Lenovo M910T User Manual
M910t
User Guide and
Hardware Maintenance Manual
Machine Type (MT):
10MM, 10MN, 10QL
Energy Star MT:
10MM, 10MN, 10QL
Overview
Locations of indicators,
connectors, and
controls provided on
your computer
Replaceable parts
Locations of the
replaceable parts on
your computer
Specications
Specications of your
computer
Replacing CRUs
Replacing instructions
for Customer
Replaceable Units
(CRUs)
Computer locks
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 ........................................................................5
System board ................................................................ 7
Machine type and model label ...................................9
Specications ............................... 10
Computer locks ............................12
Locking the computer cover ....................................12
Attaching a Kensington-style cable lock ...............12
Attaching a cable lock ...............................................13
Replacing hardware ......................14
Before replacing hardware .......................................14
Handling static-sensitive devices ...........................14
Knowing replaceable parts .......................................15
Customer Replaceable Units (CRUs) ........................... 15
Field Replaceable Units(FRUs) ......................................15
CRUs and FRUs locations .............................................. 16
Replacing the storage drive ......................................31
Replacing the 3.5-inch storage drive in the
primary or secondary drive bay .................................... 31
Replacing the 3.5-inch storage drive in the front-
access storage enclosure .............................................. 33
Replacing the 2.5-inch storage drive in the
storage converter .............................................................34
Replacing the 2.5-inch storage drive in the
tertiary drive bay ..............................................................34
Replacing the memory module ...............................36
Replacing the coin-cell battery ................................37
Replacing the PCI Express card ..............................38
Replacing the power supply assembly ..................39
Replacing the M.2 storage drive ..............................40
Replacing the Wi-Fi card ...........................................42
Completing the parts replacement .........................44
Replacing FRUs ............................45
Before replacing FRUs ...............................................45
Replacing computer handle .....................................47
Replacing the power button .....................................48
Replacing the card reader .........................................49
Replacing front I/O bracket ......................................50
Replacing the Wi-Fi antennas ..................................51
Replacing CRUs ............................ 19
Before replacing CRUs ..............................................19
Replacing the keyboard or wireless keyboard ...... 21
Replacing the keyboard .................................................. 21
Replacing the wireless keyboard .................................. 22
Replacing the mouse or wireless mouse ..............23
Replacing the mouse ...................................................... 23
Replacing the wireless mouse ...................................... 23
Replacing the power cord .........................................25
Removing the computer cover ................................26
Replacing the front bezel ..........................................27
Pivoting the drive bay assembly inward and
outward ........................................................................28
Replacing the optical drive .......................................29
2
Replacing the front fan ..............................................53
Replacing the illuminated red dot ...........................54
Replacing the thermal sensor ..................................55
Replacing the internal speaker ................................56
Replacing the cover presence switch ....................57
Replacing the heat sink and fan assembly ...........58
Replacing the microprocessor .................................59
Replacing the rear fan ...............................................61
Replacing the system board ....................................62
Notices & Trademarks ..................64
Notices..........................................................................64
Trademarks .................................................................65
Overview
Front view
Note
Your computer model might look slightly different from the illustration.
Slim optical drive eject/close button (optional)
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.
Slim optical drive status indicator (optional)
2
This indicator is on when the optical drive is in use.
Optical drive eject/close button (optional)
3
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 (optional)
4
This indicator is on when the optical drive is in use.
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.
Storage drive status indicator
7
This indicator is on when the storage drive is in use.
Front I/O cover
8
Used to protect the front I/O connectors.
Overview 3
Card reader slot (optional)
9
Used to read data from a supported memory card.
10
11
12
13
14
Microphone connector
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
Used to connect headphones to your computer.
USB 3.0 connectors (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.
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.
Overview 4
Rear view
Note
Your computer model might look slightly different from the illustration.
Audio line-in connector
1
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.
Audio line-out connector
2
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.
Microphone connector
3
Used to connect a microphone to your computer when you want
to record sound or use speech recognition software.
DisplayPort®-out connectors (2)
4
Used to send audio and video signals from the computer to
another audio or video device, such as a high-performance
monitor.
PS/2 mouse connector (optional)
5
Used to connect a mouse, a trackball, or other pointing devices
that use a PS/2 mouse connector.
PS/2 keyboard connector (optional)
6
Used to connect a keyboard that uses a Personal System/
2 (PS/2) keyboard connector.
Overview 5
VGA-out connector
7
Used to send video signals from the computer to another video
device, such as a monitor.
Serial connector
8
Used to connect an external modem, a serial printer, or other
devices that use a serial connector.
USB 3.0 connectors (4)
9
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.
10
11
12
13
14
15
16
Ethernet connector
Used to connect an Ethernet cable for network access.
Power cord connector
Used to connect the power cord to your computer for power
supply.
Rear Wi-Fi antenna cover
Used to protect the rear Wi-Fi antenna.
Serial connector (optional)
Used to connect an external modem, a serial printer, or other
devices that use a serial connector.
Padlock loop
Used to secure a padlock.
Cable lock slots (2)
Used to secure a cable lock.
PCI-Express card area (different cards provide
different connectors)
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 might vary.
17
Overview 6
Security-lock slot
Used to secure a Kensington-style cable lock.
System board
Note
See Front view or Rear view for additional component descriptions.
4-pin power connector
1
Microprocessor fan connector
2
Memory slot (DIMM1)
3
Memory slot (DIMM2)
4
Memory slot (DIMM3)
5
Memory slot (DIMM4)
6
Power button board connector
7
Internal speaker connector
8
9
10
11
12
13
14
15
SATA power connector
SATA power connector
10-pin power connector
Auxiliary fan connector
SATA 3.0 connector
eSATA connector
SATA 3.0 connector
Overview 7
16
SATA 3.0 connector
17
18
19
20
21
22
23
24
25
M.2 Wi-Fi card slot
M.2 storage drive slot
Illuminated red dot connector
Thermal sensor connector
Front USB 2.0 connector
Front USB 2.0 connector
Serial (COM2) connector
PCI Express card slot (physical
link width x16; negotiable link
width x4, x1)
PCI Express x1 card slot
26
27
28
29
30
31
PCI Express x16 graphics card
slot
Cover presence switch
connector (Intrusion switch
connector)
System fan connector
Coin-cell battery
Microprocessor socket
PS/2 keyboard and mouse
connector
Overview 8
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 9
Specications
Power supply
Storage drives
Video features
Audio features
• 180 watt automatic voltage-sensing power supply
• 250 watt automatic voltage-sensing power supply
Up to four SATA storage drives (including one hot-swap storage drive) and
one M.2 storage drive
The integrated graphics card supports the following:
• DisplayPort-out connector
• VGA-out connector
The optional discrete graphics card provides an enhanced display
experience and extended capabilities.
The integrated audio card supports the following:
• Audio line-in connector
• Audio line-out connector
• Headphone connector
Input/Output (I/O) features
• Internal speaker (optional)
• Microphone connector
• Audio connectors (audio line-in connector, audio line-out connector,
headphone connector, and microphone connector)
• Card reader slot (optional)
• Display connectors (DisplayPort-out connector and VGA-out connector)
• Ethernet connector
• PS/2 keyboard connector (optional)
• PS/2 mouse connector (optional)
• Serial connector
• USB connector
Specications 10
Expansion
• Card reader (optional)
• Memory slot
• Optical drive (optional)
• PCI Express card slot (physical link width x16; negotiable link width x4, x1)
• PCI Express x1 card slot
• PCI Express x16 graphics card slot
• Storage drive bay
Network features
Physical dimensions
Weight
(without the package)
• Ethernet LAN
• Wireless LAN (optional)
• Bluetooth (optional)
• Width: 165.0 mm (6.5 inches)
• Height: 410.3 mm (16.2 inches)
• Depth: 321.4 mm (12.7 inches)
• Maximum conguration as shipped: 10.0 kg (22.1 lb)
Specications 11
Computer locks
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.
Computer locks 12
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
Insert the clip 1 into the cable-lock slot 4.
Pull the cables you want to lock through the dents
in the cable lock.
Press the clip 2 into the cable-lock slot 3 until it
snaps into position.
Computer locks 13
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 (Customer Replaceable Units).
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 14
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 15
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.
Coin-cell battery p. 37
2
Memory module p. 36
4
M.2 storage drive p. 40
6
Optical drive bracket p. 29
8
Slim optical drive p. 29
9
5.25-inch optical drive p. 29
10
Front bezel p. 27
12
Inner storage drive bracket
19
p. 31
Outer storage drive bracket
20
p. 31
2.5-inch or 3.5-inch storage
21
drive p. 31
Storage converter p. 31
22
Keyboard p. 21
23
Mouse p. 23
24
Power cord p. 25
25
PCI Express card p. 38
30
Computer cover p. 26
36
Replacing hardware 16
Optional-service CRU
29
34
35
Power supply assembly p. 39
Wi-Fi card shield p. 42
Wi-Fi card p. 42
Replacing hardware 17
FRU
Heat sink and fan assembly
1
p. 58
Microprocessor p. 59
3
System board p. 62
5
Optical drive cable p. 29
7
11
13
14
15
16
17
18
26
27
28
Computer handle p. 47
Front I/O bracket p. 50
Card reader p. 49
Power button p. 48
Wi-Fi antennas and rear
antenna cover p. 51
Thermal sensor p. 55
Illuminated red dot p. 54
Storage drive cable p. 31
Front fan p. 53
Internal speaker p. 56
31
32
33
Replacing hardware 18
Chassis
Cover presence switch p. 57
Rear fan p. 61
Replacing CRUs
Before replacing CRUs
Customer Replaceable Units (CRUs) are computer parts that a user can upgrade or replace. There are two
types of CRUs: self-service and optional-service.
To check the locations of CRUs, see
Attention
Before replacing a CRU, click the illustration of the part to check the brief procedures.
Keyboard
Do not open your computer or attempt any repairs before reading the Important
Product Information Guide.
CRUs and FRUs locations.
Mouse
Power cord
Computer cover
Replacing CRUs 19
Front bezel
Drive bay assembly
Optical drive Memory moduleStorage drive
Coin-cell battery
M.2 storage drive
PCI Express card
Wi-Fi card
Power supply
assembly
Note
Replacing CRUs 20
To replace a component that is not in the list above, contact a Lenovo service
technician. The support phone numbers are available at: http://www.lenovo.com/
support/phone
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