part down. When this is not possible, place the static-protective package
that the part came in on a smooth, level surface and place the part on the package.
• Do not place the part on the computer cover or other metal surface.
Replacing hardware 12
Knowing replaceable parts
Customer-Replaceable Units (CRUs)
CRUs are computer parts that a user can upgrade or replace. There are two types of CRUs: self-service and
optional-service.
Self-service CRUs
Note
Optional-service
CRUs
You can install self-service CRUs easily. These CRUs might be standalone,
latched, or secured by up to two screws.
Examples of self-service CRUs include the keyboard, mouse, any USB
device, and the power cord. Other self-service CRUs might include memory
modules, adapter cards, hard disk drives, and optical drives.
Users are responsible for replacing all self-service CRUs.
Handling optional-service CRUs requires some technical skills and simple
tools (such as a screwdriver).
These CRUs are isolated parts within the computer. They are usually
concealed by an access panel that is secured by more than two screws. You
must remove the screws and panel to access the specic CRU.
Optional-service CRUs can be removed and installed by users or, during the
warranty period, by a Lenovo service technician.
Field Replaceable Units (FRUs)
FRUs are computer parts that a trained technician can upgrade or replace.
For detailed FRU information, such as the FRU part numbers and supported computer models, go to:
http://www.lenovo.com/serviceparts-lookup
Replacing hardware 13
CRUs and FRUs locations
Refer to the following illustrations to check the locations of CRUs and FRUs within the computer.
Note
Self-service CRU
Some of the following parts are optional on some models.
Computer cover p. 22
1
Coin-cell battery p. 33
6
Memory module p. 29
8
M.2 solid-state drive p. 34
10
M.2 solid-state drive bracket p. 36
11
Secondary storage drive
12
bracket p. 26
Secondary storage drive (a 2.5-
13
inch storage drive) p. 26
Optical drive bracket p. 24
18
Optical drive p. 24
19
Front bezel p. 23
20
Dust shield p. 20
21
Keyboard
22
Mouse
23
Power cord
24
Replacing hardware 14
Primary storage drive
25
(a 2.5-inch or 3.5-inch storage
drive) p. 26
Primary storage drive bracket p. 26
26
Storage converter p. 26
27
Vertical stand p. 20
32
PCI Express card p. 30
37
Replacing hardware 15
Optional-service CRU
Wi-Fi card p. 31
4
Wi-Fi card shield p. 31
5
34
Power supply assembly p. 37
Replacing hardware 16
FRU
Heat sink fan duct p. 50
2
Heat sink and fan assembly p. 50
3
Microprocessor p. 51
7
System board p. 54
9
Card reader p. 48
14
Power button board p. 48
15
Front I/O bracket p. 48
16
Optical drive cable
17
Storage drive cable
28
Illuminated red dot p. 45
29
Thermal sensor p. 46
30
Internal speaker p. 43
31
Chassis
33
Wi-Fi antennas (2) p. 41
35
Cover presence switch
36
(Intrusion switch) p. 53
Replacing hardware 17
Replacing CRUs
Before replacing CRUs
To check the locations of CRUs, see CRUs and FRUs locations.
Attention
Before replacing a CRU, click the illustration of the part to check the brief procedures.
External options
Do not open your computer or attempt any repairs before reading the Important
Product Information Guide.
Computer cover
Front bezel
Optical drive
Replacing CRUs 18
Drive bay assembly
Storage drive
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