Your computer model might look slightly different from the illustration.
Power indicator
1
This indicator is on when the computer is on.
Power button
2
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.
Storage drive status indicator
3
This indicator is on when the storage drive is in use.
Microphone connector
4
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.
Headset connector
5
Used to connect a headset or headphones to your computer.
USB 3.0 connector
6
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.
Always On USB 3.0 connector
7
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.
Illuminated red dot
8
This indicator is on when the computer is powered on.
Overview3
Rear view
Note
Your computer model might look slightly different from the illustration.
Mini DisplayPort® connectors (4) (optional)
9
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
11
12
Security-lock slot
Used to secure a Kensington-style cable lock.
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.
Ethernet connector
Used to connect an Ethernet cable for network access.
13
14
15
USB 3.0 connectors (2)
Used to connect a device that requires a USB 2.0 or USB 3.0
connection.
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.
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.
Overview4
16
USB 3.0 connector
Used to connect a device that requires a USB 2.0 or USB 3.0
connection.
17
18
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.
Power adapter connector
Used to connect the power adapter to your computer for power
supply.
Overview5
System board
Note
See Front view or Rear view for additional component descriptions.
Serial connector 1
1
Serial connector 2
2
USB 3.0 connector
3
Storage drive fan connector
4
Microprocessor socket
5
Coin-cell battery
6
Illuminated red dot connector
7
Internal speaker connector
8
9
10
11
12
13
14
15
16
17
System fan connector
Advanced speaker connector
SATA storage drive connector
M.2 Wi-Fi card slot
PCI Express graphics card slot
Memory slot (DIMM1)
Memory slot (DIMM2)
M.2 storage drive slot 2
M.2 storage drive slot 1
Overview6
Machine type and model label
The machine type and model label identies your computer. When you contact Lenovo for help, the
machine type and model information helps support technicians to identify your computer and provide
faster service.
The machine type and model label is attached on the side of your computer as shown.
Overview7
I/O box
Overview
Note
Depending on your computer model, the I/O box might be optional.
USB 2.0 connectors (2)
1
Serial connector (optional)
2
USB 2.0 connectors (2)
3
USB 3.0 connectors (2)
4
USB 3.0 connector
5
(for connecting to the computer)
I/O box8
Using the I/O box
When you use the I/O box with the ThinkCentre tiny computer, note the following:
• The I/O box supports a maximum current rating of 5 A. It is recommended that you connect low-current
devices to the I/O box and connect high-current devices directly to the ThinkCentre tiny computer to
ensure the best performance of the devices.
• The USB 2.0 connectors and USB 3.0 connectors on the I/O box provide a current of 500 mA and 900
mA current, respectively. When you connect a high-current storage drive to only one USB connector, the
system might not recognize the device. You can connect the storage drive to two USB connectors on the
I/O box.
• The serial connector does not support hot swapping. Do not connect a device to the connector or
remove a device from the connector while the system is running.
• The connectors on the I/O box cannot be enabled or disabled individually. To enable or disable any of the
connectors on the I/O box, enable or disable the USB connectors on the rear of the computer.
• The I/O box enables you to wake up the computer from standby mode through operations on devices
connected to the I/O box connectors.
I/O box9
Computer locks
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 locks10
Specications
Power supply
Storage drives
Video features
Audio features
Input/Output (I/O) features
135 watt automatic voltage-sensing power supply
Up to three storage drives
The integrated graphics card supports the following:
• DisplayPort connectors
The integrated audio card supports the following:
• Advanced speaker (optional)
• Headset connector
• Internal speaker
• Microphone connector
• Audio connectors (headset and microphone)
• DisplayPort connectors
• Ethernet connector
• Serial connectors (optional)
• USB connectors
Expansion
Network features
Physical dimensions
Weight (without the package)
• External I/O box (optional)
• External optical drive box (optional)
• Memory slots
• M.2 storage drive slots
• PCI Express graphics card slot
• Ethernet LAN
• Wireless LAN (optional)
• Bluetooth (optional)
• Width: 35 mm (1.4 inches)
• Height: 183 mm (7.2 inches)
• Depth: 179 mm (7.1 inches)
• Maximum conguration as shipped: 1.3 kg (2.9 lb)
Specications11
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 hardware12
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
Users are responsible for replacing all self-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.
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 hardware13
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 might look different from the one illustrated.
• Some of the following parts are optional on some models.
Vertical stand p. 23
1
Power adapter bracket p. 27
2
Power adapter p. 22
3
Power cord p. 22
4
Computer cover p. 28
5
15
16
Bottom cover p. 37
Memory module p. 38
17
27
28
29
30
31
32
M.2 storage drive p. 39
VESA® mount bracket p. 24
External optical drive p. 25
External optical drive box p. 25
External I/O box p. 26
Keyboard or wireless
keyboard p. 19
Mouse or wireless mouse p. 20
Replacing hardware14
Optional-service CRU
Internal speaker p. 30
8
12
19
20
21
22
23
24
System fan p. 31
Storage drive p. 29
Storage drive bracket p. 29
Wi-Fi card shield p. 34
Wi-Fi card p. 34
PCI Express card p. 32
PCI Express card adapter p. 32
Replacing hardware15
FRU
Microprocessor p. 50
6
Coin-cell battery p. 52
7
Illuminated red dot cable p. 43
9
10
11
13
14
18
25
26
Advanced speaker p. 44
Antenna bracket p. 54
System board p. 55
Chassis p. 55
Storage drive cable p. 48
Wi-Fi antennas p. 45
Heat sink p. 49
Replacing hardware16
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 or wireless
keyboard
Do not open your computer or attempt any repairs before reading the Important
Product Information Guide.
CRUs and FRUs locations.
Mouse or wireless
mouse
Power adapter
Vertical stand
Replacing CRUs17
VESA mount bracket
External optical drive
External I/O boxComputer cover
Power adapter bracket
Internal speakerStorage drive
PCI Express cardPCI Express card
adapter
System fan
Wi-Fi card
Bottom cover
Note
Replacing CRUs18
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.
Memory module
M.2 storage drive
Replacing the keyboard or wireless keyboard
Note
The wireless keyboard is available only on some models.
Replacing the keyboard
1
2
3
Turn off the computer and disconnect all power cords from electrical outlets.
Disconnect the old keyboard cable from the computer.
Connect a new keyboard to the appropriate connector on the computer.
Replacing the wireless keyboard
1
2
3
4
Remove your old wireless keyboard.
Take out the new wireless keyboard from the package.
Open the battery compartment cover, and install two AAA batteries according to the polarity
indicators.
Remove the USB dongle from the keyboard compartment or from the wireless mouse compartment
and connect it to an available USB connector on the computer.
5
Replacing CRUs19
Close the compartment cover. The keyboard is ready for use.
Replacing the mouse or wireless mouse
Note
The wireless mouse is available only on some models.
Replacing the mouse
1
2
3
Turn off the computer and disconnect all power cords from electrical outlets.
Disconnect the old mouse cable from the computer.
Connect a new mouse to the appropriate connector on the computer.
Replacing the wireless mouse
1
2
3
Disconnect the USB dongle from your computer. Then, remove your old wireless mouse.
Remove the new wireless mouse from the package.
Replace the wireless mouse.
12
Replacing CRUs20
34
56
Note
• The green LED indicates that the mouse is ready for use.
• The flashing amber LED indicates a low battery level.
• Push the power switch to the off position when you are not using the mouse to
extend the battery life.
• After disconnecting the USB dongle from your computer, store it in the wireless
mouse compartment or in the wireless keyboard compartment.
Replacing CRUs21
Replacing the power adapter
1
2
3
Attention
Remove any media from the drives and turn off all connected devices and the computer.
Disconnect all power cords from electrical outlets and disconnect all cables that are connected to
the computer.
Replace the power adapter.
Note
12
Do not open your computer or attempt any repairs before reading the Important
Product Information Guide.
Your power cord might look different from the one illustrated.
3
Replacing CRUs22
4
Replacing the vertical stand
1
2
3
Attention
Remove any media from the drives and turn off all connected devices and the computer.
Disconnect all power cords from electrical outlets and disconnect all cables that are connected to
the computer.
Replace the vertical stand.
12
Do not open your computer or attempt any repairs before reading the Important
Product Information Guide.
Replacing CRUs23
Replacing the VESA mount bracket
1
2
3
Attention
Remove any media from the drives and turn off all connected devices and the computer.
Disconnect all power cords from electrical outlets and disconnect all cables that are connected to
the computer.
Replace the VESA mount bracket.
12
Do not open your computer or attempt any repairs before reading the Important
Product Information Guide.
Replacing CRUs24
Replacing the external optical drive
1
2
3
Attention
Remove any media from the drives and turn off all connected devices and the computer.
Disconnect all power cords from electrical outlets and disconnect all cables that are connected to
the computer.
Replace the external optical drive.
12
Do not open your computer or attempt any repairs before reading the Important
Product Information Guide.
34
Replacing CRUs25
Replacing the external I/O box
1
2
3
Attention
Remove any media from the drives and turn off all connected devices and the computer.
Disconnect all power cords from electrical outlets and disconnect all cables that are connected to
the computer and the external I/O box.
Replace the external I/O box.
12
Do not open your computer or attempt any repairs before reading the Important
Product Information Guide.
Replacing CRUs26
Replacing the power adapter bracket
1
2
3
Attention
Remove any media from the drives and turn off all connected devices and the computer.
Disconnect all power cords from electrical outlets and disconnect all cables that are connected to
the computer.
Replace the power adapter bracket.
12
Do not open your computer or attempt any repairs before reading the Important
Product Information Guide.
Replacing CRUs27
Removing the computer cover
1
2
3
Attention
Remove any media from the drives and turn off all connected devices and the computer.
Disconnect all power cords from electrical outlets and disconnect all cables that are connected to
the computer.
Remove the computer cover.
Do not open your computer or attempt any repairs before reading the Important Product Information Guide.
Replacing CRUs28
Replacing the storage drive
1
2
3
4
5
Attention
Remove any media from the drives and turn off all connected devices and the computer.
Disconnect all power cords from electrical outlets and disconnect all cables that are connected to
the computer.
Remove the computer cover. For details, see Removing the computer cover.
Disconnect the storage drive cables from the system board.
Replace the storage drive.
12
Do not open your computer or attempt any repairs before reading the Important
Product Information Guide.
3
6
7
Replacing CRUs29
Connect the storage drive cables to the system board.
Reinstall the computer cover and reconnect the cables. For details, see Completing the parts
replacement.
4
Replacing the internal speaker
1
2
3
4
5
Attention
Remove any media from the drives and turn off all connected devices and the computer.
Disconnect all power cords from electrical outlets and disconnect all cables that are connected to
the computer.
Remove the computer cover. For details, see Removing the computer cover.
Disconnect the internal speaker cable from the internal speaker connector on the system board.
Replace the internal speaker.
12
Do not open your computer or attempt any repairs before reading the Important
Product Information Guide.
6
7
Replacing CRUs30
Connect the internal speaker cable to the internal speaker connector on the system board.
Reinstall the computer cover and reconnect the cables. For details, see Completing the parts
replacement.
Replacing the system fan
1
2
3
4
5
6
7
Attention
Remove any media from the drives and turn off all connected devices and the computer.
Disconnect all power cords from electrical outlets and disconnect all cables that are connected to
the computer.
Remove the computer cover. For details, see Removing the computer cover.
Remove the storage drive. For details, see Replacing the storage drive.
Remove the internal speaker. For details, see Replacing the internal speaker.
Release the illuminated red dot cable from the system fan.
Disconnect the system fan cable from the system fan connector on the system board.
Do not open your computer or attempt any repairs before reading the Important Product Information Guide.
8
9
10
Replace the system fan.
12
Connect the system fan cable to the system fan connector on the system board.
Install the illuminated red dot cable to the new system fan.
11
Replacing CRUs31
Reinstall the computer cover and reconnect the cables. For details, see Completing the parts
replacement.
Replacing the PCI Express card and PCI Express card adapter
1
2
3
4
5
6
Attention
Remove any media from the drives and turn off all connected devices and the computer.
Disconnect all power cords from electrical outlets and disconnect all cables that are connected to
the computer.
Remove the computer cover. For details, see Removing the computer cover.
Remove the internal speaker. For details, see Replacing the internal speaker.
Remove the system fan. For details, see Replacing the system fan.
Replace the PCI Express card and PCI Express card adapter.
Do not open your computer or attempt any repairs before reading the Important
Product Information Guide.
12
Replacing CRUs32
34
7
Reinstall the computer cover and reconnect the cables. For details, see Completing the parts
replacement.
Replacing CRUs33
Replacing the Wi-Fi card
1
2
3
4
5
6
Attention
Remove any media from the drives and turn off all connected devices and the computer.
Disconnect all power cords from electrical outlets and disconnect all cables that are connected to
the computer.
Remove the computer cover. For details, see Removing the computer cover.
Remove the storage drive. For details, see Replacing the storage drive.
Remove the system fan. For details, see Replacing the system fan.
Remove the PCI Express card. For details, see Replacing the PCI Express card and PCI Express card
adapter.
Do not open your computer or attempt any repairs before reading the Important
Product Information Guide.
7
Depending on your computer model, refer to one of the following to replace the Wi-Fi card.
•Type 1
12
Replacing CRUs34
34
56
•Type 2
12
Replacing CRUs35
34
56
8
Reinstall the computer cover and reconnect the cables. For details, see Completing the parts
replacement.
Replacing CRUs36
Replacing the bottom cover
1
2
3
4
Attention
Remove any media from the drives and turn off all connected devices and the computer.
Disconnect all power cords from electrical outlets and disconnect all cables that are connected to
the computer.
Remove the computer cover. For details, see Removing the computer cover.
Replace the bottom cover.
12
Do not open your computer or attempt any repairs before reading the Important
Product Information Guide.
5
Replacing CRUs37
Reinstall the computer cover and reconnect the cables. For details, see Completing the parts
replacement.
Replacing the memory module
Attention
If your computer supports one memory module, install the module into the DIMM 1 slot. If your computer
supports two memory modules, install one memory module into the DIMM 1 slot rst and then install the
other into the DIMM 2 slot. See
1
2
3
4
5
Remove any media from the drives and turn off all connected devices and the computer.
Disconnect all power cords from electrical outlets and disconnect all cables that are connected to
the computer.
Remove the computer cover. For details, see Removing the computer cover.
Remove the bottom cover. For details, see Replacing the bottom cover.
Replace the memory module.
Do not open your computer or attempt any repairs before reading the Important Product Information Guide.
System board for the locations of the slots.
12
3
4
6
Replacing CRUs38
Reinstall the removed parts and computer cover. For details, see Completing the parts replacement.
Replacing the M.2 storage drive
Attention
If your computer supports one M.2 storage drive, install the drive into the M.2 storage drive slot 1. If your
computer supports two M.2 storage drives, install one drive into the M.2 storage drive slot 1 rst and then
install the other into the slot 2. See
1
2
3
4
5
Remove any media from the drives and turn off all connected devices and the computer.
Disconnect all power cords from electrical outlets and disconnect all cables that are connected to
the computer.
Remove the computer cover. For details, see Removing the computer cover.
Remove the bottom cover. For details, see Replacing the bottom cover.
Replace the M.2 storage drive.
Do not open your computer or attempt any repairs before reading the Important
Product Information Guide.
System board for the locations of the slots.
12
3
4
6
Replacing CRUs39
Reinstall the removed parts and computer cover. For details, see Completing the parts replacement.
Completing the parts replacement
After completing the installation or replacement for all parts, reinstall the computer cover and reconnect
the cables.
To reinstall the computer cover and reconnect the cables to your computer, do the following:
1
2
3
Ensure that all components have been reassembled correctly and that no tools or loose screws
are left inside your computer. See
computer.
Ensure that the cables are routed correctly before reinstalling the computer cover. Keep cables
clear of the hinges and sides of the computer chassis to avoid interference when reinstalling the
computer cover.
Install the computer cover.
System board for the locations of various components in your
4
5
6
7
Replacing CRUs40
Install the screw to secure the computer cover.
Place the computer in an upright position.
If a locking device is available, use it to lock the computer. See Computer locks.
Reconnect the external cables and power cords to the corresponding connectors on the computer.
Front view or Rear view for the locations of various components in your computer
See
Replacing FRUs
Before replacing FRUs
Before replacing any Field Replaceable Units (FRUs), read the following:
• Only certied and trained personnel can service the computer.
• Before replacing an FRU, read the entire section about replacing the part.
• Be extremely careful during writing operations such as copying, saving, or formatting.
The sequence of the drives in the computer that you are servicing might have been altered. If you select an
incorrect drive, data or programs might be overwritten.
• Replace an FRU only with another FRU of the correct model.
When you replace an FRU, ensure that the model of the machine and the FRU part number are correct by
referring to the website http://www.lenovo.com/serviceparts-lookup.
• An FRU should not be replaced because of a single, unreproducible failure.
Single failures can occur for a variety of reasons that have nothing to do with a hardware defect, such as
cosmic radiation, electrostatic discharge, or software errors. Consider replacing an FRU only when a problem
recurs. If you suspect that an FRU is defective, clear the error log and run the test again. If the error does not
recur, do not replace the FRU.
• Only replace a defective FRU.
To check the locations of FRUs, see CRUs and FRUs locations.
Attention
Do not open your computer or attempt any repairs before reading the Important
Product Information Guide.
Replacing FRUs41
Before replacing an FRU, click the illustration of the part to check the brief procedures.
Illuminated red dot cable
Storage drive cable
Advanced speaker
Heat sink
Wi-Fi antennas
Microprocessor
Coin-cell battery
Chassis
Antenna bracket
Note
System board
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.
Replacing FRUs42
Replacing the illuminated red dot cable
1
2
3
Attention
Remove the computer cover. For details, see Removing the computer cover.
Disconnect the illuminated red dot cable from the system board. See System board.
Replace the illuminated red dot cable.
12
Do not open your computer or attempt any repairs before reading the Important
Product Information Guide.
4
5
Connect the illuminated red dot cable to the system board. See System board.
Reinstall the removed parts and computer cover. For details, see Completing the parts replacement.
Replacing FRUs43
Replacing the advanced speaker
1
2
3
4
5
Note
Attention
Remove the computer cover. For details, see Removing the computer cover.
Remove the storage drive. For details, see Replacing the storage drive.
Remove the system fan. For details, see Replacing the system fan.
Remove the PCI Express card. For details, see Replacing the PCI Express card and PCI Express card
adapter.
Disconnect the advanced speaker cable from the advanced speaker connector on the system board.
System board.
See
The advanced speaker is available only on some models.
Do not open your computer or attempt any repairs before reading the Important Product Information Guide.
6
7
8
Replace the advanced speaker.
12
Connect the advanced speaker cable to the advanced speaker connector on the system board. For
details, see
Reinstall the removed parts and computer cover. For details, see Completing the parts replacement.
System board.
Replacing FRUs44
Replacing the Wi-Fi antennas
Attention
Do not open your computer or attempt any repairs before reading the Important
Product Information Guide.
Replacing the front Wi-Fi antenna
1
2
3
4
5
Remove the computer cover. For details, see Removing the computer cover.
Remove the storage drive. For details, see Replacing the storage drive.
Remove the system fan. For details, see Replacing the system fan.
Remove the PCI Express card. For details, see Replacing the PCI Express card and PCI Express card
adapter.
Replace the front Wi-Fi antenna.
12
34
6
Replacing FRUs45
Reinstall the removed parts and computer cover. For details, see Completing the parts replacement.
Replacing the rear Wi-Fi antenna
1
2
3
4
5
6
Remove the computer cover. For details, see Removing the computer cover.
Remove the storage drive. For details, see Replacing the storage drive.
Remove the system fan. For details, see Replacing the system fan.
Remove the PCI Express card. For details, see Replacing the PCI Express card and PCI Express card
adapter.
Disconnect the rear Wi-Fi antenna cable from the Wi-Fi card.
Replace the rear Wi-Fi antenna.
Note
12
Record the cable routing before removing the rear Wi-Fi antenna cable.
34
Replacing FRUs46
56
7
8
Connect the rear Wi-Fi antenna cable to the Wi-Fi card.
Reinstall the removed parts and computer cover. For details, see Completing the parts replacement.
Replacing FRUs47
Replacing the storage drive cable
1
2
3
Attention
Remove the computer cover. For details, see Removing the computer cover.
Remove the storage drive. For details, see Replacing the storage drive.
Replace the storage drive cable.
12
Do not open your computer or attempt any repairs before reading the Important
Product Information Guide.
4
Reinstall the removed parts and computer cover. For details, see Completing the parts replacement.
Replacing FRUs48
Replacing the heat sink
1
2
3
4
5
6
Attention
Remove the computer cover. For details, see Removing the computer cover.
Remove the storage drive. For details, see Replacing the storage drive.
Remove the internal speaker. For details, see Replacing the internal speaker.
Remove the system fan. For details, see Replacing the system fan.
Remove the PCI Express card. For details, see Replacing the PCI Express card and PCI Express card
adapter.
Replace the heat sink.
Do not open your computer or attempt any repairs before reading the Important Product Information Guide.
12
34
7
Replacing FRUs49
Reinstall the computer cover and reconnect the cables. For details, see Completing the parts
replacement.
Replacing the microprocessor
1
2
3
4
5
Attention
Caution
Remove the computer cover. For details, see Removing the computer cover.
Remove the storage drive. For details, see Replacing the storage drive.
Remove the internal speaker. For details, see Replacing the internal speaker.
Remove the system fan. For details, see Replacing the system fan.
Remove the PCI Express card. For details, see Replacing the PCI Express card and PCI Express card
adapter.
Do not open your computer or attempt any repairs before reading the Important
Product Information Guide.
The heat sink and microprocessor might be very hot. Before you open the computer
cover, turn off the computer and wait several minutes until the computer is cool.
6
7
Remove the heat sink. For details, see Replacing the heat sink.
Replace the microprocessor.
Note
12
• Your microprocessor and socket might look different from the one illustrated.
• Touch only the edges of the microprocessor. Do not touch the gold contacts
on the bottom.
• Do not drop anything onto the microprocessor socket while it is exposed.
The socket pins must be kept as clean as possible.
Replacing FRUs50
34
56
8
Reinstall the removed parts and computer cover. For details, see Completing the parts replacement.
Replacing FRUs51
Replacing the coin-cell battery
Attention
Your computer has a special type of memory that maintains the date, time, and settings for built-
in features, such as parallel connector assignments (congurations). A coin-cell battery keeps this
information active when you turn off the computer.
The coin-cell battery normally requires no charging or maintenance throughout its life; however, no
coin-cell battery lasts forever. If the coin-cell battery fails, the date, time, and conguration information
(including passwords) are lost. An error message is displayed when you turn on the computer.
To replace the coin-cell battery,
1
2
3
Remove the computer cover. For details, see Removing the computer cover.
Remove the storage drive. For details, see Replacing the storage drive.
Remove the internal speaker. For details, see Replacing the internal speaker.
Do not open your computer or attempt any repairs before reading the Important Product Information Guide.
4
5
6
Remove the system fan. For details, see Replacing the system fan.
Remove the PCI Express card. For details, see Replacing the PCI Express card and PCI Express card
adapter.
Remove the heat sink. For details, see Replacing the heat sink.
Replacing FRUs52
7
Replace the coin-cell battery.
12
34
8
To dispose of the coin-cell battery, refer to the “Lithium coin-cell battery notice” topic in the Safety and
Warranty Guide.
Reinstall the removed parts and computer cover. For details, see Completing the parts replacement.
Replacing FRUs53
Replacing the antenna bracket
1
2
3
4
5
6
Attention
Remove the computer cover. For details, see Removing the computer cover.
Remove the storage drive. For details, see Replacing the storage drive.
Remove the internal speaker. For details, see Replacing the internal speaker.
Remove the system fan. For details, see Replacing the system fan.
Remove the PCI Express card. For details, see Replacing the PCI Express card and PCI Express card
adapter.
Remove the advanced speaker. For details, see Replacing the advanced speaker.
Do not open your computer or attempt any repairs before reading the Important Product Information Guide.
7
8
9
Remove the Front Wi-Fi antenna. For details, see Replacing the Wi-Fi antennas.
Replace the antenna bracket.
12
Reinstall the removed parts and computer cover. For details, see Completing the parts replacement.
Replacing FRUs54
Replacing the system board and chassis
1
2
3
4
5
6
Attention
Remove the computer cover. For details, see Removing the computer cover.
Remove the storage drive. For details, see Replacing the storage drive.
Remove the internal speaker. For details, see Replacing the internal speaker.
Remove the system fan. For details, see Replacing the system fan.
Remove the PCI Express card. For details, see Replacing the PCI Express card and PCI Express card
adapter.
Remove the heat sink. For details, see Replacing the heat sink.
Do not open your computer or attempt any repairs before reading the Important Product Information Guide.
7
8
9
10
11
12
13
14
Remove the Wi-Fi card. For details, see Replacing the Wi-Fi card.
Remove the Wi-Fi antennas. For details, see Replacing the Wi-Fi antennas.
Remove the microprocessor. For details, see Replacing the microprocessor.
Remove the bottom cover. For details, see Replacing the bottom cover.
Remove the memory module. For details, see Replacing the memory module.
Remove the M.2 storage drive. For details, see Replacing the M.2 storage drive.
Remove the antenna bracket. For details, see Replacing the antenna bracket.
Record the cable routing and cable connections, and then disconnect all cables from the system
board. See
System board.
Replacing FRUs55
15
Replace the system board and chassis.
Note
12
34
Carefully handle the system board by its edges.
16
17
Replacing FRUs56
Route all the cables that you disconnected from the failing system board, and then reconnect the
cables to the new system board. See
Reinstall the removed parts and computer cover. For details, see Completing the parts replacement.
System board.
Notices & Trademarks
Notices
Lenovo may not offer the products, services,
or features discussed in this document in
all countries. Consult your local Lenovo
representative for information on the products
and services currently available in your area. Any
reference to a Lenovo product, program, or service
is not intended to state or imply that only that
Lenovo product, program, or service may be used.
Any functionally equivalent product, program,
or service that does not infringe any Lenovo
intellectual property right may be used instead.
However, it is the user’s responsibility to evaluate
and verify the operation of any other product,
program, or service.
Lenovo may have patents or pending patent
applications covering subject matter described in
this document. The furnishing of this document
does not give you any license to these patents.
You can send license inquiries, in writing, to:
Lenovo (United States), Inc.
1009 Think Place - Building One
Morrisville, NC 27560
U.S.A.
Attention: Lenovo Director of Licensing
LENOVO PROVIDES THIS PUBLICATION AS IS
WITHOUT WARRANTY OF ANY KIND, EITHER
EXPRESS OR IMPLIED, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTABILITY OR FITNESS
FOR A PARTICULAR PURPOSE. Some jurisdictions
do not allow disclaimer of express or implied
warranties in certain transactions, therefore, this
statement may not apply to you.
This information could include technical
inaccuracies or typographical errors. Changes are
periodically made to the information herein; these
changes will be incorporated in new editions of
the publication. Lenovo may make improvements
and/or changes in the product(s) and/or the
program(s) described in this publication at any
time without notice.
The products described in this document are
not intended for use in implantation or other
life support applications where malfunction
may result in injury or death to persons. The
information contained in this document does not
affect or change Lenovo product specications or
warranties. Nothing in this document shall operate
as an express or implied license or indemnity
under the intellectual property rights of Lenovo
or third parties. All information contained in this
document was obtained in specic environments
and is presented as an illustration. The result
obtained in other operating environments may
vary.
Notices & Trademarks57
Lenovo may use or distribute any of the
information you supply in any way it believes
appropriate without incurring any obligation to
you.
Any references in this publication to non-Lenovo
Web sites are provided for convenience only and
do not in any manner serve as an endorsement
of those Web sites. The materials at those Web
sites are not part of the materials for this Lenovo
product, and use of those Web sites is at your own
risk.
Trademarks
The following terms are trademarks of Lenovo in
the United States, other countries, or both:
Lenovo
The Lenovo logo
DisplayPort is a trademark of the Video
Electronics Standards Association.
VESA is a Trademark of the Video Electronics
Standards Association.
Any performance data contained herein was
determined in a controlled environment.
Therefore, the result obtained in other operating
environments may vary signicantly. Some
measurements may have been made on
development-level systems and there is no
guarantee that these measurements will be
the same on generally available systems.
Furthermore, some measurements may have been
estimated through extrapolation. Actual results
may vary. Users of this document should verify the
applicable data for their specic environment.
Other company, product, or service names may be
trademarks or service marks of others.
Notices & Trademarks58
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