Lenovo Legion Slim 5 Gaming Laptop User Manual

Lenovo Legion Slim 5 (16″, 9)
Hardware Maintenance Manual

About this manual

This manual contains service and reference information for the following Lenovo products.

Lenovo Legion Slim 5 16AHP9 D1
Lenovo Legion Slim 5 16AHP9 D3
Lenovo Legion Slim 5 16AHP9 D5
Lenovo Legion Slim 5 16AHP9 D6
Lenovo Legion Slim 5 16AHP9 D7
Lenovo Legion Slim 5 16AHP9 D8
Legion Slim 5 16ARP9| 83EX
Lenovo Legion Slim 5 16ARP9 D1
Lenovo Legion Slim 5 16ARP9 D2
Lenovo Legion Slim 5 16ARP9 D3
Lenovo Legion Slim 5 16ARP9 D4
Lenovo Legion Slim 5 16ARP9 D5
Lenovo Legion Slim 5 16ARP9 D6

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.

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
  – 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

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 is 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.
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
Before the computer is powered on after FRU replacement, make sure that all screws, springs, and other small parts are in place and are not left loose inside the computer, Verify this by shaking the computer and listening or rattling sounds. Metallic parts or metal flakes can cause electrical short circuits.
DANGER
Some standby batteries contain a small amount of nickel and cadmium. Do not disassemble a standby battery, recharge it, throw it into fire or water, or short-circuit it. Dispose of the battery as required by local ordinances or regulations. Use only the battery in the appropriate parts listing. Use of an incorrect battery can result in ignition or explosion of the battery.
DANGER
The battery pack contains small amounts of nickel. Do not disassemble it, throw it into fire or water, or short-circuit it. Dispose of the battery pack as required by local ordinances or regulations. Use only the battery in the appropriate parts listing when replacing the battery pack. Use of an incorrect battery can result in ignition or explosion of the battery.
DANGER
The lithium battery can cause a fire, an explosion, or a severe burn. Do not recharge it, remove its polarized connector, disassemble it, heat it above 100°C (212°F), incinerate it, or expose its cell contents to water.
Dispose of the battery as required by local ordinances or regulations. Use only the battery in the appropriate parts listing. Use of an incorrect battery can result in ignition or explosion of the battery.
DANGER
If the LCD breaks and the fluid from inside the LCD gets into your eyes or on your hands, immediately wash the affected areas with water for at least 15 minutes. Seek medical care if any symptoms from the fluid are present after washing.
DANGER
To avoid shock, do not remove the plastic cover that protects the lower part of the inverter card.
DANGER
Though the main batteries have low voltage, a short-circuited or grounded battery can produce enough current to burn personnel or combustible materials.
DANGER
Unless hot swap is allowed for the FRU being replaced, do as follows before removing it: power off the computer, unplug all power cords from electrical outlets, remove the battery pack, and disconnect any interconnecting cables.

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 writing 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 a FRU only with another FRU of the correct model. When you replace a FRU, make sure that the model of the machine and the FRU part number are correct by referring to the FRU parts list.
• A 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 a FRU only when a problem recurs. If you suspect that a 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 a 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
• 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. CRU list

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. System exploded view

Table 2. FRU (CRU) categories

Note: The LCD module as a whole is not an FRU, but it contains FRUs as its components.
3| DC-in bracket
4| I/O board cable
5| I/O board
6| Wi-Fi card mylar
7| Wi-Fi card
8| Memory modules
9| 2280 solid-state drive
10| 2242 solid-state drive
11| Coin-cell battery
12| Battery pack (80 W)
13| Battery pack (60 W)
14| Lower case
15| Speakers
16| Memory shielding
17| Thermal module
18| System board
19| Touchpad bracket
20| Upper case
a| ac power adapter
b| Power cord
c| Screw kit

*For selected models

Figure 2. LCD exploded view

Table 3. FRU (CRU) categories

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 4. Service tools

Notes:

• T30 screw drivers are used to service the new Intel Xeon CPUs.
• Hexagonal sockets are used to remove antenna connectors.

General guidelines
When removing or replacing a 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.
3. Follow the correct sequence in the steps for removing a FRU, as shown in the illustrations by the numbers in square callouts.
4. When removing a 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 a 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 a 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).
Handling thermal interface materials
Thermal interface materials are typically applied between a heat sink and a CPU (and/or GPU) die to enhance the heat transfer capability of the heat sink. If thermal interface materials are exposed during computer servicing, such as when replacing the heat sink or system board, it is important to handle the thermal interface materials properly.

• You need to completely remove the old thermal interface materials from the CPU and/or GPU die.
• You need to apply new thermal interface materials onto the heat sink according to the type, quantity, and application areas specified in this publication.

Related topics

“Remove the thermal module” on page 32

“Remove the system board” on page 42

Type, quantity, and areas of thermal interface materials application on the heat sink
The table and figure below provide information on the type and quantity of thermal interface materials, as well as the specific areas on the heat sink where these materials should be applied. Area| Type| Quantity
---|---|---
a| PTM-7958SP| 0.12 g, 14.74 mm × 14.52 mm × 0.2 mm
b| PTM-7958SP| 0.14 g, 18.25 mm × 13.34 mm × 0.2 mm

Figure 3. Areas on the heat sink where thermal interface materials should be applied

Areas on the system board where thermal interface materials are applied
The following figure shows the areas on the system board where thermal interface materials are applied.

Figure 4. Areas on the system board where thermal interface materials are applied

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 ten screws. Pry up the latches and then remove the lower case.

Figure 5. Remove the lower case (for thick models)

Figure 6. Remove the lower case (for thin models)

Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part:
Lower case
Remove the DC-in bracket
Make sure the following FRUs (or CRUs) have been removed.
“Remove the lower case” on page 29
Step 1. Disconnect the battery pack cable from the system board. Remove one screw and then remove the DC-in bracket.
Attention: Use your fingernail to pull the connector to unplug it. Do not pull the cable.

Figure 7. Remove the DC-in bracket

Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part:
DC-in bracket
Remove the memory shielding and memory modules
Make sure the following FRUs (or CRUs) have been removed.
“Remove the lower case” on page 29
Step 1. Disconnect the battery pack cable from the system board. Peel off the tape. Then, remove the memory shielding.
Attention: Use your fingernail to pull the connector to unplug it. Do not pull the cable.

Figure 8. Remove the memory shielding

Step 2. Open the latches and remove the memory modules.

Figure 9. Remove the memory modules

Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts:
Memory shielding
Memory modules
Remove the thermal module
Make sure the following FRUs (or CRUs) have been removed.
“Remove the lower case” on page 29
Step 1. Disconnect the battery pack cable from the system board. Peel back the tape. Then, disconnect the thermal module connectors from the system board.
Attention: Use your fingernail to pull the connector to unplug it. Do not pull the cable.

Figure 10. Disconnect connectors and peel back the tape

Step 2. Remove six screws in alphabetical order and then remove two screws. Then, remove the thermal module.

Figure 11. Remove the thermal module

Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part:
Thermal module
Remove the left SSD
Make sure the following FRUs (or CRUs) have been removed.
“Remove the lower case” on page 29
Step 1. Disconnect the battery pack cable from the system board. Remove one screw and then remove the left SSD.
Attention: Use your fingernail to pull the connector to unplug it. Do not pull the cable.

Figure 12. Remove the left SSD

Notes: For LCD panel with the factory color calibration feature, do the following to install new color profiles:

1. Go to https://pcsupport.lenovo.com/us/en/downloads/DS543953 to download the installation software. Double-click the EXE file and follow the on-screen instructions to finish the installation.
2. X-RiteColorAssistant.exe will auto run. Click Restore Profile button from prompted window to restore the profile from Lenovo cloud.

Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part:
SSD
Remove the right SSD
Make sure the following FRUs (or CRUs) have been removed.
“Remove the lower case” on page 29
Step 1. Disconnect the battery pack cable from the system board. Remove one screw and then remove the right SSD.
Attention: Use your fingernail to pull the connector to unplug it. Do not pull the cable.

Figure 13. Remove the right SSD

Notes: For LCD panel with the factory color calibration feature, do the following to install new color profiles:

1. Go to https://pcsupport.lenovo.com/us/en/downloads/DS543953 to download the installation software. Double-click the EXE file and follow the on-screen instructions to finish the installation.
2. X-RiteColorAssistant.exe will auto run. Click Restore Profile button from prompted window to restore the profile from Lenovo cloud.

Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part:
SSD
Remove the touchpad bracket
Make sure the following FRUs (or CRUs) have been removed.
“Remove the lower case” on page 29
Step 1. Disconnect the battery pack cable from the system board. Remove two screws in alphabetical order and then remove the touchpad bracket.
Attention: Use your fingernail to pull the connector to unplug it. Do not pull the cable.

Figure 14. Remove the touchpad bracket

Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part:
Touchpad bracket
Remove the Wi-Fi card
Make sure the following FRUs (or CRUs) have been removed.
“Remove the lower case” on page 29
Step 1. Disconnect the battery pack cable from the system board. Then, remove the Wi-Fi card mylar.
Attention: Use your fingernail to pull the connector to unplug it. Do not pull the cable.

Figure 15. Disconnect the battery pack cable and remove the Wi-Fi card mylar

Step 2. Disconnect the Wi-Fi antennas. Remove one screw and then remove the Wi-Fi card.

Figure 16. Remove the Wi-Fi card

Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part:
Wi-Fi card
Wi-Fi card mylar
Remove the coin-cell battery
Make sure the following FRUs (CRUs) have been removed.
“Remove the lower case” on page 29
“Remove the Wi-Fi card” on page 36
Step 1. Disconnect the coin-cell battery cable from the USB board. Then, carefully remove the coin-cell battery.
Attention: Use your fingernail to pull the connector to unplug it. Do not pull the cable.

Figure 17. Remove the coin-cell battery

Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part:
Coin-cell battery
Remove the I/O board
Make sure the following FRUs (CRUs) have been removed:
“Remove the lower case” on page 29
“Remove the left SSD” on page 34
Step 1. Disconnect the I/O board cable and the speaker cable from the I/O board.

Figure 18. Disconnect the I/O board cable and the speaker cable

Step 2. Remove two screws and then remove the I/O board.

Figure 19. Remove the I/O board

Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part:
I/O board
Remove the I/O board cable
Make sure the following FRUs (CRUs) have been removed:
“Remove the lower case” on page 29
“Remove the left SSD” on page 34
Step 1. Disconnect the I/O board cable from the I/O board and the system board. Then, remove the I/O board cable.

Figure 20. Remove the I/O board cable

Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part:
I/O board cable
Remove the battery pack
Make sure the following FRUs (or CRUs) have been removed.
“Remove the lower case” on page 29
Step 1. Disconnect the battery pack cable from the system board. Remove six screws and then remove the battery pack.
Attention: Use your fingernail to pull the connector to unplug it. Do not pull the cable.

Figure 21. Remove the battery pack

Note: This image is for reference only.

Screw specifications (for 80 W battery)| Number of screws| Torque
---|---|---
M2 × L4| 6| 1.85 ± 0.15 kgf-cm
Screw specifications (for 60 W battery)| Number of screws| Torque
---|---|---
M2 × L4| 4| 1.85 ± 0.15 kgf-cm

Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part:
Battery pack
Remove the speakers
Make sure the following FRUs (CRUs) have been removed.
“Remove the lower case” on page 29
“Remove the battery pack” on page 40
Step 1. Disconnect the speaker cable from the system board. Release the speaker cable from the cable guide. Then, carefully remove the speakers.
Attention: Use your fingernail to pull the connector to unplug it. Do not pull the cable.

Figure 22. Remove the speakers

Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part:
Speakers
Remove the system board
Make sure the following FRUs (or CRUs) have been removed.
“Remove the lower case” on page 29
“Remove the DC-in bracket” on page 31
“Remove the memory shielding and memory modules” on page 31
“Remove the left SSD” on page 34
“Remove the right SSD” on page 34
“Remove the thermal module” on page 32
“Remove the Wi-Fi card” on page 36
“Remove the battery pack” on page 40
Step 1. Disconnect the camera cable, the USB board cable, the touchpad cable, the keyboard cable, the keyboard backlight cable, the speaker cable, and the EDP cable from the system board.
Attention: Use your fingernail to pull the connector to unplug it. Do not pull the cable.

Figure 23. Disconnect cables

Step 2. Remove three screws. Then, remove the system board.

Figure 24. Remove three screws and the system board

Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part:
System board
Use a Golden Key U1 tool to flash-write key id information
After replacing the system board and re-assembling the computer, use a pre- made Golden Key U1 tool to start the computer and flash-write the serial number (SN), machine type (MT), product name (PN), and UUID to the new system board.
The Golden Key U1 tool is prepared by running the U1 Update software on a FAT32-formatted USB thumb drive. ”
Go to http://support.lenovo.com/us/en/solutions/HT506954 for detailed instructions on how to create and use a Golden Key U1 tool.
Remove the hinge cap
Make sure the following FRUs (CRUs) have been removed.
“Remove the lower case” on page 29
“Remove the DC-in bracket” on page 31
“Remove the memory shielding and memory modules” on page 31
“Remove the left SSD” on page 34
“Remove the right SSD” on page 34
“Remove the thermal module” on page 32
“Remove the Wi-Fi card” on page 36
“Remove the battery pack” on page 40
“Remove the system board” on page 42
Step 1. Remove five screws.

Figure 25. Remove five screws

Step 2. Turn over the computer. Then, remove the hinge cap.

Figure 26. Remove the hinge cap

Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part:
Hinge cap
Remove the strip cover
Make sure the following FRUs (CRUs) have been removed.
“Remove the lower case” on page 29
“Remove the DC-in bracket” on page 31
“Remove the memory shielding and memory modules” on page 31
“Remove the left SSD” on page 34
“Remove the right SSD” on page 34
“Remove the thermal module” on page 32
“Remove the Wi-Fi card” on page 36
“Remove the battery pack” on page 40
“Remove the system board” on page 42
“Remove the hinge cap” on page 44
Step 1. Remove the strip cover.

Figure 27. Remove the strip cover

Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part:
strip cover

Remove the LCD unit
Make sure the following FRUs (CRUs) have been removed.
“Remove the lower case” on page 29
“Remove the DC-in bracket” on page 31
“Remove the memory shielding and memory modules” on page 31
“Remove the left SSD” on page 34
“Remove the right SSD” on page 34
“Remove the thermal module” on page 32
“Remove the Wi-Fi card” on page 36
“Remove the battery pack” on page 40
“Remove the system board” on page 42
“Remove the hinge cap” on page 44
“Remove the strip cover” on page 45
Step 1. Remove six screws.

Figure 28. Remove six screws

Step 2. Turn over the computer. Remove four screws. Then, lift the EDP cable and the camera cable.

Figure 29. Remove four screws and lift the EDP cable

Step 3. Turn over the computer. Place the computer on a flat surface as shown. Then, remove the LCD unit.

Figure 30. Remove the LCD unit

Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part:
LCD unit
Remove the upper case (with keyboard)
Make sure the following FRUs (CRUs) have been removed.
“Remove the lower case” on page 29
“Remove the DC-in bracket” on page 31
“Remove the memory shielding and memory modules” on page 31
“Remove the left SSD” on page 34
“Remove the right SSD” on page 34
“Remove the thermal module” on page 32
“Remove the touchpad bracket” on page 35
“Remove the Wi-Fi card” on page 36
“Remove the coin-cell battery” on page 38
“Remove the I/O board” on page 38
“Remove the I/O board cable” on page 39
“Remove the battery pack” on page 40
“Remove the speakers” on page 41
“Remove the system board” on page 42
“Remove the hinge cap” on page 44
“Remove the strip cover” on page 45
“Remove the LCD unit” on page 46
Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part:
Upper case (with keyboard)
Disassemble the LCD unit
The LCD unit as a whole is not a FRU. Instead, it contains FRUs as its components. Before disassembling the LCD unit, make sure it has been detached from the upper case assembly.
Remove the LCD bezel
Make sure the following FRUs (CRUs) have been removed.
“Remove the lower case” on page 29
“Remove the LCD unit” on page 46
Step 1. Remove the LCD bezel.

Figure 31. Remove the LCD bezel

Note: The LCD bezel is fragile and should be replaced if damaged.
Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part:
LCD bezel
Remove the camera bracket
Make sure the following FRUs (CRUs) have been removed.
“Remove the lower case” on page 29
“Remove the LCD unit” on page 46
“Remove the LCD bezel” on page 49
Step 1. Remove two screws and then remove the camera bracket.

Figure 32. Remove two screws and then remove the camera bracket

Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part:
Camera bracket
Remove the microphone rubbers
Make sure the following FRUs (CRUs) have been removed.
“Remove the lower case” on page 29
“Remove the LCD unit” on page 46
“Remove the LCD bezel” on page 49
“Remove the camera bracket” on page 49
Step 1. Remove the microphone rubbers from the camera board.

Figure 33. Remove the microphone rubbers

Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part:
Microphone rubbers
Remove the LCD panel
Make sure the following FRUs (CRUs) have been removed.
“Remove the lower case” on page 29
“Remove the LCD unit” on page 46
“Remove the LCD bezel” on page 49
Step 1. Remove the tapes.

Figure 34. Remove the tapes

Step 2. Pull out the removable tapes. Then, lift the LCD panel.
Note: Do not remove the LCD panel immediately at this step. Detach the cable at the back side before removing the LCD panel.

Figure 35. Pull out the removable tapes and lift the LCD panel

Step 3. Peel back the tape. Disconnect the EDP cable from the LCD panel. Then, remove the LCD panel.

Figure 36. Disconnect the EDP cable and remove the LCD panel

Notes: For LCD panel with the factory color calibration feature, do the following to install new color profiles:

1. Connect your computer to the network and close the X-Rite Color Assistant program.
2. Go to https://pcsupport.lenovo.com/us/en/downloads/DS543953 to download the installation software. Double-click the EXE file and follow the on-screen instructions to finish the installation.
3. Go to C:\Program files (x86)\X-Rite Color Assistant and locate the ProfileUpdaterForDisplayReplacement.exe file. Double-click the EXE file. Follow the on-screen instructions to input the display serial number and click Submit. You can find the display serial number and instructions on a sticker fixed to the front of the new LCD part. When the new color profiles are installed successfully, a prompted window will be displayed.

Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts:
LCD panel
Removable tapes
Remove the camera board
Make sure the following FRUs (CRUs) have been removed.
“Remove the lower case” on page 29
“Remove the LCD unit” on page 46
“Remove the LCD bezel” on page 49
“Remove the camera bracket” on page 49
“Remove the microphone rubbers” on page 50
“Remove the LCD panel” on page 51
Step 1. Disconnect the camera cable from the camera board and then remove the camera board.

Figure 37. Disconnect the camera cable and remove the camera board

Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part:
Camera board
Remove the LCD cover
Make sure the following FRUs (CRUs) have been removed.
“Remove the lower case” on page 29
“Remove the LCD unit” on page 46
“Remove the LCD bezel” on page 49
“Remove the camera bracket” on page 49
“Remove the microphone rubbers” on page 50
“Remove the LCD panel” on page 51
“Remove the camera board” on page 53
Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part:
LCD cover

Chapter 5. Label locations

Figure 38. 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 5. All base cover labels

Label| Label description| Applied country/region| Label dimensions
---|---|---|---
1| Rating label| India/China| 33 mm x 24 mm
Worldwide| 66 mm x 24 mm
 2| Print rating label| All| 43 mm x 24 mm
3| Country label| TW| 70 mm x 10 mm
Japan| 35 mm x 10 mm
Korea| 50 mm x 43 mm
Brazil| 35 mm x 15 mm
Israel/US/CA/TW| 32 mm x 10 mm
South Africa| 20 mm x 10 mm
Malaysia| 15 mm x 10 mm
Vietnam| 10 mm x 9 mm
Argentina/Belarus| 40 mm x 8 mm
 4| CO2 offset label| All| 18 mm x 18 mm
 5| GML label| All| 16 mm x 22.5 mm

Trademarks
LENOVO and the LENOVO logo are trademarks of Lenovo.
All other trademarks are the property of their respective owners. © 2023 Lenovo.

First Edition (December 2023)
© Copyright Lenovo 2023. 

References

• support.lenovo.com/us/en/solutions/HT506954
• Lenovo Computer Parts | Genuine Replacement Parts | Lenovo Support US
• X-Rite Color Assistant Setup Driver for Windows 10 (32-bit), (64-bit) and Windows 11 - Ideapad - Lenovo Support US
• Lenovo Computer Parts | Genuine Replacement Parts | Lenovo Support US

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