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.
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