Lenovo ThinkCentre M910x Owner's manual

M910x
User Guide and
Hardware Maintenance Manual
Machine Type (MT):
10MY, 10N0, 10N1, 10N2, 10QQ
Energy Star MT:
10MY, 10N0, 10N1, 10N2, 10QQ
Overview
Locations of indicators,
connectors, and
controls provided on
your computer
Replaceable parts
Locations of the
replaceable parts on
your computer
Specications
Specications of your
computer
Replacing FRUs
Replacing instructions
for eld-replaceable
units (FRUs) (for
technicians only)
Computer locks
Locking devices for
your computer
Replacing CRUs
Replacing instructions
for customer-
replaceable units
(CRUs)

2
Overview.........................................3
Front view....................................................................... 3
Rear view........................................................................ 4
System board................................................................6
Machine type and model label................................... 7
I/O box............................................8
Overview.........................................................................8
Using the I/O box.......................................................... 9
Computer locks ............................10
Attaching a Kensington-style cable lock ...............10
Specications...............................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 CRUs............................17
Before replacing CRUs ..............................................17
Replacing the keyboard or wireless keyboard......19
Replacing the keyboard .................................................. 19
Replacing the wireless keyboard.................................. 19
Replacing the mouse or wireless mouse ..............20
Replacing the mouse ...................................................... 20
Replacing the wireless mouse ...................................... 20
Replacing the power adapter...................................22
Replacing the vertical stand.....................................23
Replacing the VESA mount bracket........................24
Replacing the external optical drive........................25
Replacing the external I/O box ................................26
Replacing the power adapter bracket ....................27
Removing the computer cover ................................28
Replacing the storage drive......................................29
Replacing the internal speaker ................................30
Replacing the system fan.........................................31
Replacing the PCI Express card and PCI Express
card adapter ................................................................32
Replacing the Wi-Fi card...........................................34
Replacing the bottom cover.....................................37
Replacing the memory module ...............................38
Replacing the M.2 storage drive..............................39
Completing the parts replacement.........................40
Replacing FRUs ............................41
Before replacing FRUs...............................................41
Replacing the illuminated red dot cable ................43
Replacing the advanced speaker............................44
Replacing the Wi-Fi antennas..................................45
Replacing the front Wi-Fi antenna ............................... 45
Replacing the rear Wi-Fi antenna................................. 46
Replacing the storage drive cable...........................48
Replacing the heat sink.............................................49
Replacing the microprocessor.................................50
Replacing the coin-cell battery................................52
Replacing the antenna bracket................................54
Replacing the system board and chassis .............55
Notices & Trademarks ..................57
Notices..........................................................................57
Trademarks .................................................................58
Contents

Overview 3
Overview
Front view
Note Your computer model might look slightly different from the illustration.
1Power indicator
This indicator is on when the computer is on.
2Power button
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.
3Storage drive status indicator
This indicator is on when the storage drive is in use.
4Microphone 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.
5Headset connector
Used to connect a headset or headphones to your computer.
6USB 3.0 connector
Used to connect a USB-compatible device, such as a USB
keyboard, mouse, scanner, printer, or personal digital assistant
(PDA). For optimal data transfer, connect a USB 3.0 device to a
USB 3.0 connector instead of a USB 2.0 connector.
7Always On USB 3.0 connector
Used to connect a device that requires a USB 2.0 or USB 3.0
connection, such as a keyboard, a mouse, a scanner, a printer,
or a personal digital assistant (PDA). With the power adapter
connected, you can charge the automatically detected device
even when the computer is in hibernation mode or turned off.
8Illuminated red dot
This indicator is on when the computer is powered on.

Overview 4
Rear view
Note Your computer model might look slightly different from the illustration.
9Mini DisplayPort® connectors (4) (optional)
Used to send or receive audio and video signals. You can attach
a compatible audio or video device to this connector, such as a
high-performance monitor. Depending on the computer model,
the connector might vary.
10 Security-lock slot
Used to secure a Kensington-style cable lock.
11 Wi-Fi antenna slot
Used to install the rear Wi-Fi antenna cable connector that is
available only on some models. The rear Wi-Fi antenna is installed
on the rear Wi-Fi antenna cable connector.
12 Ethernet connector
Used to connect an Ethernet cable for network access.
13 USB 3.0 connectors (2)
Used to connect a device that requires a USB 2.0 or USB 3.0
connection.
14 USB 3.0 connector
Used to connect a device that requires a USB 2.0 or USB 3.0
connection.
Note The USB 3.0 connector supports the
smart power on feature that enables
you to turn on the computer or wake
it up from S4 hibernation mode by
pressing Alt+P on the keyboard. You
can enable or disable the smart power
on feature from the Setup Utility
program. For detailed information, see
Important Product Information Guide.
15 DisplayPort connector
Used to send or receive audio and video signals. You can attach
a compatible audio or video device to this connector, such as a
high-performance monitor.

Overview 5
16 USB 3.0 connector
Used to connect a device that requires a USB 2.0 or USB 3.0
connection.
17 DisplayPort connector
Used to send or receive audio and video signals. You can attach
a compatible audio or video device to this connector, such as a
high-performance monitor.
18 Power adapter connector
Used to connect the power adapter to your computer for power
supply.