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
- Remove the SIM card tray
- Remove the lower case
- Remove the battery pack
- Remove the speakers
- Remove the thermal module
- Remove the solid-state drive (SSD) module
- Remove the USB board
- Remove the antenna bracket
- Remove the rubber foot
- Remove the 5G module
- Remove the system board
- Remove the USB board cable
- Remove the function board cable (left)
- Remove the function board cable (right)
- Remove the LCD module
- Remove the upper case (with keyboard and touchpad)
- Disassemble the LCD module
- Appendix A. Label locations
- Trademarks
Lenovo 5G 14Q8X05 User Manual
Displayed below is the user manual for 5G 14Q8X05 by Lenovo which is a product in the Notebooks category. This manual has pages.
Related Manuals
Hardware Maintenance Manual
IdeaPad 4G (14″, 05), IdeaPad 5G (14″, 05), IdeaPad 14m 4G 2021,
IdeaPad 14m 5G 2021, IdeaPad 14m 4G 2021 DM and IdeaPad 14m
5G 2021 DM
First Edition (November 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 . . . . . . . . . . . . . . . . . . 29
Service tools . . . . . . . . . . . . . . . . 29
General guidelines. . . . . . . . . . . . . . 29
Remove the SIM card tray . . . . . . . . . . . 30
Remove the lower case . . . . . . . . . . . . 30
Remove the battery pack . . . . . . . . . . . 31
Remove the speakers . . . . . . . . . . . . 32
Remove the thermal module . . . . . . . . . . 33
Remove the solid-state drive (SSD) module . . . . 33
Remove the USB board. . . . . . . . . . . . 35
Remove the antenna bracket . . . . . . . . . 36
Remove the rubber foot. . . . . . . . . . . . 37
Remove the 5G module. . . . . . . . . . . . 38
Remove the system board. . . . . . . . . . . 39
Remove the USB board cable . . . . . . . . . 41
Remove the function board cable (left) . . . . . . 42
Remove the function board cable (right) . . . . . 42
Remove the LCD module . . . . . . . . . . . 43
Remove the upper case (with keyboard and
touchpad) . . . . . . . . . . . . . . . . . 44
Disassemble the LCD module . . . . . . . . . 45
Remove the LCD bezel . . . . . . . . . . 45
Remove the hinge cover. . . . . . . . . . 45
Remove the hinges. . . . . . . . . . . . 46
Remove the LCD panel . . . . . . . . . . 47
Remove the camera rubbers . . . . . . . . 48
Remove the microphone rubbers . . . . . . 48
Remove the camera . . . . . . . . . . . 49
Remove the EDP cable . . . . . . . . . . 50
Remove the LCD cover . . . . . . . . . . 50
Appendix A. Label locations. . . . . . 53
Trademarks . . . . . . . . . . . . . . . . . lv
© 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)
IdeaPad 4G 14Q8C05 82KE
IdeaPad 5G 14Q8X05 82KF
IdeaPad 14mQ8C 4G 2021 82EF, 82KG
IdeaPad 14mQ8X 5G 2021 82EG, 82KH
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
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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: IdeaPad 4G 14Q8C05 (MT: 82KE)
CRU Type
ac power adapter self-service
Power cord self-service
SIM card tray self-service
Table 2. Model: IdeaPad 5G 14Q8X05 (MT: 82KF)
CRU Type
ac power adapter self-service
Power cord self-service
SIM card tray self-service
Table 3. Model: IdeaPad 14mQ8C 4G 2021 (MT: 82EF, 82KG)
CRU Type
ac power adapter self-service
Power cord self-service
SIM card tray self-service
Table 4. Model: IdeaPad 14mQ8X 5G 2021 (MT: 82EG, 82KH)
CRU Type
ac power adapter self-service
Power cord self-service
SIM card tray self-service
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.
Figure 1. IdeaPad 4G (14″, 05), IdeaPad 14m 4G 2021 and IdeaPad 14m 4G 2021 DM exploded view
© Copyright Lenovo 2020 23
Table 5. FRU (CRU) categories
No. FRU (CRU) category
1LCD module
2SIM card tray
3Upper case (with keyboard and touchpad)
4Rubber foot
5USB board
6USB board cable
7Solid-state drive (SSD)
8System board
9Thermal module
10 Speakers
11 Battery pack
12 Antenna bracket
13 Lower case
14 Function board cable (left)
15 Function board cable (right)
aPower cord
bac power adapter
cSSD foil
dScrew kit
24 Hardware Maintenance Manual
Table 6. FRU (CRU) categories (continued)
4Rubber foot
5USB board
6USB board cable
7Solid-state drive (SSD)
85G module
9System board
10 Thermal module
11 Speakers
12 Battery pack
13 Antenna bracket
14 Lower case
15 Function board cable (left)
16 Function board cable (right)
aPower cord
bac power adapter
cSSD foil
dScrew kit
26 Hardware Maintenance Manual
Figure 3. IdeaPad 4G (14″, 05), IdeaPad 5G (14″, 05), IdeaPad 14m 4G 2021, IdeaPad 14m 5G 2021, IdeaPad 14m 4G
2021 DM and IdeaPad 14m 5G 2021 DM LCD module - exploded view
Table 7. FRU categories for the LCD module
No. FRU (CRU) category
1LCD cover
2LCD panel
3Hinges
Chapter 3.Identifying FRUs (CRUs) 27
Table 7. FRU categories for the LCD module (continued)
4Hinge cover
5LCD bezel
6Removable tape
7EDP cable
8Camera
9Camera rubbers
10 Microphone rubbers
28 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 8. 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 29
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).
Remove the SIM card tray
Step 1. Use the ejection tool to eject the SIM card tray and then slide the tray out of the computer.
Figure 4. Remove the SIM card tray.
Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement
part:
SIM card tray
Remove the lower case
Make sure the computer has been shut down before servicing the computer.
30 Hardware Maintenance Manual
Step 1. Place the computer upside down on a flat surface.
Step 2. Remove five screws.
Figure 5. Remove five screws.
Screw specifications Number of screws
M2 x L6.0 5
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 30
Step 1. Disconnect the battery pack cable from the system board.
Chapter 4.Removing a FRU or CRU 31
Attention: Use your fingernails to pull the connector to unplug it. Do not pull the cable.
Step 2. Remove five screws and then remove the battery pack.
Figure 7. 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 speakers
Make sure the following FRU (CRU) has been removed.
“Remove the lower case” on page 30
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 speaker cable from the system board. Release the speaker cable from the cable
guide and then remove the speakers.
Figure 8. Remove the speakers.
32 Hardware Maintenance Manual
Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement
part:
Speakers
Remove the thermal module
Make sure the following FRU (or CRU) has been removed.
“Remove the lower case” on page 30
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. Loosen four screws and then remove seven screws. Remove the thermal module.
Figure 9. Remove the thermal module.
Screw specifications Number of screws
M2 x L1.8 7
Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement
part:
Thermal module
Remove the solid-state drive (SSD) module
Make sure the following FRUs (or CRUs) have been removed.
“Remove the lower case” on page 30
“Remove the thermal module” on page 33
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.
Chapter 4.Removing a FRU or CRU 33
Figure 10. Remove one screw.
Screw specifications Number of screws
M2 x L1.8 1
Step 3. Remove the SSD foil.
Figure 11. Remove the SSD foil.
Step 4. Remove the SSD by pulling it away from the slot.
Figure 12. Remove the SSD by pulling it away from the slot.
34 Hardware Maintenance Manual
Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following
replacement parts:
SSD
SSD foil
Remove the USB board
Make sure the following FRUs (or CRUs) have been removed.
“Remove the lower case” on page 30
“Remove the thermal module” on page 33
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 three screws and then open the hinge.
Figure 13. Remove three screws and open the hinge.
Screw specifications Number of screws
M2.5 x L5.0 3
Step 3. Disconnect the USB board cable from the USB board. Remove two screws and then remove the
USB board.
Chapter 4.Removing a FRU or CRU 35
Figure 14. Remove two screws and remove the USB board.
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:
USB board
Remove the antenna bracket
Make sure the following FRUs (CRUs) have been removed.
“Remove the lower case” on page 30
“Remove the thermal module” on page 33
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. Release the antenna cables from the cable guide. Remove four screws and then remove the
antenna bracket.
Figure 15. Remove four screws and remove the antenna bracket.
36 Hardware Maintenance Manual
Screw specifications Number of screws
M2 x L3.5 4
Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement
part:
Antenna bracket
Remove the rubber foot
Make sure the following FRUs (CRUs) have been removed.
“Remove the lower case” on page 30
“Remove the thermal module” on page 33
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. Release the antenna cables from the cable guide with tweezers carefully.
Figure 16. Release the antenna cables from the cable guide with tweezers carefully.
Step 3. Remove the rubber foot.
Figure 17. Remove the rubber foot.
Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement
part:
Rubber foot
Chapter 4.Removing a FRU or CRU 37
Remove the 5G module
Make sure the following FRUs (CRUs) have been removed.
“Remove the lower case” on page 30
“Remove the thermal module” on page 33
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. Detach the antenna cable connectors.
Figure 18. Detach the antenna cable connectors.
Step 3. Remove one screw and then remove the 5G module.
Figure 19. Remove one screw and then remove the 5G module.
Screw specifications Number of screws
M2 x L1.8 1
Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement
part:
5G module
38 Hardware Maintenance Manual
Remove the system board
Make sure the following FRUs (or CRUs) have been removed.
“Remove the lower case” on page 30
“Remove the thermal module” on page 33
“Remove the solid-state drive (SSD) module” on page 33
“Remove the antenna bracket” on page 36
“Remove the rubber foot” on page 37
Step 1. Detach the antenna cable connectors. Disconnect the EDP cable and the speaker cable from the
system board.
Figure 20. Detach the antenna cable connectors. Disconnect the EDP cable and the speaker cable from the
system board.
Step 2. Disconnect cables connected to the system board.
Chapter 4.Removing a FRU or CRU 39
Figure 21. Disconnect cables connected to the system board.
Step 3. Remove four screws and then open the hinge.
Figure 22. Remove four screws and open the hinge.
Screw specifications Number of screws
M2.5 x L5.0 3
M2 x L3.5 1
Step 4. Remove two screws and then remove the system board.
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Figure 23. Remove two screws and then remove the system board.
Screw specifications Number of screws
M2 x L1.8 2
Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement
part:
System board
Remove the USB board cable
Make sure the following FRUs (CRUs) have been removed.
“Remove the lower case” on page 30
“Remove the thermal module” on page 33
“Remove the solid-state drive (SSD) module” on page 33
“Remove the antenna bracket” on page 36
“Remove the rubber foot” on page 37
“Remove the system board” on page 39
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 USB board cable from the USB board and then remove the USB board cable.
Figure 24. Disconnect the USB board cable from the USB board and remove the USB board cable.
Chapter 4.Removing a FRU or CRU 41
Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement
part:
USB board cable
Remove the function board cable (left)
Make sure the following FRUs (CRUs) have been removed.
“Remove the lower case” on page 30
“Remove the battery pack” on page 31
“Remove the thermal module” on page 33
Step 1. Disconnect the function board cable (left) from the system board and the antenna module. Remove
the function board cable (left).
Figure 25. Remove the function board cable (left).
Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement
part:
Function board cable (left)
Remove the function board cable (right)
Make sure the following FRUs (CRUs) have been removed.
“Remove the lower case” on page 30
“Remove the battery pack” on page 31
Step 1. Disconnect the function board cable (right) from the system board and the antenna module.
Remove the function board cable (right).
42 Hardware Maintenance Manual
Figure 26. Remove the function board cable (right).
Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement
part:
Function board cable (right)
Remove the LCD module
Make sure the following FRUs (CRUs) have been removed.
“Remove the lower case” on page 30
“Remove the thermal module” on page 33
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 EDP cable from the system board.
Figure 27. Disconnect the EDP cable from the system board.
Step 3. Rotate the LCD module to an angle of more than 90 degrees and place the computer on a flat
surface as shown. Remove seven screws and then remove the LCD module.
Chapter 4.Removing a FRU or CRU 43
Figure 28. Remove seven screws and remove the LCD module.
Screw specifications Number of screws
M2.5 x L5.0 6
M2 x L3.5 1
Remove the upper case (with keyboard and touchpad)
Make sure the following FRUs (CRUs) have been removed.
“Remove the SIM card tray” on page 30
“Remove the lower case” on page 30
“Remove the battery pack” on page 31
“Remove the speakers” on page 32
“Remove the thermal module” on page 33
“Remove the solid-state drive (SSD) module” on page 33
“Remove the USB board” on page 35
“Remove the antenna bracket” on page 36
“Remove the rubber foot” on page 37
“Remove the system board” on page 39
“Remove the USB board cable” on page 41
“Remove the function board cable (left)” on page 42
“Remove the function board cable (right)” on page 42
“Remove the LCD module” on page 43
Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement
part:
Upper case (with keyboard and touchpad)
44 Hardware Maintenance Manual
Disassemble the LCD module
The LCD module as a whole is not an FRU. Instead, it contains FRUs as its components. Before
disassembling the LCD module, make sure it has been detached from the upper case.
Remove the LCD bezel
Make sure the following unit has been removed.
“Remove the LCD module” on page 43
Step 1. Remove the LCD bezel.
Figure 29. Remove the LCD bezel.
Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement
part:
LCD bezel
Remove the hinge cover
Make sure the following FRUs (CRUs) have been removed.
“Remove the LCD module” on page 43
“Remove the LCD bezel” on page 45
Step 1. Remove the hinge cover.
Figure 30. Remove the hinge cover.
Chapter 4.Removing a FRU or CRU 45
Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement
part:
Hinge cover
Remove the hinges
Make sure the following FRUs (CRUs) have been removed.
“Remove the LCD module” on page 43
“Remove the LCD bezel” on page 45
“Remove the hinge cover” on page 45
Step 1. Release the EDP cable.
Figure 31. Release the EDP cable.
Step 2. Remove six screws and then remove the hinges.
Figure 32. Remove six screws and remove the hinges.
Screw specifications Number of screws
M2.5 x L5.0 6
46 Hardware Maintenance Manual
Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement
part:
Hinges
Remove the LCD panel
Make sure the following FRUs (CRUs) have been removed.
“Remove the LCD module” on page 43
“Remove the LCD bezel” on page 45
“Remove the hinge cover” on page 45
Step 1. Remove the two pieces of removable tape with tweezers and then turn over the LCD panel.
Figure 33. Remove the two pieces of removable tape with tweezers and turn over the LCD panel.
Step 2. Peel off the tape and then disconnect the EDP cable from the LCD panel. Remove the LCD panel.
Figure 34. Remove the LCD panel.
Chapter 4.Removing a FRU or CRU 47
Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following
replacement parts:
LCD panel
Removable tape
Remove the camera rubbers
Make sure the following FRUs (CRUs) have been removed.
“Remove the LCD module” on page 43
“Remove the LCD bezel” on page 45
“Remove the hinge cover” on page 45
“Remove the LCD panel” on page 47
Step 1. Remove the camera rubbers.
Figure 35. Remove the camera rubbers.
Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement
part:
Camera rubbers
Removable tape
Remove the microphone rubbers
Make sure the following FRUs (CRUs) have been removed.
“Remove the LCD module” on page 43
“Remove the LCD bezel” on page 45
“Remove the hinge cover” on page 45
“Remove the LCD panel” on page 47
Step 1. Remove the microphone rubbers.
48 Hardware Maintenance Manual
Figure 36. Remove the microphone rubbers.
Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following
replacement parts:
Microphone rubbers
Removable tape
Remove the camera
Make sure the following FRUs (CRUs) have been removed.
“Remove the LCD module” on page 43
“Remove the LCD bezel” on page 45
“Remove the hinge cover” on page 45
“Remove the LCD panel” on page 47
“Remove the camera rubbers” on page 48
Step 1. Disconnect the EDP cable from the camera and then remove the camera.
Figure 37. Disconnect the EDP cable from the camera and remove the camera.
Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following
replacement parts:
Camera
Chapter 4.Removing a FRU or CRU 49
Removable tape
Remove the EDP cable
Make sure the following FRUs (CRUs) have been removed.
“Remove the LCD module” on page 43
“Remove the LCD bezel” on page 45
“Remove the hinge cover” on page 45
“Remove the LCD panel” on page 47
“Remove the camera rubbers” on page 48
Step 1. Disconnect the EDP cable from the camera and then remove the EDP cable.
Figure 38. Disconnect the EDP cable from the camera and remove the EDP cable.
Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following
replacement parts:
EDP cable
Removable tape
Remove the LCD cover
Make sure the following FRUs (CRUs) have been removed.
“Remove the LCD module” on page 43
“Remove the LCD bezel” on page 45
“Remove the hinge cover” on page 45
“Remove the hinges” on page 46
“Remove the LCD panel” on page 47
“Remove the camera rubbers” on page 48
“Remove the microphone rubbers” on page 48
“Remove the camera” on page 49
“Remove the EDP cable” on page 50
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52 Hardware Maintenance Manual
Appendix A. Label locations
Figure 39. 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 9. All base cover labels
Label Label name Applied country/region Label dimensions
a Rating label P.R.China 33 mm x 24 mm
b 43 mm x 24 mm
© Copyright Lenovo 2020 53
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Trademarks
LENOVO and the LENOVO logo are trademarks of Lenovo.
All other trademarks are the property of their respective owners. © 2020 Lenovo.
