Completing the parts replacement .........................27
2
Overview
Front view
Note
Your computer model might look slightly different from the illustration.
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.
Optical drive activity indicator (optional)
2
This indicator is on when the optical drive is in use.
Power button
3
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.
The LEDs will turn on when you try to log in to the computer
using the Microsoft® Windows® Hello face authentication
feature.
Note
In the Windows 10 operating system,
the Windows Hello face authentication
feature enables you to log in to the
computer using the face recognition.
For more details, go to:
https://www.microsoft.com
Overview3
Integrated microphones (2) (optional)
7
Used to record sounds or use speech-recognition software
without using a microphone.
Integrated camera shield control slider (optional)
8
Used to cover the integrated camera.
Screen
9
Depending on the computer model, your computer screen
might support the multi-touch feature. This feature enables
you to use one or two ngers to interact with the computer.
Note
• To single click, tap the touch screen
once with your nger.
• To double-click, tap the touch screen
twice without pausing.
• To right-click, tap and hold the
touch screen until a round circle is
displayed. Then, lift your nger off
the touch screen to display a context
menu. You can make your selection
from the menu.
• To make it easier to read or edit a
document, use two ngers to zoom
in, zoom out, scroll, or rotate on the
touch screen.
Overview4
Rear view
Note
Your computer model might look slightly different from the illustration.
10
11
12
13
USB 3.0 connectors (2)
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.
Card reader slot
Used to read data from a supported memory card.
Headset connector
Used to connect a headset or headphones to your
computer.
HDMI™-in connector
Used to receive video and audio signals from another audio
or video device, such as an additional computer.
14
15
16
17
18
19
USB 2.0 connectors (3)
Used to connect a device that requires a USB 2.0
connection.
HDMI-out connector
Used to send video and audio signals from your computer
to another audio or video device, such as a highperformance monitor.
Ethernet connector
Used to connect an Ethernet cable for network access.
Power adapter connector
Used to connect the power adapter to your computer for
power supply.
Internal speakers (2)
Used to listen to the sounds from your computer without
using a headset or headphones.
Security-lock slot
Used to secure a Kensington-style cable lock.
Overview5
System board
Note
See Front view or Rear view for additional component descriptions.
Graphics processor unit (GPU)
1
Microprocessor
2
Memory slot (DIMM2)
3
Memory slot (DIMM1)
4
Internal speaker connector
5
Integrated microphone connector
6
M.2 Wi-Fi card slot
7
M.2 storage drive slot (optional)
8
9
10
11
12
13
14
15
16
17
Integrated camera connector
LCD backlight connector
LCD panel connector
Coin-cell battery
SATA 3.0 connector (for connecting a
storage drive)
Optical drive connector
Touch screen connector
Power connector (for connecting a
storage drive)
Power connector (for connecting an
optical drive)
18
Overview6
Microprocessor fan connector
Adjusting the monitor stand
Note
The monitor stand is available only on some models.
Adjust the vertical position of the computer between 5° forward
and 24° back.
Adjust the angle of the computer between 45° to the left and 45°
to the right.
Adjusting the UltraFlex II Stand
Note
Overview7
The UltraFlex II Stand is available only on some models.
Adjust the vertical position of the computer between 5° forward
and 61° back.
After tilting your computer back, you can adjust the UltraFlex II
Stand downward by up to 57°.
Turn the computer at an angle of 45° to the left and 45° to the
right.
Adjust the height of the UltraFlex II Stand up to a length of 160
mm (6.3 inches).
Overview8
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 rear side of your computer as shown.
Overview9
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
• 90 watt automatic voltage-sensing power supply
• 120 watt automatic voltage-sensing power supply
Up to two storage drives
• HDMI-in connector
• HDMI-out connector
The integrated audio card supports the following:
• Headset connector
• Integrated microphone
• Internal speaker
The optional discrete audio card provides an enhanced audio experience
and extended capabilities.
• Audio connectors (headset connector and integrated microphone
connector)
Expansion
• Card reader slot
• Ethernet connector
• HDMI-in connector
• HDMI-out connector
• Headset connector
• USB connectors
• Memory slots
• Optical drive (optional)
• Storage drive bay
Specications11
Network features
• Ethernet LAN
• Wireless LAN (optional)
• Bluetooth (optional)
Physical dimensions
Weight (without the package)
• Width: 526 mm (20.7 inches)
• Height: 339 mm (13.3 inches)
• Depth: 47 mm (1.9 inches)
Maximum conguration as shipped: 7.5 kg (16.5 lb)
Specications12
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 Customer Replaceable Units (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 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 anti-static package containing the component 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 component.
• When possible, remove the new component from the anti-static package, and install it directly in the
computer without setting the part down. When this is not possible, place the anti-static package that the
component came in on a smooth, level surface and place the component on the package.
• Do not place the component on the computer cover or any other metal surface.
Replacing hardware13
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 hardware14
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.
Monitor stand base p. 23
1
Monitor stand p. 23
2
UltraFlex II Stand p. 24
3
Memory module shield p. 26
5
Memory module p. 26
14
Keyboard or wireless keyboard
20
p. 19
Mouse or wireless mouse p. 20
21
Power adapter p. 22
22
Power cord p. 22
23
Computer cover p. 25
43
Replacing hardware15
FRU
System board shield p. 37
4
VESA® mount bracket p. 32
6
Heat sink p. 41
7
System fan p. 42
8
Coin-cell battery p. 47
9
System board p. 59
10
Microprocessor p. 52
11
Wi-Fi card p. 44
12
Wi-Fi card shield p. 44
13
M.2 solid-state drive p. 43
15
LCD bezel p. 54
16
System board frame p. 59
17
LCD panel p. 54
18
I/O bracket p. 59
19
Front decorative cover p. 38
24
Wi-Fi antennas (2) p. 49
25
Integrated microphone cable
26
p. 51
Integrated microphone p. 51
27
Integrated camera cable p. 56
28
Replacing hardware16
Integrated camera p. 56
29
Internal speakers p. 46
30
Integrated camera shield control
31
slider p. 58
Power button board cable p. 36
32
Power button board p. 36
33
LCD cable p. 54
34
Storage drive p. 31
35
Storage drive bracket p. 31
36
Storage drive cable p. 39
37
Optical drive p. 33
38
Optical drive bezel p. 33
39
Optical drive bracket p. 33
40
Optical drive cable p. 40
41
Middle frame p. 35
42
Replacing hardware17
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.
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.
Mouse or wireless
Power adapter
mouse
UltraFlex II StandMonitor stand
Computer cover
Memory module
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.
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
5
Note
6
• 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.
12
Do not open your computer or attempt any repairs before reading the Important
Product Information Guide.
34
Replacing CRUs22
Replacing the monitor stand
1
2
3
4
Note
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.
Place a soft, clean towel or cloth on the desk or surface. Hold the sides of your computer and gently
lay it down so that the screen is against the surface and the computer cover is facing up.
Replace the monitor stand.
12
The monitor stand is available only on some models.
34
5
Replacing CRUs23
Replacing the UltraFlex II Stand
1
2
3
4
Note
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.
Place a soft, clean towel or cloth on the desk or surface. Hold the sides of your computer and gently
lay it down so that the screen is against the surface and the computer cover is facing up.
Replace the UltraFlex II Stand.
12
The UltraFlex II Stand is available only on some models.
Replacing CRUs24
Removing the computer cover
1
2
3
4
Attention
Caution
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 stand. For details, see Replacing the monitor stand or Replacing the UltraFlex II
Stand.
Unlock any locking device that secures the computer cover.
Do not open your computer or attempt any repairs before reading the Important Product Information Guide.
Before you open the computer cover, turn off the computer and wait several minutes
until the computer is cool.
5
Remove the computer cover.
Replacing CRUs25
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.
1
2
3
Remove the computer stand. For details, see Replacing the monitor stand or Replacing the UltraFlex II
Stand.
Remove the computer cover. For details, see Removing the computer cover.
Replace the memory module.
12
Do not open your computer or attempt any repairs before reading the Important
Product Information Guide.
34
4
Replacing CRUs26
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.
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.
4
5
6
7
Replacing CRUs27
Install the computer stand. For details, see Replacing the monitor stand or Replacing the UltraFlex II
Stand.
Place the computer in an upright position.
If a locking device is available, use it to lock the computer.
Reconnect the external cables and power cords to the corresponding connectors on the computer.
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 on 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
Attention
Before replacing an FRU, click the illustration of the part to check the brief procedures.
Do not open your computer or attempt any repairs before reading the Important Product Information Guide.
CRUs and FRUs locations.
Storage driveVESA mount bracketOptical drive
Replacing FRUs28
Middle frame
Power button board
System board shield
Front decorative cover
Heat sink
Storage drive cable
System fan
Optical drive cable
M.2 solid-state drive
Wi-Fi card
Replacing FRUs29
Internal speakers
Coin-cell battery
Wi-Fi antennas
Integrated microphone
Microprocessor
LCD panel
System board
Integrated camera
I/O bracket
Integrated camera
shield control slider
Note
Replacing FRUs30
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 the 2.5-inch storage drive
1
2
3
Attention
Remove the computer stand. For details, see Replacing the monitor stand or Replacing the UltraFlex II
Stand.
Remove the computer cover. For details, see Removing the computer cover.
Replace the 2.5-inch storage drive.
12
Do not open your computer or attempt any repairs before reading the Important
Product Information Guide.
4
34
Reinstall the computer cover and reconnect the cables. For details, see Completing the parts
replacement.
Replacing FRUs31
Replacing the VESA mount bracket
1
2
3
Attention
Remove the computer stand. For details, see Replacing the monitor stand or Replacing the UltraFlex II
Stand.
Remove the computer cover. For details, see Removing the computer cover.
Replace the VESA mount bracket.
12
Do not open your computer or attempt any repairs before reading the Important
Product Information Guide.
4
Replacing FRUs32
Reinstall the removed parts and computer cover. For details, see Completing the parts replacement.
Replacing the optical drive
1
2
3
Attention
Remove the computer stand. For details, see Replacing the monitor stand or Replacing the UltraFlex II
Stand.
Remove the computer cover. For details, see Removing the computer cover.
Replace the optical drive.
12
Do not open your computer or attempt any repairs before reading the Important
Product Information Guide.
3
5
4
6
Replacing FRUs33
78
4
9
Reinstall the removed parts and computer cover. For details, see Completing the parts replacement.
10
Replacing FRUs34
Replacing the middle frame
1
2
3
4
Attention
Remove the computer stand. For details, see Replacing the monitor stand or Replacing the UltraFlex II
Stand.
Remove the computer cover. For details, see Removing the computer cover.
Remove the optical drive. For details, see Replacing the optical drive.
Replace the middle frame.
12
Do not open your computer or attempt any repairs before reading the Important
Product Information Guide.
5
Replacing FRUs35
Reinstall the removed parts and computer cover. For details, see Completing the parts replacement.
Replacing the power button board
1
2
3
4
5
6
Attention
Remove the computer stand. For details, see Replacing the monitor stand or Replacing the UltraFlex II
Stand.
Remove the computer cover. For details, see Removing the computer cover.
Remove the optical drive. For details, see Replacing the optical drive.
Remove the middle frame. For details, see Replacing the middle frame.
Disconnect the power button board cable.
Replace the power button board.
Do not open your computer or attempt any repairs before reading the Important Product Information Guide.
7
8
12
Connect the power button board cable to the new power button board.
Reinstall the removed parts and computer cover. For details, see Completing the parts replacement.
Replacing FRUs36
Replacing the system board shield
1
2
3
4
5
6
Attention
Remove the computer stand. For details, see Replacing the monitor stand or Replacing the UltraFlex II
Stand.
Remove the computer cover. For details, see Removing the computer cover.
Remove the optical drive. For details, see Replacing the optical drive.
Remove the VESA mount bracket. For details, see Replacing the VESA mount bracket.
Remove the middle frame. For details, see Replacing the middle frame.
Replace the system board shield.
Do not open your computer or attempt any repairs before reading the Important Product Information Guide.
7
12
Reinstall the removed parts and computer cover. For details, see Completing the parts replacement.
Replacing FRUs37
Replacing the front decorative cover
1
2
3
4
5
Attention
Remove the computer stand. For details, see Replacing the monitor stand or Replacing the UltraFlex II
Stand.
Remove the computer cover. For details, see Removing the computer cover.
Remove the optical drive. For details, see Replacing the optical drive.
Remove the middle frame. For details, see Replacing the middle frame.
Replace the front decorative cover.
12
Do not open your computer or attempt any repairs before reading the Important
Product Information Guide.
3
6
Replacing FRUs38
Reinstall the removed parts and computer cover. For details, see Completing the parts replacement.
4
Replacing the 2.5-inch storage drive cable
1
2
3
4
5
6
Attention
Remove the computer stand. For details, see Replacing the monitor stand or Replacing the UltraFlex II
Stand.
Remove the computer cover. For details, see Removing the computer cover.
Remove the VESA mount bracket. For details, see Replacing the VESA mount bracket.
Remove the middle frame. For details, see Replacing the middle frame.
Remove the system board shield. For details, see Replacing the system board shield.
Disconnect the power cable and the signal cable from the system board. For details, see System
board.
Do not open your computer or attempt any repairs before reading the Important
Product Information Guide.
7
8
9
Replace the 2.5-inch storage drive cable.
12
Connect the power cable and the signal cable to the system board. For details, see System board.
Reinstall the removed parts and computer cover. For details, see Completing the parts replacement.
Replacing FRUs39
Replacing the optical drive cable
1
2
3
4
5
6
Attention
Remove the computer stand. For details, see Replacing the monitor stand or Replacing the UltraFlex II
Stand.
Remove the computer cover. For details, see Removing the computer cover.
Remove the VESA mount bracket. For details, see Replacing the VESA mount bracket.
Remove the middle frame. For details, see Replacing the middle frame.
Remove the system board shield. For details, see Replacing the system board shield.
Disconnect the power cable and the signal cable from the system board. For details, see System
board.
Do not open your computer or attempt any repairs before reading the Important
Product Information Guide.
7
8
9
Replace the optical drive cable.
12
Connect the power cable and the signal cable to the system board. For details, see System board.
Reinstall the removed parts and computer cover. For details, see Completing the parts replacement.
Replacing FRUs40
Replacing the heat sink
1
2
3
4
5
6
Attention
Remove the computer stand. For details, see Replacing the monitor stand or Replacing the UltraFlex II
Stand.
Remove the computer cover. For details, see Removing the computer cover.
Remove the optical drive. For details, see Replacing the optical drive.
Remove the VESA mount bracket. For details, see Replacing the VESA mount bracket.
Remove the middle frame. For details, see Replacing the middle frame.
Remove the system board shield. For details, see Replacing the system board shield.
Do not open your computer or attempt any repairs before reading the Important Product Information Guide.
7
8
Replace the heat sink.
12
Reinstall the removed parts and computer cover. For details, see Completing the parts replacement.
Replacing FRUs41
Replacing the system fan
1
2
3
4
5
6
Attention
Remove the computer stand. For details, see Replacing the monitor stand or Replacing the UltraFlex II
Stand.
Remove the computer cover. For details, see Removing the computer cover.
Remove the optical drive. For details, see Replacing the optical drive.
Remove the VESA mount bracket. For details, see Replacing the VESA mount bracket.
Remove the middle frame. For details, see Replacing the middle frame.
Remove the system board shield. For details, see Replacing the system board shield.
Do not open your computer or attempt any repairs before reading the Important Product Information Guide.
7
8
9
10
Disconnect the microprocessor fan cable from the system board. For details, see System board.
Replace the system fan.
12
Connect the microprocessor fan cable to the system board. For details, see System board.
Reinstall the removed parts and computer cover. For details, see Completing the parts replacement.
Replacing FRUs42
Replacing the M.2 storage drive
1
2
3
4
5
6
Attention
Remove the computer stand. For details, see Replacing the monitor stand or Replacing the UltraFlex II
Stand.
Remove the computer cover. For details, see Removing the computer cover.
Remove the optical drive. For details, see Replacing the optical drive.
Remove the VESA mount bracket. For details, see Replacing the VESA mount bracket.
Remove the middle frame. For details, see Replacing the middle frame.
Remove the system board shield. For details, see Replacing the system board shield.
Do not open your computer or attempt any repairs before reading the Important Product Information Guide.
7
Replace the M.2 storage drive.
12
34
8
Replacing FRUs43
Reinstall the removed parts and computer cover. For details, see Completing the parts replacement.
Replacing the Wi-Fi card
1
2
3
4
5
6
Attention
Remove the computer stand. For details, see Replacing the monitor stand or Replacing the UltraFlex II
Stand.
Remove the computer cover. For details, see Removing the computer cover.
Remove the optical drive. For details, see Replacing the optical drive.
Remove the VESA mount bracket. For details, see Replacing the VESA mount bracket.
Remove the middle frame. For details, see Replacing the middle frame.
Remove the system board shield. For details, see Replacing the system board shield.
Do not open your computer or attempt any repairs before reading the Important Product Information Guide.
7
Replace the Wi-Fi card.
12
34
Replacing FRUs44
5
6
8
Reinstall the removed parts and computer cover. For details, see Completing the parts replacement.
Replacing FRUs45
Replacing the internal speakers
1
2
3
4
5
6
Attention
Remove the computer stand. For details, see Replacing the monitor stand or Replacing the UltraFlex II
Stand.
Remove the computer cover. For details, see Removing the computer cover.
Remove the optical drive. For details, see Replacing the optical drive.
Remove the VESA mount bracket. For details, see Replacing the VESA mount bracket.
Remove the middle frame. For details, see Replacing the middle frame.
Remove the system board shield. For details, see Replacing the system board shield.
Do not open your computer or attempt any repairs before reading the Important Product Information Guide.
7
8
9
10
Disconnect the internal speaker cable from the system board. For details, see System board.
Replace the internal speakers.
12
Connect the internal speaker cable to the system board. For details, see System board.
Reinstall the removed parts and computer cover. For details, see Completing the parts replacement.
Replacing FRUs46
Replacing the coin-cell battery
Attention
Your computer has a special type of memory that maintains the date, time, and settings for builtin 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
Remove the computer stand. For details, see Replacing the monitor stand or Replacing the UltraFlex II
Stand.
Remove the computer cover. For details, see Removing the computer cover.
Do not open your computer or attempt any repairs before reading the Important Product Information Guide.
3
4
5
6
7
Remove the optical drive. For details, see Replacing the optical drive.
Remove the VESA mount bracket. For details, see Replacing the VESA mount bracket.
Remove the middle frame. For details, see Replacing the middle frame.
Remove the system board shield. For details, see Replacing the system board shield.
Replace the coin-cell battery.
12
Replacing FRUs47
34
8
To dispose of the coin-cell battery, refer to the “Lithium coin-cell battery notice” in the Safety and Warranty
Guide.
Reinstall the removed parts and computer cover. For details, see Completing the parts replacement.
Replacing FRUs48
Replacing the Wi-Fi antennas
1
2
3
4
5
6
Attention
Remove the computer stand. For details, see Replacing the monitor stand or Replacing the UltraFlex II
Stand.
Remove the computer cover. For details, see Removing the computer cover.
Remove the optical drive. For details, see Replacing the optical drive.
Remove the VESA mount bracket. For details, see Replacing the VESA mount bracket.
Remove the middle frame. For details, see Replacing the middle frame.
Remove the system board shield. For details, see Replacing the system board shield.
Do not open your computer or attempt any repairs before reading the Important Product Information Guide.
7
8
Replace the internal speakers. For details, see Replacing the internal speakers.
Replace the Wi-Fi antennas.
12
Replacing FRUs49
34
9
5
Reinstall the removed parts and computer cover. For details, see Completing the parts replacement.
6
Replacing FRUs50
Replacing the integrated microphone
1
2
3
4
5
6
Attention
Remove the computer stand. For details, see Replacing the monitor stand or Replacing the UltraFlex II
Stand.
Remove the computer cover. For details, see Removing the computer cover.
Remove the optical drive. For details, see Replacing the optical drive.
Remove the VESA mount bracket. For details, see Replacing the VESA mount bracket.
Remove the middle frame. For details, see Replacing the middle frame.
Remove the system board shield. For details, see Replacing the system board shield.
Do not open your computer or attempt any repairs before reading the Important Product Information Guide.
7
8
9
10
Replace the internal speakers. For details, see Replacing the internal speakers.
Disconnect the integrated microphone cable from the microphone.
Replace the integrated microphone.
12
Connect the integrated microphone cable to the new microphone.
11
Replacing FRUs51
Reinstall the removed parts and computer cover. For details, see Completing the parts replacement.
Replacing the microprocessor
1
2
3
4
5
6
Attention
Remove the computer stand. For details, see Replacing the monitor stand or Replacing the UltraFlex II
Stand.
Remove the computer cover. For details, see Removing the computer cover.
Remove the optical drive. For details, see Replacing the optical drive.
Remove the VESA mount bracket. For details, see Replacing the VESA mount bracket.
Remove the middle frame. For details, see Replacing the middle frame.
Remove the system board shield. For details, see Replacing the system board shield.
Do not open your computer or attempt any repairs before reading the Important Product Information Guide.
7
8
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 FRUs52
34
9
5
Reinstall the removed parts and computer cover. For details, see Completing the parts replacement.
6
Replacing FRUs53
Replacing the LCD panel
1
2
3
4
5
6
Attention
Remove the computer stand. For details, see Replacing the monitor stand or Replacing the UltraFlex II
Stand.
Remove the computer cover. For details, see Removing the computer cover.
Remove the optical drive. For details, see Replacing the optical drive.
Remove the VESA mount bracket. For details, see Replacing the VESA mount bracket.
Remove the middle frame. For details, see Replacing the middle frame.
Remove the system board shield. For details, see Replacing the system board shield.
Do not open your computer or attempt any repairs before reading the Important Product Information Guide.
7
8
9
10
Remove the front decorative cover. For details, see Replacing the front decorative cover.
Remove the heat sink. For details, see Replacing the heat sink.
Disconnect the LCD cable from the LCD panel.
Replace the LCD panel.
12
Replacing FRUs54
34
11
12
Connect the LCD cable to the new LCD panel.
Reinstall the removed parts and computer cover. For details, see Completing the parts replacement.
Replacing FRUs55
Replacing the integrated camera
1
2
3
4
5
6
Attention
Remove the computer stand. For details, see Replacing the monitor stand or Replacing the UltraFlex II
Stand.
Remove the computer cover. For details, see Removing the computer cover.
Remove the optical drive. For details, see Replacing the optical drive.
Remove the VESA mount bracket. For details, see Replacing the VESA mount bracket.
Remove the middle frame. For details, see Replacing the middle frame.
Remove the system board shield. For details, see Replacing the system board shield.
Do not open your computer or attempt any repairs before reading the Important Product Information Guide.
7
8
9
Replace the internal speakers. For details, see Replacing the internal speakers.
Disconnect the integrated camera cable from the camera.
Depending on your computer model, refer to one of the following to replace the integrated camera.
• Type 1
12
Replacing FRUs56
• Type 2
12
10
11
Connect the integrated camera cable to the new camera.
Reinstall the removed parts and computer cover. For details, see Completing the parts replacement.
Replacing FRUs57
Replacing the integrated camera shield control slider
1
2
3
4
5
Note
Attention
Remove the computer stand. For details, see Replacing the monitor stand or Replacing the UltraFlex II
Stand.
Remove the computer cover. For details, see Removing the computer cover.
Remove the VESA mount bracket. For details, see Replacing the VESA mount bracket.
Remove the middle frame. For details, see Replacing the middle frame.
Remove the system board shield. For details, see Replacing the system board shield.
The integrated camera shield control slider 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
9
Replace the internal speakers. For details, see Replacing the internal speakers.
Replace the integrated camera. For details, see Replacing the integrated camera.
Replace the integrated camera shield control slider.
12
Reinstall the removed parts and computer cover. For details, see Completing the parts replacement.
Replacing FRUs58
Replacing the system board and I/O bracket
1
2
3
4
5
6
Attention
Remove the computer stand. For details, see Replacing the monitor stand or Replacing the UltraFlex II
Stand.
Remove the computer cover. For details, see Removing the computer cover.
Remove the optical drive. For details, see Replacing the optical drive.
Remove the memory module. For details, see Replacing the memory module.
Remove the VESA mount bracket. For details, see Replacing the VESA mount bracket.
Remove the middle frame. For details, see Replacing the middle frame.
Do not open your computer or attempt any repairs before reading the Important Product Information Guide.
7
8
9
10
11
12
13
Remove the system board shield. For details, see Replacing the system board shield.
Remove the heat sink. For details, see Replacing the heat sink.
Remove the M.2 storage drive. For details, see Replacing the M.2 storage drive.
Remove the Wi-Fi card. For details, see Replacing the Wi-Fi card.
Remove the microprocessor. For details, see Replacing the microprocessor.
Make a record of the cable routing and cable connections, and then disconnect all cables from the
system board. For details, see
Replace the system board and I/O bracket.
Note
Carefully handle the system board by its edges.
System board.
Replacing FRUs59
12
34
14
15
5
Route all the cables that you disconnected from the failing system board, and then reconnect the
cables to the new system board. For details, see
ReinsReinstall the removed parts and computer cover. For details, see Completing the parts
replacement.
6
System board.
Replacing FRUs60
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 & Trademarks61
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
Microsoft and Windows are trademarks of the
Microsoft group of companies.
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.
The terms HDMI and HDMI High-Denition
Multimedia Interface are trademarks or registered
trademarks of HDMI Licensing LLC in the United
States and other countries.
Other company, product, or service names may be
trademarks or service marks of others.
Notices & Trademarks62
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