Table of Contents
- About this manual
- Chapter 1. Safety information
- Chapter 2. General checkout
- Chapter 3. Identifying FRUs (CRUs)
- Chapter 4. Removing a FRU or CRU
- Service tools
- General guidelines
- Removal procedure for Yoga 7 14ITL5
- Remove the lower case
- Remove the battery pack
- Remove the solid-state drive (SSD) module
- Remove the Wi-Fi card
- Remove the thermal module
- Remove the CMOS battery
- Remove the I/O board module
- Remove the power board module
- Remove the speakers
- Remove the fingerprint board cable
- Remove the touchpad board cable
- Remove the system board
- Remove the LCD unit
- Remove the upper case (with keyboard, touchpad and fingerprint board)
- Disassemble the LCD unit
- Removal procedure for Yoga 7 15ITL5
- Remove the lower case
- Remove the battery pack
- Remove the solid-state drive (SSD) module
- Remove the Wi-Fi card
- Remove the thermal module
- Remove the CMOS battery
- Remove the I/O board module
- Remove the power board module
- Remove the speakers
- Remove the fingerprint board cable
- Remove the touchpad board cable
- Remove the system board
- Remove the LCD unit
- Remove the upper case (with keyboard, touchpad and fingerprint board)
- Disassemble the LCD unit
- Appendix A. Label locations
- Trademarks
Lenovo 7 User Manual
Displayed below is the user manual for 7 by Lenovo which is a product in the Notebooks category. This manual has pages.
Related Manuals
Hardware Maintenance Manual
Yoga 7i (14″, 5) and Yoga 7i (15″, 5)
First Edition (September 2020)
© Copyright Lenovo 2020.
Contents
About this manual . . . . . . . . . . . . iii
Chapter 1. Safety information . . . . . . 1
General safety . . . . . . . . . . . . . . . . 1
Electrical safety . . . . . . . . . . . . . . . . 1
Safety inspection guide . . . . . . . . . . . . . 2
Handling devices that are sensitive to electrostatic
discharge . . . . . . . . . . . . . . . . . . 3
Grounding requirements . . . . . . . . . . . . 4
Safety notices (multilingual translations) . . . . . . 4
Chapter 2. General checkout . . . . . 21
What to do first . . . . . . . . . . . . . . . 21
CRU list . . . . . . . . . . . . . . . . . . 22
Chapter 3. Identifying FRUs
(CRUs) . . . . . . . . . . . . . . . . . 23
Locate FRUs and CRUs . . . . . . . . . . . 23
Chapter 4. Removing a FRU or
CRU . . . . . . . . . . . . . . . . . . 33
Service tools . . . . . . . . . . . . . . . . 33
General guidelines . . . . . . . . . . . . . . 33
Removal procedure for Yoga 7 14ITL5 . . . . . . 34
Remove the lower case . . . . . . . . . . 34
Remove the battery pack . . . . . . . . . 35
Remove the solid-state drive (SSD) module . . 36
Remove the Wi-Fi card . . . . . . . . . . 37
Remove the thermal module . . . . . . . . 38
Remove the CMOS battery . . . . . . . . 39
Remove the I/O board module . . . . . . . 40
Remove the power board module . . . . . . 41
Remove the speakers. . . . . . . . . . . 42
Remove the fingerprint board cable . . . . . 42
Remove the touchpad board cable . . . . . 43
Remove the system board . . . . . . . . . 44
Remove the LCD unit . . . . . . . . . . . 45
Remove the upper case (with keyboard,
touchpad and fingerprint board). . . . . . . 46
Disassemble the LCD unit . . . . . . . . . 46
Removal procedure for Yoga 7 15ITL5 . . . . . . 53
Remove the lower case . . . . . . . . . . 53
Remove the battery pack . . . . . . . . . 54
Remove the solid-state drive (SSD) module . . 54
Remove the Wi-Fi card . . . . . . . . . . 56
Remove the thermal module . . . . . . . . 56
Remove the CMOS battery . . . . . . . . 57
Remove the I/O board module . . . . . . . 58
Remove the power board module . . . . . . 59
Remove the speakers. . . . . . . . . . . 60
Remove the fingerprint board cable . . . . . 61
Remove the touchpad board cable . . . . . 62
Remove the system board . . . . . . . . . 62
Remove the LCD unit . . . . . . . . . . . 64
Remove the upper case (with keyboard,
touchpad and fingerprint board). . . . . . . 65
Disassemble the LCD unit . . . . . . . . . 65
Appendix A. Label locations. . . . . . 73
Trademarks . . . . . . . . . . . . . . . . lxxv
© Copyright Lenovo 2020 i
ii Hardware Maintenance Manual
About this manual
This manual contains service and reference information for the following Lenovo products.
Machine Machine type (MT)
Yoga 7 14ITL5 82BH
Yoga 7 15ITL5 82BJ
Important:
• This manual is intended only for trained service technicians who are familiar with Lenovo products.
• Before servicing a Lenovo product, be sure to read all the information under Chapter 1 “Safety
information” on page 1.
© Copyright Lenovo 2020 iii
iv Hardware Maintenance Manual
Chapter 1. Safety information
This chapter presents the following safety information that you need to be familiar with before you service a
Lenovo notebook computer.
General safety
Follow these rules to ensure general safety:
• Observe good housekeeping in the area of the machines during and after maintenance.
• When lifting any heavy object:
1. Make sure that you can stand safely without slipping.
2. Distribute the weight of the object equally between your feet.
3. Use a slow lifting force. Never move suddenly or twist when you attempt to lift.
4. Lift by standing or by pushing up with your leg muscles; this action removes the strain from the
muscles in your back. Do not attempt to lift any object that weighs more than 16 kg (35 lb) or that you
think is too heavy for you.
• Do not perform any action that causes hazards to the customer, or that makes the equipment unsafe.
• Before you start the machine, make sure that other service technicians and the customer's personnel are
not in a hazardous position.
• Place removed covers and other parts in a safe place, away from all personnel, while you are servicing the
machine.
• Keep your tool case away from walk areas so that other people will not trip over it.
• Do not wear loose clothing that can be trapped in the moving parts of a machine. Make sure that your
sleeves are fastened or rolled up above your elbows. If your hair is long, fasten it.
• Insert the ends of your necktie or scarf inside clothing or fasten it with a non-conductive clip, about 8
centimeters (3 inches) from the end.
• Do not wear jewelry, chains, metal-frame eyeglasses, or metal fasteners for your clothing.
Attention: Metal objects are good electrical conductors.
• Wear safety glasses when you are hammering, drilling, soldering, cutting wire, attaching springs, using
solvents, or working in any other conditions that might be hazardous to your eyes.
• After service, reinstall all safety shields, guards, labels, and ground wires. Replace any safety device that
is worn or defective.
• Reinstall all covers correctly before returning the machine to the customer.
• Fan louvers on the machine help to prevent overheating of internal components. Do not obstruct fan
louvers or cover them with labels or stickers.
Electrical safety
Observe the following rules when working on electrical equipment.
Important: Use only approved tools and test equipment. Some hand tools have handles covered with a soft
material that does not insulate you when working with live electrical currents.Many customers have, near
their equipment, rubber floor mats that contain small conductive fibers to decrease electrostatic discharges.
Do not use this type of mat to protect yourself from electrical shock.
• Find the room emergency power-off (EPO) switch, disconnecting switch, or electrical outlet. If an electrical
accident occurs, you can then operate the switch or unplug the power cord quickly.
• Do not work alone under hazardous conditions or near equipment that has hazardous voltages.
• Disconnect all power before:
– Performing a mechanical inspection
– Working near power supplies
© Copyright Lenovo 2020 1
– Removing or installing main units
• Before you start to work on the machine, unplug the power cord. If you cannot unplug it, ask the customer
to power-off the wall box that supplies power to the machine, and to lock the wall box in the off position.
• If you need to work on a machine that has exposed electrical circuits, observe the following precautions:
– Ensure that another person, familiar with the power-off controls, is near you.
Attention: Another person must be there to switch off the power, if necessary.
– Use only one hand when working with powered-on electrical equipment; keep the other hand in your
pocket or behind your back.
Attention: An electrical shock can occur only when there is a complete circuit. By observing the above
rule, you may prevent a current from passing through your body.
– When using testers, set the controls correctly and use the approved probe leads and accessories for
that tester.
– Stand on suitable rubber mats (obtained locally, if necessary) to insulate you from grounds such as
metal floor strips and machine frames.
Observe the special safety precautions when you work with very high voltages; Instructions for these
precautions are in the safety sections of maintenance information. Use extreme care when measuring high
voltages.
• Regularly inspect and maintain your electrical hand tools for safe operational condition.
• Do not use worn or broken tools and testers.
• Never assume that power has been disconnected from a circuit. First, check that it has been powered off.
• Always look carefully for possible hazards in your work area. Examples of these hazards are moist floors,
non-grounded power extension cables, power surges, and missing safety grounds.
• Do not touch live electrical circuits with the reflective surface of a plastic dental mirror. The surface is
conductive; such touching can cause personal injury and machine damage.
• Do not service the following parts with the power on when they are removed from their normal operating
places in a machine:
– Power supply units
– Pumps
– Blowers and fans
– Motor generators
– Similar units as listed above
This practice ensures correct grounding of the units.
• If an electrical accident occurs:
– Use caution; do not become a victim yourself.
– Switch off power.
– Send another person to get medical aid.
Safety inspection guide
The purpose of this inspection guide is to assist you in identifying potentially unsafe conditions. As each
machine was designed and built, required safety items were installed to protect users and service
technicians from injury. This guide addresses only those items. You should use good judgment to identify
potential safety hazards due to attachment of non-Lenovo features or options not covered by this inspection
guide.
If any unsafe conditions are present, you must determine how serious the apparent hazard could be and
whether you can continue without first correcting the problem.
Consider these conditions and the safety hazards they present:
• Electrical hazards, especially primary power (primary voltage on the frame can cause serious or fatal
electrical shock)
• Explosive hazards, such as a damaged cathode ray tube (CRT) face or a bulging capacitor
• Mechanical hazards, such as loose or missing hardware
2Hardware Maintenance Manual
To determine whether there are any potentially unsafe conditions, use the following checklist at the
beginning of every service task. Begin the checks with the power off, and the power cord disconnected.
Checklist:
1. Check exterior covers for damage (loose, broken, or sharp edges).
2. Power off the computer. Disconnect the power cord.
3. Check the power cord for:
a. A third-wire ground connector in good condition. Use a meter to measure third-wire ground
continuity for 0.1 ohm or less between the external ground pin and the frame ground.
b. The power cord should be the authorized type specified for your computer. Go to: http://
www.lenovo.com/serviceparts-lookup
c. Insulation must not be frayed or worn.
4. Check for cracked or bulging batteries.
5. Remove the cover.
6. Check for any obvious non-Lenovo alterations. Use good judgment as to the safety of any non-Lenovo
alterations.
7. Check inside the unit for any obvious unsafe conditions, such as metal filings, contamination, water or
other liquids, or signs of fire or smoke damage.
8. Check for worn, frayed, or pinched cables.
9. Check that the power-supply cover fasteners (screws or rivets) have not been removed or tampered
with.
Handling devices that are sensitive to electrostatic discharge
Any computer part containing transistors or integrated circuits (ICs) should be considered sensitive to
electrostatic discharge (ESD). ESD damage can occur when there is a difference in charge between objects.
Protect against ESD damage by equalizing the charge so that the machine, the part, the work mat, and the
person handling the part are all at the same charge.
Notes:
1. Use product-specific ESD procedures when they exceed the requirements noted here.
2. Make sure that the ESD protective devices you use have been certified (ISO 9000) as fully effective.
When handling ESD-sensitive parts:
• Keep the parts in protective packages until they are inserted into the product.
• Avoid contact with other people.
• Wear a grounded wrist strap against your skin to eliminate static on your body.
• Prevent the part from touching your clothing. Most clothing is insulative and retains a charge even when
you are wearing a wrist strap.
• Use a grounded work mat to provide a static-free work surface. The mat is especially useful when
handling ESD-sensitive devices.
• Select a grounding system, such as those listed below, to provide protection that meets the specific
service requirement.
Note: The use of a grounding system to guard against ESD damage is desirable but not necessary.
– Attach the ESD ground clip to any frame ground, ground braid, or green-wire ground.
– When working on a double-insulated or battery-operated system, use an ESD common ground or
reference point. You can use coax or connector-outside shells on these systems.
– Use the round ground prong of the ac plug on ac-operated computers.
Chapter 1.Safety information 3
Grounding requirements
Electrical grounding of the computer is required for operator safety and correct system function. Proper
grounding of the electrical outlet can be verified by a certified electrician.
Safety notices (multilingual translations)
The safety notices in this section are provided in the following languages:
• English
• Arabic
• Brazilian Portuguese
• French
• German
• Hebrew
• Japanese
• Korean
• Spanish
• Traditional Chinese
DANGER
DANGER
DANGER
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PERIGO
PERIGO
PERIGO
PERIGO
PERIGO
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DANGER
DANGER
DANGER
DANGER
VORSICHT
10 Hardware Maintenance Manual
VORSICHT
VORSICHT
VORSICHT
12 Hardware Maintenance Manual
14 Hardware Maintenance Manual
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20 Hardware Maintenance Manual
Chapter 2. General checkout
This chapter contains the following topics:
Before you go to the checkout instructions, ensure that you read the following important notes.
Important notes:
• Only certified trained personnel should service the computer.
• Before replacing any FRU, read the entire page on removing and replacing FRUs.
• Be extremely careful during such write operations as copying, saving, or formatting. Drives in the computer
that you are servicing sequence 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, make sure that the
model of the machine and the FRU part number are correct by referring to the FRU parts list.
• 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.
• Be careful not to replace a nondefective FRU.
What to do first
When you return an FRU, you must include the following information in the parts exchange form or parts
return form that you attach to it:
1. Name and phone number of service technician
2. Date of service
3. Date on which the machine failed
4. Date of purchase
5. Failure symptoms, error codes appearing on the display, and beep symptoms
6. Procedure index and page number in which the failing FRU was detected
7. Failing FRU name and part number
8. Machine type, model number, and serial number
9. Customer's name and address
Note: During the warranty period, the customer may be responsible for repair costs if the computer damage
was caused by misuse, accident, modification, unsuitable physical or operating environment, or improper
maintenance by the customer. Following is a list of some common items that are not covered under warranty
and some symptoms that might indicate that the system was subjected to stress beyond normal use.
Before checking problems with the computer, determine whether the damage is covered under the warranty
by referring to the following list:
The following are not covered under warranty:
• LCD panel cracked from the application of excessive force or from being dropped
• Scratched (cosmetic) parts
• Distortion, deformation, or discoloration of the cosmetic parts
• Plastic parts, latches, pins, or connectors that have been cracked or broken by excessive force
• Damage caused by liquid spilled into the system
© Copyright Lenovo 2020 21
• Damage caused by the improper insertion of a personal-computer card (PC card) or the installation of an
incompatible card
• Improper disc insertion or use of an external optical drive
• Fuses blown by attachment of a non-supported device
• Forgotten computer password (making the computer unusable)
• Sticky keys caused by spilling a liquid onto the keyboard
• Use of an incorrect ac power adapter on laptop products
The following symptoms might indicate damage caused by non-warranted activities:
• Missing parts might be a symptom of unauthorized service or modification.
• Check for obvious damage to a hard disk drive. If the spindle of a hard disk drive becomes noisy, the hard
disk drive might have been dropped or subject to excessive force.
CRU list
Table 1. Model: Yoga 7 14ITL5 (MT: 82BH)
CRU Type
ac power adapter self-service
Power cord self-service
Lenovo Digital Pen * self-service
Table 2. Model: Yoga 7 15ITL5 (MT: 82BJ)
CRU Type
ac power adapter self-service
Power cord self-service
Lenovo Digital Pen * self-service
* for selected models
22 Hardware Maintenance Manual
Chapter 3. Identifying FRUs (CRUs)
Locate FRUs and CRUs
The exploded illustrations help Lenovo service technicians identify FRUs or CRUs that they may need to
replace when servicing a customer’s computer.
© Copyright Lenovo 2020 23
Figure 1. Yoga 7 14ITL5 exploded view
Table 3. FRU (CRU) categories
No. FRU (CRU) category
1Upper case (with keyboard)
24 Hardware Maintenance Manual
Table 3. FRU (CRU) categories (continued)
2Thermal module
3System board
4Speakers
5Battery pack
6Lower case
7I/O board cable
8I/O board
9CMOS battery
10 Power board cable
11 Power board
12 Wi-Fi card
13 Solid-state drive (SSD)
14 Solid-state drive (SSD) mylar
15 Solid-state drive (SSD) bracket
Note: The SSD bracket is used to lock the screw for the 2242 SSD.
16 Fingerprint board cable
17 Touchpad board cable
aPower cord
bac power adapter
cScrew kit
Chapter 3.Identifying FRUs (CRUs) 25
Figure 2. Yoga 7 14ITL5 LCD unit - exploded view
Table 4. FRU categories for the LCD unit
No. FRU (CRU) category
1LCD module
2Camera
3Microphone rubbers
4Microphone board
26 Hardware Maintenance Manual
Figure 3. Yoga 7 15ITL5 exploded view
Table 5. FRU (CRU) categories
No. FRU (CRU) category
1Upper case (with keyboard)
28 Hardware Maintenance Manual
Table 5. FRU (CRU) categories (continued)
2Sponge
3Keyboard bracket mylar
4Speakers
5Solid-state drive (SSD) bracket
Note: The SSD bracket is used to lock the screw for the 2242 SSD.
6Solid-state drive (SSD) mylar
7Solid-state drive (SSD)
8Wi-Fi card
9Thermal module
10 I/O board cable
11 Lower case
12 CMOS battery
13 I/O board
14 Power board cable
15 Power board
16 Battery pack
17 Fingerprint board cable
18 Touchpad board cable
19 System board
aPower cord
bac power adapter
cScrew kit
Chapter 3.Identifying FRUs (CRUs) 29
Figure 4. Yoga 7 15ITL5 LCD unit — exploded view
Table 6. FRU categories for the LCD unit
No. FRU (CRU) category
1LCD module
2Camera cable
3Microphone rubbers
4Camera
5Microphone board cable
6Microphone board
7EDP cable
8LCD cover
9Removable tape
30 Hardware Maintenance Manual
32 Hardware Maintenance Manual
Chapter 4. Removing a FRU or CRU
Service tools
The following table lists tools for servicing Lenovo computers. Tools with a cross mark are needed for serving
the product models as described by this publication. Prepare them before you service the product.
Table 7. Service tools
Service tool and consumable Model applicability
Screw driver (Phillips head) (PH1/PH0) X
Screw driver (Torx head) (T5) X
Screw driver (Torx head) (T30)
Pry tool 1 X
Tweezers (conductive) X
Tweezers (isolated)
Suction cup
Hexagonal socket
Silicone grease
Acetate tape X
Polyamide tape
Mylar tape
Electrical tape
Double-sided tape
Conductive tape
Eraser
Heat gun
Brown brush
Notes:
• T30 screw drivers are used to service the new Intel Xeon CPUs.
• Hexagonal sockets are used to remove antenna connectors.
• Silicone grease is applied to the CPU and heatsink surfaces to eliminate air gaps.
General guidelines
When removing or replacing an FRU, ensure that you observe the following general guidelines:
1. Do not try to service any computer unless you have been trained and certified. An untrained person runs
the risk of damaging parts.
2. Begin by removing any FRUs that have to be removed before replacing the failing FRU. Any such FRUs
are listed at the beginning of each FRU replacement procedure. Remove them in the order in which they
are listed.
© Copyright Lenovo 2020 33
3. Follow the correct sequence in the steps for removing an FRU, as shown in the illustrations by the
numbers in square callouts.
4. When removing an FRU, move it in the direction as shown by the arrow in the illustration.
5. To install a new FRU in place, perform the removal procedure in reverse and follow any notes that
pertain to replacement.
6. When replacing an FRU, carefully retain and reuse all screws.
7. When replacing the base cover, reapply all labels that come with the replacement base cover. If some
original labels are not included with the replacement base cover, peel them off from the original base
cover and paste them on the replacement base cover.
DANGER
Before removing any FRU or CRU, shut down the computer and unplug all power cords from
electrical outlets.
Attention: After replacing an FRU, do not turn on the computer until you have ensured that all screws,
springs, and other small parts are in place and none are loose inside the computer. Verify this by shaking the
computer gently and listening for rattling sounds. Metallic parts or metal flakes can cause electrical short
circuits.
Attention: The system board is sensitive to and can be damaged by ESD. Before touching it, establish
personal grounding by touching a ground point with one hand or by using an ESD strap (P/N 6405959).
Removal procedure for Yoga 7 14ITL5
Remove the lower case
Make sure the computer has been shut down before servicing the computer.
Step 1. Place the computer upside down on a flat surface.
Step 2. Remove seven screws.
Figure 5. Remove seven screws
34 Hardware Maintenance Manual
Screw specifications Number of screws
M2 x L6 7
Step 3. Pry up the latches and then remove the lower case.
Figure 6. Pry up the latches and remove the lower case
Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement
part:
Lower case
Remove the battery pack
Make sure the following FRU (or CRU) has been removed.
“Remove the lower case” on page 34
Step 1. Disconnect the battery pack cable from the system board.
Attention: Use your fingernails to pull the connector to unplug it. Do not pull the cable.
Figure 7. Disconnect the battery pack cable from the system board
Step 2. Remove five screws and then remove the battery pack.
Chapter 4.Removing a FRU or CRU 35
Figure 8. Remove five screws and remove the battery pack
Screw specifications Number of screws
M2 x L3.5 5
Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement
part:
Battery pack
Remove the solid-state drive (SSD) module
Make sure the following FRU (or CRU) has been removed.
“Remove the lower case” on page 34
Step 1. Disconnect the battery pack cable from the system board.
Attention: Use your fingernails to pull the connector to unplug it. Do not pull the cable.
Step 2. Remove one screw.
Figure 9. Remove one screw
Screw specifications Number of screws
M2 x L3.5 1
Step 3. Remove the SSD module by pulling it away from the slot.
36 Hardware Maintenance Manual
Figure 10. Remove the SSD module
Step 4. Remove the SSD mylar.
Figure 11. Remove the SSD mylar
Step 5. Remove one screw and then remove the SSD from the SSD bracket.
Figure 12. Remove the SSD and SSD bracket
Screw specifications Number of screws
M2 x L2.7 1
Note: If your computer is installed with a hybrid solid-state drive (with Intel Optane memory), go to https://
support.lenovo.com/docs/tg_ssd to know the details on how to replace it.
Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following
replacement parts:
SSD
SSD mylar
SSD bracket
Remove the Wi-Fi card
Make sure the following FRU (or CRU) has been removed.
“Remove the lower case” on page 34
Step 1. Disconnect the battery pack cable from the system board.
Attention: Use your fingernails to pull the connector to unplug it. Do not pull the cable.
Chapter 4.Removing a FRU or CRU 37
Step 2. Detach the main and auxiliary antenna cable connectors. Remove one screw and then remove the
Wi-Fi card by pulling it away from the slot.
Figure 13. Remove the Wi-Fi card
Screw specifications Number of screws
M2 x L3.5 1
Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement
part:
Wi-Fi card
Remove the thermal module
Make sure the following FRU (or CRU) has been removed.
“Remove the lower case” on page 34
Step 1. Disconnect the battery pack cable from the system board.
Attention: Use your fingernails to pull the connector to unplug it. Do not pull the cable.
Step 2. Disconnect the fan cable from the system board and release the I/O board cable from the cable
guide.
Figure 14. Disconnect the fan cable from the system board and release the I/O board cable
Step 3. Remove two screws and then loosen three screws. Remove the thermal module.
38 Hardware Maintenance Manual
Figure 15. Remove the thermal module
Screw specifications Number of screws
M2 x L3.5 2
Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement
part:
Thermal module
Remove the CMOS battery
Make sure the following FRU (or CRU) has been removed.
“Remove the lower case” on page 34
Step 1. Disconnect the battery pack cable from the system board.
Attention: Use your fingernails to pull the connector to unplug it. Do not pull the cable.
Step 2. Disconnect the CMOS battery cable from the I/O board and then remove the CMOS battery.
Figure 16. Disconnect the CMOS battery cable from the I/O board and remove the CMOS battery
Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement
part:
CMOS battery
Chapter 4.Removing a FRU or CRU 39
Remove the I/O board module
Make sure the following FRU (or CRU) have been removed.
“Remove the lower case” on page 34
Step 1. Disconnect the battery pack cable from the system board.
Attention: Use your fingernails to pull the connector to unplug it. Do not pull the cable.
Step 2. Disconnect the I/O board cable from the system board and disconnect the power board cable from
the I/O board.
Figure 17. Disconnect the I/O board cable from the system board and disconnect the power board cable from
the I/O board
Step 3. Remove two screws and then remove the I/O board with cable.
Figure 18. Remove two screws and remove the I/O board with cable
Screw specifications Number of screws
M2 x L3.5 2
Step 4. Separate the I/O board cable from the I/O board.
40 Hardware Maintenance Manual
Figure 19. Separate the I/O board cable from the I/O board
Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following
replacement parts:
I/O board
I/O board cable
Remove the power board module
Make sure the following FRU (or CRU) have been removed.
“Remove the lower case” on page 34
Step 1. Disconnect the battery pack cable from the system board.
Attention: Use your fingernails to pull the connector to unplug it. Do not pull the cable.
Step 2. Disconnect the power board cable from the I/O board and then remove the power board with
cable.
Figure 20. Remove the power board with cable
Step 3. Separate the power board cable from the power board.
Figure 21. Separate the power board cable from the power board
Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following
replacement parts:
Chapter 4.Removing a FRU or CRU 41
Power board
Power board cable
Remove the speakers
Make sure the following FRUs (CRUs) have been removed.
“Remove the lower case” on page 34
“Remove the battery pack” on page 35
Step 1. Disconnect the speaker cable from the system board and then remove two screws.
Figure 22. Disconnect the speaker cable from the system board and remove two screws
Screw specifications Number of screws
M2 x L2.2 2
Step 2. Release the speaker cable from the cable guide and remove the speakers.
Figure 23. Release the speaker cable from the cable guide and remove the speakers
Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement
part:
Speakers
Remove the fingerprint board cable
Make sure the following FRUs (CRUs) have been removed.
42 Hardware Maintenance Manual
“Remove the lower case” on page 34
“Remove the battery pack” on page 35
Step 1. Disconnect the fingerprint board cable from the system board and the fingerprint board. Remove
the fingerprint board cable.
Figure 24. Remove the fingerprint board cable
Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement
part:
Fingerprint board cable
Remove the touchpad board cable
Make sure the following FRUs (CRUs) have been removed.
“Remove the lower case” on page 34
“Remove the battery pack” on page 35
Step 1. Disconnect the touchpad board cable from the system board and the touchpad board. Remove the
touchpad board cable.
Figure 25. Remove the touchpad board cable
Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement
part:
Touchpad board cable
Chapter 4.Removing a FRU or CRU 43
Remove the system board
Make sure the following FRUs (or CRUs) have been removed.
“Remove the lower case” on page 34
“Remove the battery pack” on page 35
“Remove the solid-state drive (SSD) module” on page 36
“Remove the Wi-Fi card” on page 37
“Remove the thermal module” on page 38
Step 1. Disconnect cables connected to the system board.
Figure 26. Disconnect cables connected to the system board
Step 2. Remove six screws and then remove the system board.
Figure 27. Remove six screws and remove the system board
Screw specifications Number of screws
M2 x L3.5 6
Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement
part:
44 Hardware Maintenance Manual
System board
Remove the LCD unit
Make sure the following FRUs (CRUs) have been removed.
“Remove the lower case” on page 34
“Remove the battery pack” on page 35
“Remove the thermal module” on page 38
“Remove the I/O board module” on page 40
“Remove the power board module” on page 41
“Remove the system board” on page 44
Step 1. Peel off the tape and release the antenna cable from the cable guide.
Figure 28. Peel off the tape and release the antenna cable from the cable guide
Step 2. Rotate the LCD unit to an angle of more than 90 degrees and place the computer on a flat surface
as shown. Remove four screws.
Figure 29. Remove four screws
Chapter 4.Removing a FRU or CRU 45
Screw specifications Number of screws
M2.5 x L4.5 4
Step 3. Remove the LCD unit.
Figure 30. Remove the LCD unit
Remove the upper case (with keyboard, touchpad and fingerprint board)
Make sure the following FRUs (CRUs) have been removed.
“Remove the lower case” on page 34
“Remove the battery pack” on page 35
“Remove the solid-state drive (SSD) module” on page 36
“Remove the Wi-Fi card” on page 37
“Remove the thermal module” on page 38
“Remove the CMOS battery” on page 39
“Remove the I/O board module” on page 40
“Remove the power board module” on page 41
“Remove the speakers” on page 42
“Remove the fingerprint board cable” on page 42
“Remove the touchpad board cable” on page 43
“Remove the system board” on page 44
“Remove the LCD unit” on page 45
Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement
part:
Upper case (with keyboard, touchpad and fingerprint board)
Disassemble the LCD unit
The LCD unit as a whole is not an FRU. Instead, it contains FRUs as its components. Before disassembling
the LCD unit, make sure it has been detached from the upper case.
46 Hardware Maintenance Manual
Remove the strip cover
Make sure the following unit has been removed.
“Remove the LCD unit” on page 45
Step 1. Remove the strip cover.
Figure 31. Remove the strip cover
Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement
part:
Strip cover
Remove the hinge rubbers
Make sure the following FRUs (CRUs) have been removed.
“Remove the LCD unit” on page 45
“Remove the strip cover” on page 47
Step 1. Remove the hinge rubbers.
Figure 32. Remove the hinge rubbers
Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement
part:
Hinge rubbers
Chapter 4.Removing a FRU or CRU 47
Remove the LCD module
Make sure the following FRUs (CRUs) have been removed.
“Remove the LCD unit” on page 45
“Remove the strip cover” on page 47
Step 1. Remove the two pieces of removable tape with tweezers. Remove three screws and then turn over
the LCD module.
Figure 33. Remove three screws and turn over the LCD module
Screw specifications Number of screws
M1.6 x L2.5 3
Step 2. Peel off the tape carefully.
Figure 34. Peel off the tape carefully
Step 3. Disconnect the EDP cable and the touch panel cable from the LCD module. Remove the LCD
module.
48 Hardware Maintenance Manual
Figure 35. Remove the LCD module
Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following
replacement parts:
LCD module
Removable tape
Remove the EDP cable
Make sure the following FRUs (CRUs) have been removed.
“Remove the LCD unit” on page 45
“Remove the strip cover” on page 47
“Remove the hinge rubbers” on page 47
“Remove the LCD module” on page 48
Step 1. Disconnect the EDP cable from the microphone board and release the EDP cable from the cable
guide. Remove the EDP cable.
Figure 36. Remove the EDP cable
Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement
part:
Chapter 4.Removing a FRU or CRU 49
EDP cable
Remove the camera module
Make sure the following FRUs (CRUs) have been removed.
“Remove the LCD unit” on page 45
“Remove the strip cover” on page 47
“Remove the LCD module” on page 48
Step 1. Disconnect the camera cable from the microphone board and the camera board. Remove the
camera and the camera cable.
Figure 37. Remove the camera and the camera cable
Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following
replacement parts:
Camera
Camera cable
Remove the microphone module
Make sure the following FRUs (CRUs) have been removed.
“Remove the LCD unit” on page 45
“Remove the strip cover” on page 47
“Remove the LCD module” on page 48
Step 1. Disconnect the microphone cable, the camera cable and the EDP cable from the microphone
board. Remove the microphone cable.
50 Hardware Maintenance Manual
Figure 38. Remove the microphone cable
Step 2. Remove the microphone rubbers and the microphone board.
Figure 39. Remove the microphone rubbers and the microphone board
Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following
replacement parts:
Microphone cable
Microphone board
Microphone rubbers
Remove the hinges
Make sure the following FRUs (CRUs) have been removed.
“Remove the LCD unit” on page 45
“Remove the strip cover” on page 47
“Remove the hinge rubbers” on page 47
“Remove the LCD module” on page 48
Step 1. Remove six screws and then remove the hinges.
Chapter 4.Removing a FRU or CRU 51
Figure 40. Remove six screws and remove the hinges
Screw specifications Number of screws
M2.5 x L3.5 6
Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement
part:
Hinges
Remove the LCD cover
Make sure the following FRUs (CRUs) have been removed.
“Remove the LCD unit” on page 45
“Remove the strip cover” on page 47
“Remove the hinge rubbers” on page 47
“Remove the LCD module” on page 48
“Remove the EDP cable” on page 49
“Remove the camera module” on page 50
“Remove the microphone module” on page 50
“Remove the hinges” on page 51
Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement
part:
LCD cover
52 Hardware Maintenance Manual
Removal procedure for Yoga 7 15ITL5
Remove the lower case
Make sure the computer has been shut down before servicing the computer.
Step 1. Place the computer upside down on a flat surface.
Step 2. Remove seven screws.
Figure 41. Remove seven screws
Screw specifications Number of screws
M2 x L6 3
M2 x L2.5 4
Step 3. Pry up the latches and then remove the lower case.
Figure 42. Pry up the latches and remove the lower case
Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement
part:
Lower case
Chapter 4.Removing a FRU or CRU 53
Remove the battery pack
Make sure the following FRU (or CRU) has been removed.
“Remove the lower case” on page 53
Step 1. Disconnect the battery cable from the system board.
Attention: Use your fingernails to pull the connector to unplug it. Do not pull the cable.
Figure 43. Disconnect the battery cable from the system board
Step 2. Remove five screws and then remove the battery pack.
Figure 44. Remove the battery pack
Screw specifications Number of screws
M2 x L3.5 5
Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement
part:
Battery pack
Remove the solid-state drive (SSD) module
Make sure the following FRU (or CRU) has been removed.
“Remove the lower case” on page 53
54 Hardware Maintenance Manual
Step 1. Disconnect the battery cable from the system board.
Attention: Use your fingernails to pull the connector to unplug it. Do not pull the cable.
Step 2. Remove one screw.
Figure 45. Remove one screw
Screw specifications Number of screws
M2 x L3.5 1
Step 3. Remove the SSD module by pulling it away from the slot.
Figure 46. Remove the SSD module
Step 4. Peel off the SSD mylar.
Figure 47. Peel off the SSD mylar
Step 5. Remove one screw and then separate the SSD from the SSD bracket.
Figure 48. Remove the SSD and the SSD bracket
Chapter 4.Removing a FRU or CRU 55
Screw specifications Number of screws
M2 x L2.7 1
Note: If your computer is installed with a hybrid solid-state drive (with Intel Optane memory), go to https://
support.lenovo.com/docs/tg_ssd to know the details on how to replace it.
Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following
replacement parts:
SSD
SSD bracket
Remove the Wi-Fi card
Make sure the following FRU (or CRU) has been removed.
“Remove the lower case” on page 53
Step 1. Disconnect the battery cable from the system board.
Attention: Use your fingernails to pull the connector to unplug it. Do not pull the cable.
Step 2. Detach the main and auxiliary antenna cable connectors. Remove one screw and then remove the
Wi-Fi card by pulling it away from the slot.
Figure 49. Remove the Wi-Fi card
Screw specifications Number of screws
M2 x L3.5 1
Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement
part:
Wi-Fi card
Remove the thermal module
Make sure the following FRU (or CRU) has been removed.
“Remove the lower case” on page 53
56 Hardware Maintenance Manual
Step 1. Disconnect the battery pack cable from the system board.
Attention: Use your fingernails to pull the connector to unplug it. Do not pull the cable.
Step 2. Disconnect the fan cable from the system board and release the I/O board cable from the cable
guide.
Figure 50. Disconnect the fan cable from the system board and release the I/O board cable
Step 3. Remove three screws and then loosen three screws. Remove the thermal module.
Figure 51. Remove the thermal module
Screw specifications Number of screws
M2 x L3.5 3
Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement
part:
Thermal module
Remove the CMOS battery
Make sure the following FRU (or CRU) has been removed.
“Remove the lower case” on page 53
Step 1. Disconnect the battery pack cable from the system board.
Attention: Use your fingernails to pull the connector to unplug it. Do not pull the cable.
Step 2. Disconnect the CMOS battery cable from the I/O board and then remove the CMOS battery.
Chapter 4.Removing a FRU or CRU 57
Figure 52. Disconnect the CMOS battery cable from the I/O board and remove the CMOS battery
Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement
part:
CMOS battery
Remove the I/O board module
Make sure the following FRU (or CRU) has been removed.
“Remove the lower case” on page 53
“Remove the CMOS battery” on page 57
Step 1. Disconnect the battery pack cable from the system board.
Attention: Use your fingernails to pull the connector to unplug it. Do not pull the cable.
Step 2. Peel off the tape. Disconnect the I/O board cable from the system board and disconnect the power
board cable from the I/O board.
Figure 53. Disconnect the I/O board cable from the system board and disconnect the power board cable from
the I/O board
Step 3. Remove two screws and then remove the I/O board with cable.
58 Hardware Maintenance Manual
Figure 54. Remove two screws and remove the I/O board with cable
Screw specifications Number of screws
M2 x L3.5 2
Step 4. Separate the I/O board cable from the I/O board.
Figure 55. Separate the I/O board cable from the I/O board
Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following
replacement parts:
I/O board
I/O board cable
Remove the power board module
Make sure the following FRU (or CRU) have been removed.
“Remove the lower case” on page 53
Step 1. Disconnect the battery pack cable from the system board.
Attention: Use your fingernails to pull the connector to unplug it. Do not pull the cable.
Step 2. Disconnect the power board cable from the I/O board and then remove the power board with
cable.
Chapter 4.Removing a FRU or CRU 59
Figure 56. Remove the power board with cable
Step 3. Separate the power board cable from the power board.
Figure 57. Separate the power board cable from the power board
Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following
replacement parts:
Power board
Power board cable
Remove the speakers
Make sure the following FRUs (CRUs) have been removed.
“Remove the lower case” on page 53
“Remove the battery pack” on page 54
“Remove the thermal module” on page 56
“Remove the CMOS battery” on page 57
“Remove the I/O board module” on page 58
Step 1. Disconnect the speaker cable from the system board and then remove three screws.
60 Hardware Maintenance Manual
Figure 58. Disconnect the speaker cable from the system board and remove three screws
Screw specifications Number of screws
M2 x L2.2 3
Step 2. Peel off the pieces of tape. Release the speaker cable from the cable guide and remove the
speakers.
Figure 59. Release the speaker cable from the cable guide and remove the speakers
Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement
part:
Speakers
Remove the fingerprint board cable
Make sure the following FRUs (CRUs) have been removed.
“Remove the lower case” on page 53
“Remove the battery pack” on page 54
Chapter 4.Removing a FRU or CRU 61
Step 1. Disconnect the fingerprint board cable from the system board and the fingerprint board. Remove
the fingerprint board cable.
Figure 60. Remove the fingerprint board cable
Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement
part:
Fingerprint board cable
Remove the touchpad board cable
Make sure the following FRUs (CRUs) have been removed.
“Remove the lower case” on page 53
“Remove the battery pack” on page 54
Step 1. Disconnect the touchpad board cable from the system board and the touchpad board. Remove the
touchpad board cable.
Figure 61. Remove the touchpad board cable
Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement
part:
Touchpad board cable
Remove the system board
Make sure the following FRUs (or CRUs) have been removed.
62 Hardware Maintenance Manual
“Remove the lower case” on page 53
“Remove the battery pack” on page 54
“Remove the solid-state drive (SSD) module” on page 54
“Remove the Wi-Fi card” on page 56
“Remove the thermal module” on page 56
Step 1. Disconnect cables connected to the system board.
Figure 62. Disconnect cables connected to the system board
Step 2. Remove five screws and then remove the system board.
Figure 63. Remove five screws and remove the system board
Screw specifications Number of screws
M2 x L3.5 5
Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement
part:
System board
Chapter 4.Removing a FRU or CRU 63
Remove the LCD unit
Make sure the following FRUs (CRUs) have been removed.
“Remove the lower case” on page 53
“Remove the battery pack” on page 54
“Remove the thermal module” on page 56
“Remove the I/O board module” on page 58
“Remove the power board module” on page 59
“Remove the system board” on page 62
Step 1. Rotate the LCD unit to an angle of more than 90 degrees and place the computer on a flat surface
as shown. Release the antenna cable from the cable guide and remove three screws.
Figure 64. Release the antenna cable from the cable guide and remove three screws
Screw specifications Number of screws
M2.5 x L5 3
Step 2. Remove the LCD unit.
Figure 65. Remove the LCD unit
64 Hardware Maintenance Manual
Remove the upper case (with keyboard, touchpad and fingerprint board)
Make sure the following FRUs (CRUs) have been removed.
“Remove the lower case” on page 53
“Remove the battery pack” on page 54
“Remove the solid-state drive (SSD) module” on page 54
“Remove the Wi-Fi card” on page 56
“Remove the thermal module” on page 56
“Remove the I/O board module” on page 58
“Remove the power board module” on page 59
“Remove the speakers” on page 60
“Remove the fingerprint board cable” on page 61
“Remove the touchpad board cable” on page 62
“Remove the system board” on page 62
“Remove the LCD unit” on page 64
Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following
replacement parts:
keyboard bracket mylar
Upper case (with keyboard, touchpad and fingerprint board)
Disassemble the LCD unit
The LCD unit as a whole is not an FRU. Instead, it contains FRUs as its components. Before disassembling
the LCD unit, make sure it has been detached from the upper case.
Remove the strip cover
Make sure the following unit has been removed.
“Remove the LCD unit” on page 64
Step 1. Remove the strip cover.
Figure 66. Remove the strip cover
Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement
part:
Strip cover
Chapter 4.Removing a FRU or CRU 65
Remove the hinge rubbers
Make sure the following FRUs (CRUs) have been removed.
“Remove the LCD unit” on page 64
“Remove the strip cover” on page 65
Step 1. Remove the hinge rubbers.
Figure 67. Remove the hinge rubbers
Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement
part:
Hinge rubbers
Remove the LCD module
Make sure the following FRUs (CRUs) have been removed.
“Remove the LCD unit” on page 64
“Remove the strip cover” on page 65
Step 1. Remove the two pieces of removable tape with tweezers. Remove four screws and then turn over
the LCD module.
66 Hardware Maintenance Manual
Figure 68. Remove four screws and turn over the LCD module
Screw specifications Number of screws
M2 x L2.7 4
Step 2. Peel off the tape carefully.
Figure 69. Peel off the tape carefully
Step 3. Disconnect the EDP cable and the touch panel cable from the LCD module. Remove the LCD
module.
Chapter 4.Removing a FRU or CRU 67
Figure 70. Remove the LCD module
Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following
replacement parts:
LCD module
Removable tape
Remove the EDP cable
Make sure the following FRUs (CRUs) have been removed.
“Remove the LCD unit” on page 64
“Remove the strip cover” on page 65
“Remove the hinge rubbers” on page 66
“Remove the LCD module” on page 66
Step 1. Disconnect the EDP cable from the microphone board and release the EDP cable from the cable
guide. Remove the EDP cable.
Figure 71. Remove the EDP cable
68 Hardware Maintenance Manual
Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement
part:
EDP cable
Remove the camera module
Make sure the following FRUs (CRUs) have been removed.
“Remove the LCD unit” on page 64
“Remove the strip cover” on page 65
“Remove the LCD module” on page 66
Step 1. Disconnect the camera cable from the microphone board and the camera board. Remove the
camera and the camera cable.
Figure 72. Remove the camera and the camera cable
Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following
replacement parts:
Camera
Camera cable
Remove the microphone module
Make sure the following FRUs (CRUs) have been removed.
“Remove the LCD unit” on page 64
“Remove the strip cover” on page 65
“Remove the LCD module” on page 66
Step 1. Disconnect the microphone cable, the camera cable and the EDP cable from the microphone
board. Remove the microphone cable.
Chapter 4.Removing a FRU or CRU 69
Figure 73. Remove the microphone cable
Step 2. Remove the microphone rubbers and the microphone board.
Figure 74. Remove the microphone rubbers and the microphone board
Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following
replacement parts:
Microphone cable
Microphone board
Microphone rubbers
Remove the hinges
Make sure the following FRUs (CRUs) have been removed.
“Remove the LCD unit” on page 64
“Remove the strip cover” on page 65
“Remove the hinge rubbers” on page 66
“Remove the LCD module” on page 66
Step 1. Remove six screws and then remove the hinges.
70 Hardware Maintenance Manual
Figure 75. Remove six screws and remove the hinges
Screw specifications Number of screws
M2.5 x L3.5 6
Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement
part:
Hinges
Remove the LCD cover
Make sure the following FRUs (CRUs) have been removed.
“Remove the LCD unit” on page 64
“Remove the strip cover” on page 65
“Remove the hinge rubbers” on page 66
“Remove the LCD module” on page 66
“Remove the EDP cable” on page 68
“Remove the camera module” on page 69
“Remove the microphone module” on page 69
“Remove the hinges” on page 70
Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement
part:
LCD cover
Chapter 4.Removing a FRU or CRU 71
72 Hardware Maintenance Manual
Appendix A. Label locations
Figure 76. Label layout on the back side of the base cover
Labels attached to the base cover are country/region specific. Make sure to apply the appropriate labels to
the replacement base cover.
Table 8. All base cover labels
Label Label name Applied country/region Label dimensions
aOS label All 16.077 mm x 22.501 mm
bAdapter label Argentina 65 mm x 20 mm
cCountry label TW warning label 70 mm x 10 mm
dArgentina label 68 mm x 6 mm
eIndonesia label 26 mm x 10 mm
fKCC label 50 mm x 16 mm
gBelarus certificate label 40 mm x 8 mm
hBIS label 22 mm x 30 mm
IWL/BT label Brazil 35 mm x 15 mm
US/CA/TW
Israel
South Africa
Malaysia
Indonesia
© Copyright Lenovo 2020 73
74 Hardware Maintenance Manual
Trademarks
LENOVO and the LENOVO logo are trademarks of Lenovo.
All other trademarks are the property of their respective owners. © 2020 Lenovo.
