About this manual
Chapter 1. Safety information
Chapter 2. Important service information
- Strategy for replacing FRUs
- Strategy for replacing FRUs for CTO, special-bid, and standard models
  - Product definition
  - FRU identification
Chapter 3. General checkout
Chapter 4. Related service information
Chapter 5. Use the keyboard shortcuts
Chapter 6. Locations
Chapter 7. FRU replacement notices
Chapter 8. Removing or replacing a FRU
Appendix A. Notices

Lenovo P1 User Manual

Displayed below is the user manual for P1 by Lenovo which is a product in the Notebooks category. This manual has pages.

Related Manuals

Lenovo Lenovo Tab P11 5G Manual

Lenovo P1 Manual

P1 Gen 3 and X1 Extreme Gen 3

Hardware Maintenance Manual

Note: Before using this information and the product it supports, be sure to read the general information

under Appendix A “Notices” on page 105.

Second Edition (May 2021)

LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant to a General Services

Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS-

35F-05925.

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. Important service

information . . . . . . . . . . . . . . . 21

Strategy for replacing FRUs . . . . . . . . . . 21

Strategy for replacing an M.2 solid-state

drive . . . . . . . . . . . . . . . . . 21

Important notice for replacing a system

board . . . . . . . . . . . . . . . . . 22

How to use error message . . . . . . . . . 22

Strategy for replacing FRUs for CTO, special-bid,

and standard models. . . . . . . . . . . . . 22

Product definition . . . . . . . . . . . . 22

FRU identification . . . . . . . . . . . . 22

Chapter 3. General checkout . . . . . 25

What to do first . . . . . . . . . . . . . . . 25

Checkout guide . . . . . . . . . . . . . . . 26

Diagnosing problems . . . . . . . . . . . 26

Quick test programs . . . . . . . . . . . 27

UEFI diagnostic program . . . . . . . . . 27

Bootable diagnostic programs . . . . . . . 27

Power system checkout . . . . . . . . . . . 28

Checking the ac power adapter . . . . . . . 28

Checking the battery and operational

charging . . . . . . . . . . . . . . . . 29

Checking the coin-cell battery . . . . . . . 29

Chapter 4. Related service

information . . . . . . . . . . . . . . . 31

Reset or restore Windows . . . . . . . . . . . 31

Passwords. . . . . . . . . . . . . . . . . 31

Power-on password . . . . . . . . . . . 31

Hard disk password . . . . . . . . . . . 31

Supervisor password . . . . . . . . . . . 32

System management password. . . . . . . 32

How to remove the power-on password . . . 32

How to remove the hard disk password. . . . 33

How to remove the system management

password . . . . . . . . . . . . . . . 34

Power management . . . . . . . . . . . . . 34

Sleep mode . . . . . . . . . . . . . . 34

Hibernation mode . . . . . . . . . . . . 35

Symptom-to-FRU index . . . . . . . . . . . 35

Numeric error codes . . . . . . . . . . . 36

Error messages . . . . . . . . . . . . . 37

Beep errors. . . . . . . . . . . . . . . 38

LCD-related symptoms . . . . . . . . . . 39

Intermittent problems . . . . . . . . . . . 40

Undetermined problems . . . . . . . . . 40

Chapter 5. Use the keyboard

shortcuts . . . . . . . . . . . . . . . . 41

Chapter 6. Locations . . . . . . . . . 43

Computer controls, connectors, and indicators . . 43

Front . . . . . . . . . . . . . . . . . 43

Base . . . . . . . . . . . . . . . . . 44

Left . . . . . . . . . . . . . . . . . . 45

Right . . . . . . . . . . . . . . . . . 45

Bottom . . . . . . . . . . . . . . . . 46

Locating FRUs and CRUs . . . . . . . . . . . 46

Major FRUs . . . . . . . . . . . . . . 47

LCD FRUs . . . . . . . . . . . . . . . 49

Miscellaneous parts and other FRUs . . . . . 52

Connector and cable guide . . . . . . . . 52

Looking up FRU information . . . . . . . . . . 54

Chapter 7. FRU replacement

notices . . . . . . . . . . . . . . . . . 55

Service tool kit . . . . . . . . . . . . . . . 55

Screw notices . . . . . . . . . . . . . . . 55

Retaining serial numbers . . . . . . . . . . . 56

Restoring the serial number of the system

unit . . . . . . . . . . . . . . . . . . 56

Retaining the UUID. . . . . . . . . . . . 57

Reading or writing the ECA information . . . . 58

Chapter 8. Removing or replacing a

FRU. . . . . . . . . . . . . . . . . . . 59

General guidelines. . . . . . . . . . . . . . 59

Before servicing the computer . . . . . . . . . 60

Disabling the built-in battery . . . . . . . . 60

Removing the media card . . . . . . . . . 60

Removing a major FRU . . . . . . . . . . . . 60

1010 Base cover assembly . . . . . . . . 61

1020 Nano-SIM-card tray (for selected

models) . . . . . . . . . . . . . . . . 62

1030 Wireless WAN card . . . . . . . . . 62

1040 Memory module . . . . . . . . . . 62

1050 Built-in battery . . . . . . . . . . . 63

1060 Thermal fan assembly . . . . . . . . 65

1070 Speaker assembly . . . . . . . . . . 67

1080 Coin-cell battery . . . . . . . . . . 68

1090 M.2 solid-state drive . . . . . . . . . 68

1100 Proximity sensor cable . . . . . . . . 70

1110 dc-in bracket and dc-in cable . . . . . 71

1120 Keyboard subcard and keyboard-

subcard cable. . . . . . . . . . . . . . 72

1130 Trackpad and trackpad cable . . . . . 73

1140 Fingerprint reader assembly and

fingerprint reader bracket . . . . . . . . . 74

1150 LCD unit . . . . . . . . . . . . . 75

1160 System board and side USB

connectors . . . . . . . . . . . . . . . 77

1170 Keyboard assembly . . . . . . . . . 81

Removing an LCD FRU for models without a touch

panel . . . . . . . . . . . . . . . . . . . 81

2010 LCD bezel sheet, strip cover, and

ThinkShutter . . . . . . . . . . . . . . 81

2020 Hinges . . . . . . . . . . . . . . 83

2030 LCD panel assembly and LCD cable. . . 84

2040 Camera card . . . . . . . . . . . . 86

2050 LED cable . . . . . . . . . . . . . 88

2060 WLAN antenna kit and LCD rear cover

assembly . . . . . . . . . . . . . . . 90

Removing an LCD FRU for models with touch

panel . . . . . . . . . . . . . . . . . . . 93

3010 Strip cover . . . . . . . . . . . . . 93

3020 LCD panel assembly and LCD cable. . . 94

3030 Hinges . . . . . . . . . . . . . . 97

3040 Infrared camera card and

ThinkShutter . . . . . . . . . . . . . . 98

3050 Infrared LED cable. . . . . . . . . . 99

3060 WLAN antenna kit and LCD rear cover

assembly . . . . . . . . . . . . . . . 101

Appendix A. Notices. . . . . . . . . . 105

ii P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

About this manual

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

ThinkPad P1 Gen 3 Machine Types: 20TH and 20TJ

ThinkPad X1 Extreme Gen 3 Machine Types: 20TK and 20TL

Use this manual along with the advanced diagnostic tests to troubleshoot problems.

• This manual is intended only for trained service technicians who are familiar with ThinkPad products. Use

this manual along with the advanced diagnostic tests to troubleshoot problems effectively.

• Depending on the model, some hardware configuration and software programs might not be available on

the computer. Some statements in this manual might not be applicable to the computer.

• Before servicing a ThinkPad product, be sure to read all the information under Chapter 1 “Safety

information” on page 1 and Chapter 2 “Important service information” on page 21.

iv P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

Chapter 1. Safety information

This chapter presents following safety information that you must be familiar with before you service a

ThinkPad notebook computer.

• “General safety” on page 1

• “Electrical safety” on page 1

• “Safety inspection guide” on page 2

• “Handling devices that are sensitive to electrostatic discharge” on page 3

• “Grounding requirements” on page 4

• “Safety notices (multilingual translations)” on page 4

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 toolcase 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 nonconductive 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 have 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,

nongrounded 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-ThinkPad 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.

2P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

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 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 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: https://

support.lenovo.com/partslookup

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-ThinkPad alterations. Use good judgment as to the safety of any non-

ThinkPad 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.

Chapter 1.Safety information 3

– 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

4P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

DANGER

Chapter 1.Safety information 5

6P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

PERIGO

Chapter 1.Safety information 7

PERIGO

8P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

PERIGO

DANGER

Chapter 1.Safety information 9

DANGER

VORSICHT

10 P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

VORSICHT

Chapter 1.Safety information 11

VORSICHT

12 P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

Chapter 1.Safety information 13

14 P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

Chapter 1.Safety information 15

16 P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

Chapter 1.Safety information 17

18 P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

Chapter 1.Safety information 19

20 P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

Chapter 2. Important service information

This chapter introduces following important service information that applies to all machine types supported

by this manual:

• “Strategy for replacing FRUs” on page 21

– “Strategy for replacing an M.2 solid-state drive” on page 21

– “Important notice for replacing a system board” on page 22

– “How to use error message” on page 22

• “Strategy for replacing FRUs for CTO, special-bid, and standard models” on page 22

– “Product definition” on page 22

– “FRU identification” on page 22

Important:

• Advise customers to contact the Lenovo® Support Web site at http://www.lenovo.com/support to view

the software fixes, download the drivers, and follow the on-screen instructions to install the drivers. For

additional assistance, customers might call the Lenovo Customer Support Center. Telephone numbers for

the Lenovo Support Center are available at:

https://pcsupport.lenovo.com/supportphonelist

• Service training documents for Lenovo authorized service technicians are available at the following Web

site. The disassembly and reassembly videos that show the FRU removal and replacement procedures

are contained in the documents.

https://www.lenovoservicetraining.com/ion/

Strategy for replacing FRUs

Before replacing parts:

Ensure that all software fixes, drivers, and UEFI BIOS downloads are installed before replacing any FRUs

listed in this manual.

After a system board is replaced, ensure that the latest UEFI BIOS is loaded to the system board before

completing the service action.

To download software fixes, drivers, and UEFI BIOS, go to https://support.lenovo.com and follow the

instructions on the screen.

Use the following strategy to prevent unnecessary expense for replacing and servicing FRUs:

• If you are instructed to replace a FRU but the replacement does not correct the problem, reinstall the

original FRU before you continue.

• Some computers have both a processor board and a system board. If you are instructed to replace either

the processor board or the system board, and replacing one of them does not correct the problem,

reinstall that board, and then replace the other one.

• If an adapter or a device consists of more than one FRU, any of the FRUs may be the cause of the error.

Before replacing the adapter or device, remove the FRUs, one by one, to see if the symptoms change.

Replace only the FRU that changed the symptoms.

Strategy for replacing an M.2 solid-state drive

Always try to run a low-level format before replacing an M.2 solid-state drive (SSD). This will cause all

customer data on the M.2 SSD to be lost. Be sure that the customer has a current backup of the data before

doing this task.

Attention: The drive startup sequence in the computer you are servicing may have been changed. Be

extremely careful during write operations such as copying, saving, or formatting. If you select an incorrect

drive, data or programs can be overwritten.

Important notice for replacing a system board

Some components mounted on a system board are very sensitive. Improper handling of a system board can

damage those components, and may cause a system malfunction.

Attention: When handling a system board:

• Do not drop a system board or apply any excessive force to it.

• Avoid rough handling of any kind.

• Avoid bending a system board and hard pushing to prevent cracking at each BGA (Ball Grid Array)

chipset.

How to use error message

Use the error codes displayed on the screen to diagnose failures. If more than one error code is displayed,

begin the diagnosis with the first error code. Whatever causes the first error code may also cause false error

codes. If no error code is displayed, see whether the error symptom is listed in the Symptom-to-FRU Index

for the computer you are servicing.

Strategy for replacing FRUs for CTO, special-bid, and standard models

This topic provides information about the model types and FRU identification.

Product definition

This topic introduces different model types and how to identify each type.

Dynamic configure-to-order (CTO) model

This model provides the ability for a customer to configure a Lenovo solution from a Web site, and have this

configuration sent to fulfillment, where it is built and shipped directly to the customer. The machine label and

eSupport will load these products as the 4-character MT, 4-character model, and 2-character country code.

The model is “CTO1” and the default country code is “WW” (example: 20A7CTO1WW).

Special-bid model

This is a unique configuration that has been negotiated between Lenovo and the customer. A unique

machine type model (MTM) consists of a 4-character MT, a 4-character model, and a numeric 2-character

country code is provided to the customer to place orders (example: 20A7000955). The country code

assigned is numeric and does not designate a specific country or region. The custom model factsheet for the

MTM indicates which country the special bid MTM is set up for. Special-bid offering is not generally

announced.

Standard model

Standard models (fixed configuration) are announced and offered to all customers. The MTM portion of the

machine label consists of a 4-character MT, a 4-character model, and an alphabetic 2-character country

code. The country code assigned is alphabetic and represents a designated country or region (example:

20A70009UK).

FRU identification

To identify FRUs for a product, do the following:

1. Go to https://support.lenovo.com/partslookup.

22 P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

2. Type the Machine Type in the corresponding field to get a general FRU list. Or type the Serial Number for

more detailed FRU information.

Chapter 2.Important service information 23

24 P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

Chapter 3. General checkout

This chapter introduces following information:

• “What to do first” on page 25

• “Checkout guide” on page 26

– “Diagnosing problems” on page 26

– “Quick test programs” on page 27

– “UEFI diagnostic program” on page 27

– “Bootable diagnostic programs” on page 27

• “Power system checkout” on page 28

Before you go to the checkout guide, be sure to 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.

• When you replace FRUs, it is recommended use new nylon-coated screws.

• Be extremely careful during such write operations as copying, saving, or formatting. The sequence

of the drives in the computer that you are servicing might have been altered. If you select an incorrect

drive, data or programs might be overwritten.

• Replace a FRU only with another FRU of the correct model. When you replace a FRU, ensure that the

model of the machine and the FRU part number are correct by referring to the Web site: https://

support.lenovo.com/partslookup

• A FRU should not be replaced because of a single, unreproducible failure. Single failures can occur

for various 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 PC card or the installation of an incompatible card

• Improper disc insertion or use of an optical drive

• Fuses blown by attachment of a nonsupported 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 nonwarranted 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.

Checkout guide

Use the following procedures as a guide in identifying and correcting problems with the ThinkPad notebook

computers.

Note: The diagnostic tests are intended to test only ThinkPad products. The use of non-ThinkPad products,

prototype cards, or modified options can lead to false indications of errors and invalid system responses.

1. Identify the failing symptoms in as much detail as possible.

2. Verify the symptoms. Try to re-create the failure by running the diagnostic test or by repeating the

operation.

Diagnosing problems

Many computer problems can be solved without outside assistance. If you experience a problem with your

computer, the first place to start is the troubleshooting information in your computer documentation. If you

suspect a software problem, see the documentation, including readme files and help information systems,

that come with the operating system or program.

Note: If you are unable to isolate and repair the problem yourself after running Lenovo Companion, save and

print the log files created by the program. You need the log files when you speak to a Lenovo technical

support representative.

Lenovo Companion supports the hardware scan function. It combines diagnostic tests, system information

collection, security status, and support information, along with hints and tips for optimal system

performance.

The troubleshooting information or the diagnostic programs might tell you that you need additional or

updated device drivers or other software. You can get the latest technical information and download device

drivers and updates from the Lenovo Support Web site at:

https://support.lenovo.com

For additional information, see the help system of the program.

26 P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

Quick test programs

Lenovo provides quick test programs to troubleshoot and resolve computer problems, especially when the

computer does not have the Lenovo Solution Center program installed.

To download and install a quick test program, go to https://www.lenovo.com/diags, and follow the instructions

on the Web site.

To run a test using quick test program, do the following:

1. Go to the C:\SWTOOLS\ldiag directory.

2. Double-click the gui_lsc_lite.exe file.

3. When the User Account Control window opens, click Yes.

4. Select the device class to be tested.

5. Select the devices to be tested.

6. Select the test to be performed.

7. Follow the instructions on the screen to start the test. When a problem is detected, information

messages are displayed. Refer to the messages to troubleshoot the problem.

UEFI diagnostic program

A UEFI diagnostic program is preinstalled on the computer. It enables you to test internal storage devices,

view system information, and check and recover bad sectors on internal storage devices.

To run the UEFI diagnostic program, do the following:

1. Turn on the computer. If the computer cannot be turned on, go to “Power system checkout” on page 28,

and check the power sources. If an error code is displayed, go to “Symptom-to-FRU index” on page 35

for error code descriptions and troubleshooting hints.

2. When the ThinkPad logo is displayed, repeatedly press and release the F10 key. The main screen of the

UEFI diagnostic program is displayed.

3. Follow the instructions on the screen to use the diagnostic program.

Bootable diagnostic programs

If the computer you are servicing is not installed with the UEFI diagnostic program, you can download a

bootable diagnostic program from the Lenovo Support Web site. The bootable diagnostic programs enable

you to test computer memory and internal storage devices, view system information, and check and recover

the internal storage devices. To use the bootable diagnostic programs, you can create a bootable diagnostic

medium on a USB device or CD.

To create a bootable diagnostic medium, do the following:

1. Go to https://www.lenovo.com/diags.

2. Click Lenovo Bootable Diagnostics.

3. Follow the instructions on the Web site to create a bootable diagnostic medium on a USB device or CD.

To use the diagnostic medium you have created, do one of the following:

• If you have created the bootable diagnostic medium on a USB device, do the following:

1. Attach the USB device to the computer.

2. Turn on the computer. If the computer cannot be turned on, go to “Power system checkout” on page

28, and check the power sources. If an error code is displayed, go to “Symptom-to-FRU index” on

page 35 for error code descriptions and troubleshooting hints.

Chapter 3.General checkout 27

3. When the ThinkPad logo is displayed, repeatedly press and release the F12 key. When the Boot Menu

window opens, release the F12 key.

4. Use the arrow keys to select USB HDD and then press Enter. The diagnostic program will be

launched automatically.

5. Follow the instructions on the screen to use the diagnostic program.

• If you have created the bootable diagnostic medium on a CD, do the following:

1. Turn on the computer. If the computer cannot be turned on, go to “Power system checkout” on page

28, and check the power sources. If an error code is displayed, go to “Symptom-to-FRU index” on

page 35 for error code descriptions and troubleshooting hints.

2. Insert the CD into the external optical drive.

3. Restart the computer.

4. When the ThinkPad logo is displayed, repeatedly press and release the F12 key. When the Boot Menu

window opens, release the F12 key.

5. Use the arrow keys to select ATAPI CDx (x: 0, 1, ...) and then press Enter. The diagnostic program will

be launched automatically.

6. Follow the instructions on the screen to use the diagnostic program.

Power system checkout

To verify if a battery and an ac power adapter are functional, do the following:

1. Turn off the computer.

2. Connect the ac power adapter.

3. Turn on the computer. If the computer can be turned on, it means that either the battery or the ac power

adapter is functional.

4. Insert a straightened paper clip into the emergency reset hole to reset the computer. If the computer is

still powered on, it means that the ac power adapter is functional.

5. Turn off the computer.

6. Disconnect the ac power adapter and turn on the computer. If the computer can be turned on, it means

that the battery is functional.

If you suspect a power problem, see the appropriate one of the following power supply checkouts:

• “Checking the ac power adapter” on page 28

• “Checking the battery and operational charging” on page 29

• “Checking the coin-cell battery” on page 29

Checking the ac power adapter

You are here because the computer fails only when the ac power adapter is used.

• If the power problem occurs only when the docking station or the port replicator is used, replace the

docking station or the port replicator.

• If the system status indicator does not blink three times when an ac power source is connected, check the

power cord of the ac power adapter for correct continuity and installation.

• If the computer does not charge during operation, go to “Checking the battery and operational charging”

on page 29.

Note: Noise from the ac power adapter does not always indicate a defect.

Checking the USB-C type ac power adapter

To check the USB-C type ac power adapter, do the following:

1. Connect the computer to a power outlet and turn on the computer.

2. Start Lenovo Companion program, and then click Hardware Settings ➙ Power. The ac power adapter

information is displayed.

28 P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

Ensure that you use the USB-C type ac power adapter that is shipped with the computer to provide enough

power to the computer. Otherwise, a message will be displayed, prompting you that the computer will not be

charged or will be charged slowly.

Checking the battery and operational charging

Checking the battery

This system supports only batteries specially designed for this specific system and manufactured by Lenovo

or an authorized builder. The system does not support unauthorized batteries or batteries designed for other

systems. If an unauthorized battery or a battery designed for another systems is installed, the system will not

charge.

Attention: Lenovo has no responsibility for the performance or safety of unauthorized batteries, and

provides no warranties for failures or damage arising out of their use.

Move your pointer to the battery-status icon in the Windows® notification area to check the battery status.

The battery-status icon displays the percentage of battery power remaining and how long you can use your

computer before you must charge the battery.

Checking the operational charging

To check whether the battery charges properly during operation, do the following:

1. Discharge the battery until the remained battery power is less than 50%.

2. Perform operational charging. Click the battery status icon in the Windows notification area to display

detailed battery information. If it indicates that the battery is not charging, replace the battery.

3. Check the battery status again. If the same error still exists, replace the system board.

Checking the coin-cell battery

To check the coin-cell battery, do the following:

1. Disable the built-in battery. See “Disabling the built-in battery” on page 60.

2. Remove the coin-cell battery. See “1160 System board and side USB connectors” on page 77.

3. Measure the voltage of the coin-cell battery. See the following illustration.

Wire Voltage (V dc)

Red +2.5 to +3.2

Black Ground

• If the voltage is correct, replace the system board.

• If the voltage is not correct, replace the coin-cell battery.

• If the coin-cell battery discharges quickly after replacement, replace the system board.

Chapter 3.General checkout 29

30 P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

Chapter 4. Related service information

This chapter presents following information:

• “Reset or restore Windows” on page 31

• “Passwords” on page 31

• “Power management” on page 34

• “Symptom-to-FRU index” on page 35

Service Web site: When the latest maintenance diskette and the system program service diskette become

available, they will be posted on https://support.lenovo.com

Reset or restore Windows

To reset or restore Windows, refer to the information below：

• Use Lenovo recovery options.

1. Go to https://support.lenovo.com/HowToCreateLenovoRecovery.

2. Follow the on-screen instructions.

• Use Window recovery options.

1. Go to https://pcsupport.lenovo.com.

2. Detect your computer or manually select your computer model.

3. Click Diagnostics ➙ Operating system Diagnostics and then follow the on-screen instructions.

Passwords

As many as three passwords may be needed for any ThinkPad notebook computer: the power-on password,

the hard disk password, the supervisor password, and the system management password.

If any of these passwords has been set, a prompt for it will be displayed on the screen whenever the

computer is turned on. The computer does not start until the password is entered.

Note: If only a supervisor password is set, the password prompt will not be displayed when the operating

system is started.

Power-on password

A power-on password protects the system from being powered on by an unauthorized person. The

password must be entered before an operating system can be started. For instructions on how to remove the

power-on password, see “How to remove the power-on password” on page 32.

Hard disk password

There are two kinds of hard disk passwords:

• User hard disk password - for the user

• Master hard disk password - for the system administrator, who can use it to get access to the hard disk

even if the user has changed the user hard disk password

Note: There are two modes for the hard disk password: User only and Master + User. The Master + User

mode requires two hard disk passwords; the system administrator enters both in the same operation. The

system administrator then provides the user hard disk password to the system user.

Attention: If the user hard disk password has been forgotten, check whether a master hard disk password

has been set. If it has, it can be used for access to the hard disk drive. If no master hard disk password is

available, neither Lenovo nor Lenovo authorized service technicians provide any services to reset either the

user or the master hard disk password, or to recover data from the hard disk drive. The hard disk drive can

be replaced for a scheduled fee.

For how to remove the hard disk password, see “How to remove the hard disk password” on page 33.

Supervisor password

The supervisor password protects the system information stored in the ThinkPad Setup program. It provides

the following security features:

• If only a supervisor password is set, a password prompt is displayed when you try to start the ThinkPad

Setup program. Unauthorized users cannot change most of the system configuration options in the

ThinkPad Setup program without the password.

• The system administrator can use the supervisor password to access a computer even if the user of that

computer has set a power-on password. The supervisor password overrides the power-on password.

• The system administrator can set the same supervisor password on many ThinkPad notebook computers

to make administration easier.

Attention: If the supervisor password has been forgotten and cannot be made available to the service

technician, there is no service procedure to reset the password. The system board must be replaced for a

scheduled fee.

System management password

The system management password can also protect the system information stored in UEFI BIOS like a

supervisor password, but it has lower authority by default. The system management password can be set

through the UEFI BIOS menu or through Windows Management Instrumentation (WMI) with the Lenovo

client-management interface.

You can enable the system management password to have the same authority as the supervisor password

to control security related features. To customize the authority of the system management password through

the UEFI BIOS menu:

1. Enter the UEFI BIOS menu.

Note: When you are prompted by the icon , enter the correct supervisor password if a supervisor

password has been set, or enter the correct system management password if no supervisor password

has been set. Otherwise, you cannot change the configurations in the following steps.

2. Select Security ➙ Password ➙ System Management Password Access Control.

3. Follow the on-screen instructions.

If you have set both the supervisor password and the system management password, the supervisor

password overrides the system management password. If you have set both the system management

password and the power-on password, the system management password overrides the power-on

password.

How to remove the power-on password

To remove a power-on password, do the following:

If no supervisor password has been set, do the following to remove the power-on password:

32 P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

1. Turn off the computer and disconnect ac power.

2. Disable the built-in battery. See “Disabling the built-in battery” on page 60.

3. Remove the base cover assembly. See “1010 Base cover assembly” on page 61.

4. Remove the internal battery pack. See “1050 Built-in battery” on page 63.

5. Remove the coin-cell battery. See “1080 Coin-cell battery” on page 68.

6. Reinstall the coin-cell battery.

7. Reinstall the internal battery pack.

8. Reinstall the base cover assembly.

9. Reconnect ac power.

10. Turn on the computer and wait until the POST ends. After the POST ends, the password prompt does

not appear. The power-on password has been removed.

If a supervisor password or a system management password has been set and is known to the service

technician, do the following to remove the power-on password:

1. Turn on the computer.

2. When the ThinkPad logo is displayed, immediately press F1.

3. Type the supervisor password to enter the ThinkPad Setup program.

4. Select Security.

5. Select Password.

6. Select Power-On Password.

7. Type the current supervisor password or the system management password in the Enter Current

Password field. Then leave the Enter New Password field blank, and press Enter twice.

8. In the Changes have been saved window, press Enter.

9. Press F10 to save changes and exit the ThinkPad Setup program. The power-on password has been

removed.

How to remove the hard disk password

Attention: If User only mode is selected and the user hard disk password has been forgotten and cannot be

made available to the service technician, neither Lenovo nor Lenovo authorized service technicians provide

any services to reset the user hard disk passwords, or to recover data from the hard disk drive. To put the

system back to operational status, the only Lenovo and Lenovo-authorized service solution would be to

replace the hard disk drive (HDD) or SSD with a scheduled fee.

To remove a user hard disk password that has been forgotten, when the supervisor password and master

hard disk password are known, do the following:

1. Turn on the computer.

2. When the ThinkPad logo comes up, immediately press F1 to enter the ThinkPad Setup program. When

the power-on password icon is displayed on the screen, enter either the power-on password or the

supervisor password.

3. When the user hard disk password icon is displayed on the screen, press F1. The master hard disk

password icon is displayed.

4. Enter the master hard disk password to enter the ThinkPad Setup program.

5. Select Security.

6. Select Password.

7. Select Hard-disk x password, where x is the letter of the hard disk drive. A pop-up window opens.

8. Select Master hard disk password.

9. Type the current master hard disk password in the Enter Current Password field. Then leave the Enter

New Password field blank, and press Enter twice.

Chapter 4.Related service information 33

10. Press F10 to save changes and exit the ThinkPad Setup program. The user hard disk password and the

master hard disk password have been removed.

How to remove the system management password

To remove a system management password, do the following:

If no supervisor password has been set, do the following to remove the system management password:

1. Turn off the computer and disconnect ac power.

2. Disable the built-in battery. See “Disabling the built-in battery” on page 60.

3. Remove the base cover assembly. See “1010 Base cover assembly” on page 61.

4. Remove the built-in battery. See “1050 Built-in battery” on page 63.

5. Remove the coin-cell battery. See “1080 Coin-cell battery” on page 68.

6. Reinstall the coin-cell battery.

7. Reinstall the built-in battery.

8. Reinstall the base cover assembly.

9. Reconnect ac power.

10. Turn on the computer and wait until the POST ends. After the POST ends, the password prompt does

not appear. The system management password has been removed.

If a supervisor password has been set and is known to the service technician, do the following to remove the

system management password:

1. Turn on the computer.

2. When the ThinkPad logo is displayed, immediately press F1.

3. Type the supervisor password to enter the ThinkPad Setup program.

4. Select Security.

5. Select Password.

6. Select System Management Password.

7. Type the current supervisor password in the Enter Current Password field. Then leave the Enter New

Password field blank, and press Enter twice.

8. In the Changes have been saved window, press Enter.

9. Press F10 to save changes and exit the ThinkPad Setup program. The system management password

has been removed.

Power management

To reduce power consumption, the computer has three power management modes: screen blank, sleep, and

hibernation.

Sleep mode

When the computer enters sleep mode, the following events occur in addition to what occurs in screen blank

mode:

• The LCD is powered off.

• The storage drive is powered off.

• The microprocessor stops.

To enter sleep mode, press Fn+4 or do the following:

34 P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

• For Windows 7: Open the Start menu, then click the arrow next to the Shut down button. Click Sleep

from the menu displayed.

• For Windows 10: Open the Start menu, click Power, and then click Sleep.

In certain circumstances, the computer goes into sleep mode automatically:

• After a period of inactivity specified in power plan settings

• When the battery power is low

To resume the computer from sleep mode, press the power button.

Also, in either of the following events, the computer automatically returns from sleep mode and resumes

operation:

• The ring indicator (RI) is signaled by a serial device or a PC Card device.

• The time set on the resume timer elapses.

Note: The computer does not accept any input immediately after it enters sleep mode. Wait a few

seconds before taking any action to reenter operation mode.

Hibernation mode

In hibernation mode, the following occurs:

• The system status, RAM, VRAM, and setup data are stored on the hard disk.

• The system is powered off.

Note: If the computer enters the hibernation mode while it is docked to the docking station, do not undock it

before resuming normal operation. If you do undock it and then try to resume normal operation, you will get

an error message, and you will have to restart the system.

If you have defined one of the following actions as the event that causes the system to go into hibernation

mode, perform that action.

• Closing the lid.

• Pressing the power button.

Also, the computer goes into hibernation mode automatically after a period of inactivity specified in power

plan settings.

When the power is turned on, the computer returns from hibernation mode and resumes operation. The

hibernation file in the boot record on the hard disk drive is read, and system status is restored from the hard

disk drive.

Symptom-to-FRU index

This section contains following information:

• “Numeric error codes” on page 36

• “Error messages” on page 37

• “Beep errors” on page 38

• “LCD-related symptoms” on page 39

• “Intermittent problems” on page 40

• “Undetermined problems” on page 40

The symptom-to-FRU index in this section lists symptoms and errors and their possible causes. The most

likely cause is listed first, in boldface type.

Chapter 4.Related service information 35

Note: Do the FRU replacement or other actions in the sequence shown in the column headed “FRU or

action, in sequence.” If replacing a FRU does not solve the problem, put the original part back in the

computer. Do not replace a nondefective FRU.

This index can also help you determine, during regular servicing, what FRUs are likely to need to be replaced

next.

A numeric error is displayed for each error detected in POST or system operation. In the displays, n can be

any number.

If no numeric code is displayed, check the narrative descriptions of symptoms. If the symptom is not

described there, go to “Intermittent problems” on page 40.

Note: For a device not supported by diagnostic codes in the ThinkPad notebook computers, see the manual

for that device.

Numeric error codes

Table 1. Numeric error codes

Symptom or error FRU or action, in sequence

0177

Bad SVP data, stop POST task—The checksum of the

supervisor password in the EEPROM is not correct.

System board

0183

Bad CRC of Security Settings in EFI Variable. Enter the

ThinkPad Setup program.

1. Run the ThinkPad Setup program, and then save

current setting by pressing F10.

2. System board

0187

EAIA data access error—The access to EEPROM is failed. System board

0188

Invalid RFID Serialization Information Area. System board

0189

Invalid RFID configuration information area—The

EEPROM checksum is not correct.

System board

0190

Critical low-battery error

1. Charge the battery.

2. Battery

0191

System Security—Invalid Remote Change requested.

1. Run the ThinkPad Setup program, and then save

current setting by pressing F10.

2. System board

0199

System Security— Security password retry count

exceeded.

1. Run the ThinkPad Setup program, and then save

the current setting by pressing F10.

2. System board

0270

Real Time Clock Error— System Real Time Clock is not

functional.

Have the computer serviced.

0271

Check Date and Time settings— Neither the date nor the

time is set in the computer.

Set the date and time, using ThinkPad Setup.

1802

Unauthorized network card is plugged in—Turn off and

remove the network card.

1. Remove wireless network card.

2. System board

36 P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

Table 1. Numeric error codes (continued)

Symptom or error FRU or action, in sequence

1820

More than one external fingerprint reader is attached.

Power off and remove all but the reader that you set up

within your main operating system.

Remove all but the reader that you set up for the

authentication.

2101

Detection error on SSD1 (M.2)

1. Reseat the M.2 solid-state drive.

2. M.2 solid-state drive

3. System board

2102

Detection error on SSD2 (M.2)

1. Reseat the M.2 solid-state drive.

2. M.2 solid-state drive

3. System board

2111

Read error on SSD1 (M.2)

1. Reseat the M.2 solid-state drive.

2. M.2 solid-state drive

3. System board

2112

Read error on SSD2 (M.2)

1. Reseat the M.2 solid-state drive.

2. M.2 solid-state drive

3. System board

2200

Machine Type and Serial Number are invalid. System board

2201

Machine UUID is invalid System board

Error messages

Table 2. Error messages

Symptom or error FRU or action, in sequence

Fan error 1. Fan

2. Thermal grease

3. System board

Thermal sensing error System board

Chapter 4.Related service information 37

Table 2. Error messages (continued)

Symptom or error FRU or action, in sequence

Bottom cover tamper detection error System board

Error: The non-volatile system UEFI variable storage is

nearly full.

Note:

This error indicates that the operating system or

programs cannot create, modify, or delete data in the

non-volatile system UEFI variable storage due to

insufficient storage space after POST.

The non-volatile system UEFI variable storage is used by

the UEFI BIOS and by the operating system or programs.

This error occurs when the operating system or programs

store large amounts of data in the variable storage. All

data needed for POST, such as BIOS setup settings,

chipset, or platform configuration data, are stored in a

separate UEFI variable storage.

Press F1 after the error message is displayed to enter

ThinkPad Setup. A dialog asks the user for confirmation

to clean up the storage. If the user selects “Yes”, all data

that were created by the operating system or programs

will be deleted except global variables defined by the

Unified Extensible Firmware Interface Specification. If the

user selects “No”, all data will be kept, but the operating

system or programs will not be able to create, modify, or

delete data in the storage.

If this error happens at a service center, Lenovo

authorized service personnel will clean up the non-volatile

system UEFI variable storage using the preceding

solution.

Beep errors

Lenovo SmartBeep technology enables you to decode beep errors with your smartphone when a black

screen occurs with beeps from your computer. To decode the beep error with Lenovo SmartBeep

technology, do the following:

1. Go to https://support.lenovo.com/smartbeep or scan the following QR Code.

2. Download the proper diagnostic app and install it on your smartphone.

3. Run the diagnostic app and place the smartphone near the computer.

4. Press the Fn key on your computer to emit the beep again. The diagnostic app decodes the beep error

and shows possible solutions on the smartphone.

The following section describes some beep errors and the corresponding solutions.

38 P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

Note: Do not attempt to service a product yourself unless instructed to do so by the Customer Support

Center or product documentation. Only use a Lenovo-authorized service provider to repair your product.

Error codes Solutions

0001: Reset error (platform reset not de-asserted) 1. Remove all power resources: the ac power

adapter, and the coin-cell battery (service provider

only). Reset the computer by inserting a

straightened paper clip into the emergency-reset

hole. Wait for one minute. Then reconnect all

power resources.

2. Replace the system board (service provider only).

0002: Internal bus error Replace the system board (service provider only).

0281: General embedded controller error Replace the system board (service provider only).

0282: Memory module error 1. Reinstall or replace the memory module (service

provider only).

2. Replace the system board (service provider only).

0283: PCI resource error 1. Remove PCIe devices (the M.2 card, PCIe card,

and so on) (service provider only).

2. Replace the system board (service provider only).

0284: TCG-compliant functionality-related error (might be

the BIOS code validation failure) Replace the system board (service provider only).

0285: TCG-compliant functionality-related error (might be

the TPM initialization failure) Replace the system board (service provider only).

0286: Integrated graphics error Replace the system board (service provider only).

0287: Discrete graphics error 1. Reinstall or replace the discrete graphics card

(service provider only).

2. Replace the system board (service provider only).

0288: Computer display error 1. Reconnect the display cable on both the system

board side and the computer display side (service

provider only).

2. Replace the system board (service provider only).

LCD-related symptoms

Important: The TFT LCD for the notebook computer contains many thin-film transistors (TFTs). The

presence of a small number of dots that are missing, discolored, or always lighted is characteristic of TFT

LCD technology, but excessive pixel problems can cause viewing concerns.If the LCD you are servicing has

two or less visible defective pixels, it should not be considered faulty. However, if the LCD has three or more

visible defective pixels, it will be deemed as defective by Lenovo and it should be replaced.

Notes:

• This policy applies to all ThinkPad notebooks purchased on 1 January, 2008 or later.

• Lenovo will not provide warranty replacement if the LCD is within specifications because we cannot

guarantee that any replacement LCD will have zero pixel defects.

• One pixel consists of R, G, B sub-pixels.

Chapter 4.Related service information 39

Table 3. LCD-related symptoms

Symptom or error FRU or action, in sequence

No beep, power-on indicator on, and a blank LCD during

POST. Replace the system board.

• LCD backlight not working.

• LCD too dark.

• LCD brightness cannot be adjusted.

• LCD contrast cannot be adjusted.

1. Reseat the LCD connectors.

2. Replace the LCD assembly.

3. Replace the system board.

• LCD screen unreadable.

• Characters missing pixels.

• Screen abnormal.

• Wrong color displayed.

1. See important note for “LCD-related symptoms.”

2. Reseat the LCD connectors.

3. Replace the LCD assembly.

4. Replace the system board.

Horizontal or vertical lines displayed on LCD. Replace the LCD assembly.

Intermittent problems

Intermittent system hang problems can be due to a variety of causes that have nothing to do with a hardware

defect, such as cosmic radiation, electrostatic discharge, or software errors. FRU replacement should be

considered only when a problem recurs.

When analyzing an intermittent problem, do the following:

1. Run the diagnostic test for the system board in loop mode at least 10 times.

2. If no error is detected, do not replace any FRUs.

3. If any error is detected, replace the FRU shown by the FRU code. Rerun the test to verify that no more

errors exist.

Undetermined problems

If the diagnostic tests did not identify the adapter or device that has failed, if wrong devices are installed, or if

the system simply is not operating, follow these procedures to isolate the failing FRU (do not isolate FRUs

that have no defects).

Verify that all attached devices are supported by the computer.

Verify that the power supply being used at the time of the failure is operating correctly. See “Power system

checkout” on page 28.

1. Turn off the computer.

2. Visually check each FRU for damage. Replace any damaged FRU.

3. Remove or disconnect all of the following devices:

a. Non-ThinkPad devices

b. Printer, mouse, and other external devices

c. External diskette drive or optical drive

d. Wireless cards

4. Turn on the computer.

5. Determine whether the problem has been solved.

6. If the problem does not recur, reconnect the removed devices one at a time until you find the failing FRU.

7. If the problem remains, replace the following FRUs one at a time (do not replace a nondefective FRU):

a. System board

b. LCD assembly

40 P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

Chapter 5. Use the keyboard shortcuts

The special keys on the keyboard help you work more easily and effectively.

https://support.lenovo.com/us/en/videos/vid500145

1. Windows logo key

Open the Start menu.

For information about using this key with other keys, see the Windows help

information.

2. Caps Lock key

Switch the letter case between the upper case and lower case.

When the key indicator is on, you can type uppercase letters.

3. F1–F12 function keys

Invoke the special function printed as an icon on each key or standard function.

To choose whether to invoke the special function or standard function:

1. Go to Control Panel and view by Large icons or Small icons.

2. Click Keyboard or Lenovo - Keyboard Manager and select the option of

your preference.

Switch the function of the F1–F12 keys between the standard function and special

function printed as an icon on each key.

When the Fn Lock indicator is on:

• Press F1-F12 to use the standard function.

• Press Fn+F1-F12 to use the special function.

When the Fn Lock indicator is off:

• Press Fn+F1-F12 to use the standard function.

• Press F1-F12 to use the special function.

Mute or unmute the speakers.

When the key indicator is on, the speakers are muted.

If you mute the speakers and turn off your computer, the speakers remain muted

when you turn on your computer.

Decrease the speaker volume.

Increase the speaker volume.

Mute or unmute the microphones.

When the key indicator is on, the microphones are muted.

Darken the computer display.

Brighten the computer display.

Manage external displays.

Enable or disable the built-in wireless features.

Open or collapse the notification center.

Answer incoming calls on Microsoft Teams.

Decline incoming calls on Microsoft Teams.

Invoke the function defined by yourself.

You can define different functions for the F12 key on Lenovo Vantage.

Open the Snipping Tool program.

Fn+Spacebar Switch between different keyboard backlight statuses if your computer supports

keyboard backlight.

Fn+B Equal the Break key on a conventional external keyboard.

Fn+K Equal the ScrLK or Scroll Lock key on a conventional external keyboard.

Fn+P Equal the Pause key on a conventional external keyboard.

Fn+S Equal the SysRq key on a conventional external keyboard.

Fn+4 Put the computer to sleep mode. To wake up the computer, press Fn or the power

button.

Fn+Left arrow key Equal the Home key.

Fn+Right arrow key Equal the End key.

42 P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

Chapter 6. Locations

Computer controls, connectors, and indicators

This section introduces hardware features of the computer.

Front

For non-touch model

For touch model

1 Microphones* 2 Infrared LED*

3 Camera with IR function* 4 ThinkShutter*

5 Camera* 6 Multi-touch screen

* for selected models

Base

1 Power button 2 Fingerprint reader

3 Trackpad 4 TrackPoint® pointing device

44 P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

Left

1 Power connector 2 Thunderbolt™ 3 connectors (USB-C™)

3 HDMI™ connector 4 Audio connector

Right

1 Nano-SIM-card tray* 2 Media-card slot

3 USB 3.2 connector Gen 1 4 Always On USB 3.2 connector Gen 1

5 Security-lock slot

* for selected models

Chapter 6.Locations 45

Bottom

1 Emergency-reset hole 2 Speakers

Locating FRUs and CRUs

This topic introduces the following service parts:

• “Major FRUs” on page 47

• “LCD FRUs” on page 49

• “Miscellaneous parts and other FRUs” on page 52

Notes:

• CRU statement for customers:

You can resolve some problems with your product with a replacement part you can install yourself, called

a “Customer Replaceable Unit” or “CRU.” Some CRUs are designated as self-service CRUs and others

are designated as optional-service CRUs. Installation of self-service CRUs is your responsibility. For

optional-service CRUs, you can either install the CRU yourself or you can request that a Service Provider

install the CRU according to the warranty service for your product. If you intend on installing the CRU,

Lenovo will ship the CRU to you. CRU information and replacement instructions are shipped with your

product and are available from Lenovo at any time upon request. You can find a list of CRUs for your

product in this Hardware Maintenance Manual. An electronic version of this manual can be found at

https://support.lenovo.com. Click Documentation and then follow the on-screen instructions to find the

manual for your product. You might be required to return the defective part that is replaced by the CRU.

When return is required: (1) return instructions, a prepaid shipping label, and a container will be included

with the replacement CRU; and (2) you might be charged for the replacement CRU if Lenovo does not

receive the defective CRU within thirty (30) days of your receipt of the replacement CRU. See your Lenovo

Limited Warranty documentation for full details.

ThinkPad computers contain the following types of CRUs and FRUs:

– Self-service CRUs: Refer to parts that can be installed or replaced easily by customer themselves or

by trained service technicians at an additional cost.

– Optional-service CRUs: Refer to parts that can be installed or replaced by customers with a greater

skill level. Trained service technicians can also provide service to install or replace the parts under the

type of warranty designated for the customer’s machine.

– FRUs: Refer to parts that must be installed or replaced only by trained service technicians. If customers

choose to replace the FRUs by themselves, the product warranty might be affected.

• Each FRU/CRU is available for all types or models, unless otherwise specified.

46 P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

Major FRUs

Table 4. Major FRUs and CRUs

No. FRU description Self-service CRU Optional-service CRU

1LCD unit No No

2Keyboard bezel assembly No No

3Coin-cell battery Yes No

4Wireless WAN card* No Yes

Chapter 6.Locations 47

Table 4. Major FRUs and CRUs (continued)

No. FRU description Self-service CRU Optional-service CRU

5M.2 solid-state drive cover* Yes No

6M.2 solid-state drive Yes No

7Memory module Yes No

8System board No No

9Side USB connectors No No

10 Thermal fan assembly No No

11 Fingerprint reader bracket No No

12 Fingerprint reader No No

13 Fingerprint reader cable No No

14 Built-in battery No No

15 Base cover assembly Yes No

16 Speaker assembly No No

17 dc-in bracket No No

18 dc-in cable No No

19 Keyboard subcard No No

20 Proximity sensor cable No No

21 Keyboard subcard cable No No

22 Trackpad No No

23 Trackpad cable No No

24 Thermal pad No No

25 Nano-SIM-card tray* Yes No

aLenovo factory recovery USB key*No No

bPower cord Yes No

cac power adapter Yes No

dMiscellaneous parts kits No No

* for selected models

Note: The Lenovo factory recovery USB key a is used to restore the Microsoft® Windows operating system.

It might not come with the computer, and a user might order it from https://pcsupport.lenovo.com/

lenovorecovery, though additional shipping and handling fees might apply.

48 P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

LCD FRUs

For non-touch models

Table 5. LCD FRUs

No. FRU descriptions Self-service

CRU

Optional-service

CRU

1LCD bezel sheet No No

2ThinkShutter* No No

3Conventional camera board* No No

4Infrared camera board* No No

5Conventional camera/LED cable* No No

6Infrared camera/LED cable* No No

7WLAN antenna kit No No

Chapter 6.Locations 49

Table 5. LCD FRUs (continued)

No. FRU descriptions Self-service

CRU

Optional-service

CRU

8LCD rear cover assembly No No

9Hinges No No

10 LCD cable No No

11 Strip cover No No

12 LCD panel assembly No No

* for selected models

50 P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

For touch models

Table 6. LCD FRUs

No. FRU descriptions Self-service

CRU

Optional-service

CRU

1LCD panel No No

2ThinkShutter* No No

3Infrared camera board No No

4LED cable No No

Chapter 6.Locations 51

Table 6. LCD FRUs (continued)

No. FRU descriptions Self-service

CRU

Optional-service

CRU

5WLAN antenna kit No No

6LCD rear cover assembly No No

7Hinges No No

8LCD cable No No

9Strip cover No No

* for selected models

Miscellaneous parts and other FRUs

FRU descriptions Self-service CRU Optional-service CRU

Screw kit

• Screw M2.0 x L2.5, black (4)

• Screw M2.0 x L2, silver (4)

• Screw M2.5 x L5, black (7)

• Screw M2.0 x L3.5, silver (19)

• Screw M2.0 x L3.5, black (3)

• Screw M2.0 x L7, black(2)

• Screw M2.0 x L5, black (3)

• Screw M2.5 x L2.5, silver (6)

• Spec

No No

GEO label kit No No

Connector and cable guide

This section provides information to help Lenovo authorized service technicians identify connectors and

cables for replacement purpose. To view each FRU and the exploded illustration of the computer, see “Major

FRUs” on page 47 and “LCD FRUs” on page 49.

Note: Depending on the model, some connectors or cables might not be available.

System board and keyboard subcard connectors

52 P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

No. Connector/feature Internal cable required Cable connection

1 13 Thermal fan connectors (internal) Thermal fan assembly cable The thermal fan assembly comes

with two cables. Connect the

cables to these connectors.

2LCD cable connector (internal) LCD cable Connect one end to the LCD panel

and the other end to this

connector.

3dc-in connector (internal) dc-in cable Connect the dc-in cable to this

connector.

4Thunderbolt 3 connector (USB-C)

(external)

No Connect USB-C compatible

devices or a USB-C power adapter

to this connector.

5HDMI connector (external) No Connect a compatible digital audio

device or video monitor to this

connector.

6Audio connector (external) No Connect headphones or a headset

to this connector.

7Speaker connector (internal) Speaker assembly cable Connect the speaker assembly

cable to this connector.

8Proximity sensor cable connector

(internal)

Proximity sensor cable connector Connect the proximity sensor

cable to this connector.

9Keyboard subcard cable

connector (internal)

Keyboard subcard cable Connect one end of the keyboard

subcard cable to the keyboard

subcard connector 22 and the

other end to this connector.

10 M.2 solid-state drive slots (internal) No Insert M.2 solid-state drives

directly into these slots.

11 Memory module slots (internal) No Insert the memory modules into

these slots.

12 Built-in battery connector (internal) No Connect the built-in battery

directly to this connector.

14 Trackpad connector (internal) Trackpad cable Connect one end of the trackpad

cable to the trackpad and the other

end to this connector.

15 Coin-cell battery connector

(internal)

Coin-cell battery cable The coin-cell battery comes with a

cable. Connect the cable to this

connector.

16 Wireless WAN card slot (internal) No Insert the wireless WAN card into

this slot.

17 Fingerprint connector (internal) Fingerprint cable Connect one end of the fingerprint

cable to the fingerprint reader and

the other end to this connector.

18 Built-in Wireless-LAN device

(internal)

Wireless-LAN antenna kit Connect the connectors of

Wireless-LAN antenna kit.

19 LED cable connector (internal) LED cable Connect one end to the camera

connector and the other end to this

connector.

20 Media-card slot (external) No Insert a supported media card into

this slot.

Chapter 6.Locations 53

No. Connector/feature Internal cable required Cable connection

21 USB 3.2 connectors Gen 1

(external)

No Connect USB-compatible devices

to this connector.

22 Keyboard subcard cable

connector (internal)

Keyboard subcard cable Connect one end of the keyboard

subcard cable to the connector on

the system board 9 and the other

end to this connector.

23 Keyboard cable connector

(internal)

Keyboard assembly cable Connect the keyboard cable to this

connector.

24 TrackPoint pointing cap cable

connector (internal)

TrackPoint pointing cap cable Connect the TrackPoint pointing

cap cable to this connector.

Looking up FRU information

For detailed FRU information, including part numbers, descriptions, and substitution part numbers, go to

https://support.lenovo.com/partslookup.

54 P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

Chapter 7. FRU replacement notices

This chapter presents notices related to removing and replacing parts. Read this chapter carefully before

replacing any FRU.

CRU statement for customers:

You can resolve some problems with your product with a replacement part you can install yourself, called a

“Customer Replaceable Unit” or “CRU.” Some CRUs are designated as self-service CRUs and others are

designated as optional-service CRUs. Installation of self-service CRUs is your responsibility. For optional-

service CRUs, you can either install the CRU yourself or you can request that a Service Provider install the

CRU according to the warranty service for your product. If you intend on installing the CRU, Lenovo will ship

the CRU to you. CRU information and replacement instructions are shipped with your product and are

available from Lenovo at any time upon request. You can find a list of CRUs for your product in this Hardware

Maintenance Manual. An electronic version of this manual can be found at https://support.lenovo.com. Click

Documentation and then follow the on-screen instructions to find the manual for your product. You might be

required to return the defective part that is replaced by the CRU. When return is required: (1) return

instructions, a prepaid shipping label, and a container will be included with the replacement CRU; and (2) you

might be charged for the replacement CRU if Lenovo does not receive the defective CRU within thirty (30)

days of your receipt of the replacement CRU. See your Lenovo Limited Warranty documentation for full

details.

Service tool kit

Ensure that the following service tool kit is prepared before you service a ThinkPad notebook computer.

No. Tool name Tool type

1 Phillips-head screwdriver Common tool

2 Torx-head screwdriver Common tool

3Conductive tweezers Common tool

4 Hexagonal socket Common tool

5Silicone grease Consumable tool

6 Polyamide tape Consumable tool

7 Mylar tape Consumable tool

8 Eraser Consumable tool

9 Electrical tape Consumable tool

10 Double-sided tape Consumable tool

11 Conductive tape Consumable tool

Note: The silicone grease can be applied to the surfaces of the microprocessor and heatsink to eliminate air

gaps. The hexagonal socket is used to pick up the antenna connectors.

Screw notices

Loose screws can cause a reliability problem. In the ThinkPad notebook computer, this problem is

addressed with special nylon-coated screws that have the following characteristics:

• They maintain tight connections.

• They do not easily come loose, even with shock or vibration.

• They are harder to tighten.

Do the following when you service this machine:

• Keep the screw kit in your tool bag. For the part number of the screw kit, go to https://support.lenovo.com/

partslookup.

• It is recommended to use new screws.

• It is recommended to use each screw only once.

Tighten screws as follows:

• Plastic to plastic

Turn an additional 90 degrees after the screw head touches the surface of the plastic part.

• Logic card to plastic

Turn an additional 180 degrees after the screw head touches the surface of the logic card.

Notes:

• Ensure that you use the correct screw. It is recommended to use new screws for replacements. If you

have a torque screwdriver, tighten all screws firmly to the torque specified in the screw information table

for each step.

• Ensure that torque screwdrivers are calibrated correctly following country specifications.

Retaining serial numbers

This section includes the following descriptions:

• “Restoring the serial number of the system unit” on page 56

• “Retaining the UUID” on page 57

• “Reading or writing the ECA information” on page 58

Restoring the serial number of the system unit

When the computer was manufactured, the EEPROM on the system board was loaded with the serial

numbers of the system and all major components. These numbers need to remain the same throughout the

life of the computer.

If you replace the system board, you must restore the serial number of the system unit to its original value.

The serial number of the system unit is written on the label attached to the bottom of the computer.

56 P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

If you cannot find the serial number of the system unit on the bottom of the computer, try the following

method to get the number:

1. Connect a USB memory key to the computer.

2. Go to https://www.lenovo.com/maintenanceutilities and follow the instructions on the screen to create a

Maintenance Key.

Note: Only an authorized Lenovo service technician can access the above Web site.

3. Restart the computer.

4. When the logo is displayed, press Esc. The ThinkPad Config Information Update Utility interface is

displayed.

5. Type 1 under Enter the action desired, then press Enter. The ThinkPad Serial Number Update Utility for

Asset ID screen is displayed.

6. Type 2 under Enter the action desired, then press Enter. The serial number of each device in your

computer is displayed; the serial number of the system unit is listed as follows:

20- Serial number

7. Record the serial number of the system unit.

After you replace the system board, do the following to restore the serial number of the system unit:

1. Connect the Maintenance Key to the computer.

2. When the logo is displayed, press Esc. The ThinkPad Config Information Update Utility interface is

displayed.

3. Type 1 under Enter the action desired, then press Enter. The ThinkPad Serial Number Update Utility for

Asset ID screen is displayed.

4. Type 1 under Enter the action desired, then press Enter. Then follow the instructions on the screen to

restore the serial number of the system unit.

Retaining the UUID

The Universally Unique Identifier (UUID) is a 128-bit number uniquely assigned to your computer at

production and stored in the EEPROM of your system board.

The algorithm that generates the number is designed to provide unique IDs until the year A.D. 3400. No two

computers in the world have the same number.

When you replace the system board, perform the following steps to create a new UUID for the system board

if the system board does not have a UUID:

1. Connect a USB memory key to the computer.

2. Go to https://www.lenovo.com/maintenanceutilities and follow the instructions on the screen to create a

Maintenance Key.

Note: Only an authorized Lenovo service technician can access the above Web site.

3. Restart the computer.

4. When the logo screen is displayed, press Esc. The ThinkPad Config Information Update Utility interface

is displayed.

5. Type 2 under Enter the action desired, then press Enter. The Auto UUID generation utility interface is

displayed.

6. Type y under Change UUID. OK? [Y/N], then press Enter. A new UUID is created and written. If a valid

UUID already exists, it is not overwritten.

Chapter 7.FRU replacement notices 57

Reading or writing the ECA information

Information about Engineering Change Announcements (ECA) is stored in the EEPROM of the system board.

The electronic storage of this information simplifies the procedure to check if the ECA has been previously

applied to a machine. The machine does not need to be disassembled to check for the ECA application.

To check what ECAs have been previously applied to the machine, use the ECA Information Read/Write

function on the USB Maintenance Key.

1. Insert the Maintenance Key and restart the computer.

2. From the main menu, select 6. Set ECA Information.

3. To read the ECA information, select 2. Read ECA/rework number from EEPROM and follow the

instructions on the screen.

4. To read the box build date, select 5. Read box build date from EEPROM, and follow the instruction on

the screen.

After an ECA has been applied to the machine, the EEPROM must be updated to reflect the ECA's

application. Use the Maintenance Key to update the EEPROM.

Note: Only the ECA number is stored in the EEPROM. The machine type of the ECA is assumed to be the

same as the machine type of the machine that had the ECA applied to it.

1. Insert the Maintenance Key and restart the computer.

2. From the main menu, select 6. Set ECA Information.

3. To write the ECA information, select 1. Write ECA/rework number from EEPROM, and follow the

instructions on the screen.

4. To write the box build date, select 4. Write box build date from EEPROM, and follow the instruction on

the screen.

If the system board is being replaced, try to read the ECA information from the old system board and transfer

the information to the new system. If the system board is inoperable, this will not be possible.

58 P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

Chapter 8. Removing or replacing a FRU

This chapter provides instructions on how to remove or replace a FRU.

CRU statement for customers:

You can resolve some problems with your product with a replacement part you can install yourself, called a

“Customer Replaceable Unit” or “CRU.” Some CRUs are designated as self-service CRUs and others are

designated as optional-service CRUs. Installation of self-service CRUs is your responsibility. For optional-

service CRUs, you can either install the CRU yourself or you can request that a Service Provider install the

CRU according to the warranty service for your product. If you intend on installing the CRU, Lenovo will ship

the CRU to you. CRU information and replacement instructions are shipped with your product and are

available from Lenovo at any time upon request. You can find a list of CRUs for your product in this Hardware

Maintenance Manual. An electronic version of this manual is available for downloading at https://

support.lenovo.com. You might be required to return the defective CRU. When return is required: (1) return

instructions, a prepaid shipping label, and a container will be included with the replacement CRU; and (2) you

might be charged for the replacement CRU if Lenovo does not receive the defective part within thirty (30)

days of your receipt of the replacement CRU. See your Lenovo Limited Warranty documentation for full

details.

General guidelines

When removing or replacing a FRU, be sure to 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. Before replacing any FRU, review Chapter 7 “FRU replacement notices” on page 55.

3. 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 section. Remove them in the order in which they are

listed.

4. Follow the correct sequence in the steps for removing a FRU, as given in the drawings by the numbers in

square callouts.

5. When turning a screw, turn it in the direction as given by the arrow in the drawing.

6. When removing a FRU, move it in the direction as given by the arrow in the drawing.

7. To put the new FRU in place, reverse the removal procedure and follow any notes that pertain to

replacement.

8. When replacing a FRU, use the correct screws as shown in the replacement procedures.

DANGER

Before removing any FRU, turn off the computer, unplug all power cords from electrical outlets,

disconnect any interconnecting cables, and then disable the built-in battery.

Attention: After replacing a FRU, do not turn on the computer until you have made sure 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, electrostatic discharge (ESD). Before

touching it, establish personal grounding by touching a ground point with one hand or by using an ESD strap.

Before servicing the computer

Carefully read this topic before servicing the computer.

Disabling the built-in battery

Before replacing any FRU/CRU, ensure that you disable the built-in battery.

To disable Fast Startup, do the following:

1. Go to Control Panel, and then change the view of Control Panel from Category to Large icons or Small

icons.

2. Click Power Options, and then click Choose what the power buttons do on the left pane.

3. Click Change settings that are currently unavailable at the top.

4. If prompted by User Account Control (UAC), click Yes.

5. Clear the Turn on fast startup check box, and then click Save changes.

To disable the built-in battery, do the following:

1. Restart your computer. When the logo screen is displayed, immediately press F1 to enter ThinkPad

Setup.

2. Select Config ➙ Power. The Power submenu is displayed.

3. Select Disable built-in battery and press Enter.

4. Select Yes in the Setup Confirmation window. The built-in battery is disabled and the computer turns off

automatically. Wait three to five minutes to let the computer cool.

Removing the media card

If the computer has a media card installed, remove the media card before you start the servicing.

After you finish the servicing, ensure that you install the media card (if available) back into the computer.

Removing a major FRU

This section provides instructions on how to remove a major FRU.

60 P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

1010 Base cover assembly

Removal steps of the base cover assembly

Applying labels to the base cover:

The following illustration shows the location of each label.

Note: Depending on the country or region of delivery, the labels might be slightly different from the ones in

the following illustration.

1 Taiwan GEO label, India GEO label 2 GEO label

3 IMEI label 4 S/N label

5 Genuine Microsoft label (for Windows 10) 6 Asset tag

7 Country label 8 China CECP label

Chapter 8.Removing or replacing a FRU 61

1020 Nano-SIM-card tray (for selected models)

Removal steps of the nano-SIM-card tray

1030 Wireless WAN card

For access, remove this FRU:

• “1010 Base cover assembly” on page 61

Removal steps of the wireless WAN card

Step Screw (quantity) Color Torque

2M2 × L2.5 mm, flat-head, nylon-coated (1) Black 0.181 Nm

(1.85 kgf-cm)

When installing: Plug the orange cable into the main connector and the blue cable into the auxiliary

connector.

1040 Memory module

For access, remove these FRUs in order:

• “1010 Base cover assembly” on page 61

62 P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

Removal steps of the memory module

When installing:

Insert the notched end of the memory module into the memory slot. Press the memory module in firmly, and

pivot it downward until it snaps into place. Ensure that the memory module is firmly installed in the slot and

does not move easily.

1050 Built-in battery

Important notices for replacing a battery

Attention: Lenovo has no responsibility for the performance or safety of unauthorized batteries, and

provides no warranties for failures or damage arising out of their use.

The Lenovo Solution Center program provides an automatic battery diagnostic test that determines if the

battery is defective. A battery FRU should not be replaced unless this diagnostic test shows that the battery

is defective. The only exception to this is if the battery is physically damaged or a customer is reporting a

possible safety issue.

If the Lenovo Solution Center program is not installed on the computer, the customer should download and

install the program to diagnose the battery, before getting a non-physically damaged battery replaced. Note

that the replacement of a physically damaged battery is not covered by the warranty.

For access, remove this FRU:

• “1010 Base cover assembly” on page 61

Removal steps of the built-in battery

DANGER

Use only the authorized battery specified for your computer. Any other battery could ignite or

explode.

Chapter 8.Removing or replacing a FRU 63

When installing: Ensure that you apply the insulation sheet 1 to the battery connector.

Step Screw (quantity) Color Torque

3M2.0 × L3.5 mm, flat-head, nylon-coated (4) Silver 0.181 Nm

(1.85 kgf-cm)

When installing:

• Apply the battery sponges a to the new battery as shown before installing it.

64 P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

• For WWAN models, apply the battery sponges b to the new battery as shown before installing it.

1mm

• Ensure that the battery tabs are inserted underneath the system board.

1060 Thermal fan assembly

For access, remove this FRU:

• “1010 Base cover assembly” on page 61

Removal steps of the thermal fan assembly

Chapter 8.Removing or replacing a FRU 65

Note: Loosen the screws 9 in ascending alphabetical order as illustrated.

66 P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

When installing:

• Do not touch the top and bottom areas marked a and b in the following illustration.

• Apply the rubbers c to the new thermal fan as shown before installing it.

• Tighten the screws in ascending order by following the number marked beside each screw. Otherwise, the

system board might get damaged.

• Ensure that the connector is attached firmly.

1070 Speaker assembly

For access, remove this FRU:

• “1010 Base cover assembly” on page 61

• “1050 Built-in battery” on page 63

Chapter 8.Removing or replacing a FRU 67

Removal steps of the speaker assembly

When installing:

Straighten the speaker cable. Ensure that the cable is not pinched by any components.

1080 Coin-cell battery

For access, remove this FRU:

• “1010 Base cover assembly” on page 61

Removal steps of the coin-cell battery

When installing:

Ensure that the connector is attached firmly.

1090 M.2 solid-state drive

For access, remove this FRU:

68 P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

• “1010 Base cover assembly” on page 61

Attention: The M.2 solid-state drive is sensitive. Inappropriate handling might cause damage and

permanent loss of data.

When handling the M.2 solid-state drive, observe the following guidelines:

• Replace the M.2 solid-state drive only for upgrade or repair. The M.2 solid-state drive is not designed for

frequent changes or replacement.

• Before replacing the M.2 solid-state drive, make a backup copy of all the data that you want to keep.

• Do not apply pressure to the M.2 solid-state drive.

• Do not touch the contact edge of the M.2 solid-state drive. Otherwise the M.2 solid-state drive might get

damaged.

• Do not make the M.2 solid-state drive subject to physical shocks or vibration. Put the M.2 solid-state drive

on a soft material, such as cloth, to absorb physical shocks.

Your computer has two M.2-solid-state-drive slots. When you configure the M.2-solid-state-drive slot in the

UEFI BIOS menu, ensure that you select the correct menu item.

• Slot a: NVMe1

• Slot b: NVMe0

Chapter 8.Removing or replacing a FRU 69

Removal steps of the M.2 solid-state drive

Step Screw (quantity) Color Torque

1M2 × L2.5 mm, flat-head, nylon-coated (1) Black 0.181 Nm

(1.85 kgf-cm)

When installing: If the thermal pads installed in the M.2-solid-state-drive slots are broken, replace them with

new ones.

1100 Proximity sensor cable

For access, remove this FRU:

• “1010 Base cover assembly” on page 61

• “1050 Built-in battery” on page 63

Removal steps of the proximity sensor cable

70 P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

When installing:

Ensure that the connector is attached firmly.

1110 dc-in bracket and dc-in cable

For access, remove these FRUs in order:

• “1010 Base cover assembly” on page 61

Removal steps of the dc-in bracket and dc-in cable

Step Screw (quantity) Color Torque

1M2.5 × L5.0 mm, flat-head, nylon-coated (2) Black 0.294 Nm

(3 kgf-cm)

Step Screw (quantity) Color Torque

4M2.5 × L5.0 mm, flat-head, nylon-coated (2) Black 0.294 Nm

(3 kgf-cm)

Chapter 8.Removing or replacing a FRU 71

When installing:

Ensure that the connector is attached firmly.

1120 Keyboard subcard and keyboard-subcard cable

For access, remove this FRU:

• “1010 Base cover assembly” on page 61

• “1050 Built-in battery” on page 63

Removal steps of the keyboard subcard and keyboard-subcard cable

72 P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

When installing:

Ensure that the connector is attached firmly.

1130 Trackpad and trackpad cable

For access, remove this FRU:

• “1010 Base cover assembly” on page 61

• “1050 Built-in battery” on page 63

Removal steps of the trackpad and trackpad cable

Chapter 8.Removing or replacing a FRU 73

Step Screw (quantity) Color Torque

6M2 × L2 mm, flat-head, nylon-coated (4) Silver 0.181 Nm

(1.85 kgf-cm)

When installing:

Ensure that the connector is attached firmly.

1140 Fingerprint reader assembly and fingerprint reader bracket

For access, remove this FRU:

• “1010 Base cover assembly” on page 61

• “1050 Built-in battery” on page 63

• “1160 System board and side USB connectors” on page 77

Removal steps of the Fingerprint reader assembly and fingerprint reader cable

74 P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

Step Screw (quantity) Color Torque

3M2 × L2.5 mm, flat-head, nylon-coated (1) Black 0.181 Nm

(1.85 kgf-cm)

When installing:

Ensure that the connector is attached firmly.

1150 LCD unit

For access, remove these FRUs in order:

• “1010 Base cover assembly” on page 61

Removal steps of the LCD unit

Chapter 8.Removing or replacing a FRU 75

Step Screw (quantity) Color Torque

8M2.5 × L5 mm, flat-head, nylon-coated (5) Black 0.294 Nm

(3.0 kgf-cm)

76 P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

When installing:

• Correctly route and secure the antenna cables, LCD cable, and camera/LED cable through the cable

guides on the keyboard bezel assembly. Fix the camera/LED cable to the system board with a tape.

Ensure that the cables are not pinched by any components.

• Install the rubber 1 for cable routing.

• Ensure that the connector is attached firmly.

1160 System board and side USB connectors

Important notices for handling the system board

When handling the system board, read the following:

Chapter 8.Removing or replacing a FRU 77

• The system board has an accelerometer, which can be broken when several thousands of G-forces are

applied.

Note: Dropping a system board from a height of as little as six inches so that it falls flat on a hard bench

can subject the accelerometer to as much as 6000 G's of shock.

• Be careful not to drop the system board on a bench top that has a hard surface, such as metal, wood, or

composite.

• Avoid rough handling of any kind.

• At every point in the process, be sure not to drop or stack the system board.

• If you put a system board down, be sure to put it only on a padded surface such as an ESD mat or a

corrugated conductive material.

For access, remove these FRUs in order:

• “1010 Base cover assembly” on page 61

• “1020 Nano-SIM-card tray (for selected models)” on page 62

• “1090 M.2 solid-state drive” on page 68

• “1030 Wireless WAN card” on page 62

• “1050 Built-in battery” on page 63

• “1060 Thermal fan assembly” on page 65

• “1110 dc-in bracket and dc-in cable” on page 71

Attention: The microprocessor soldered on the system board is extremely sensitive. When you service the

system board, avoid any kind of rough handling.

Removal steps of the system board

78 P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

Step Screw (quantity) Color Torque

10 M2.0 × L3.5 mm, flat-head, nylon-coated (14) Silver 0.181 Nm

(1.85 kgf-cm)

11 M2.0 × L7 mm, flat-head, nylon-coated (2) Silver 0.181 Nm

(1.85 kgf-cm)

Attention: To avoid damage, do not bend the system board.

When installing:

• Ensure that you install the thermal spacers 12 to the system board.

• Ensure that you attach the mylar to the system board.

• Ensure that you install the PCH thermal pad as shown.

Chapter 8.Removing or replacing a FRU 79

• Ensure that you install the SSD thermal pads as shown, and then remove the dust protection film of the

thermal pad installed in slot a and slot b.

• Ensure that you install the memory module mylar as shown.

80 P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

Removal steps of the side USB connectors

When installing: Ensure that you apply the mylar to the side of the USB connector near the power button

LED as shown a.

1170 Keyboard assembly

To remove the keyboard assembly, remove these FRUs in order:

• “1010 Base cover assembly” on page 61

• “1030 Wireless WAN card” on page 62

• “1040 Memory module” on page 62

• “1050 Built-in battery” on page 63

• “1060 Thermal fan assembly” on page 65

• “1070 Speaker assembly” on page 67

• “1080 Coin-cell battery” on page 68

• “1090 M.2 solid-state drive” on page 68

• “1100 Proximity sensor cable” on page 70

• “1110 dc-in bracket and dc-in cable” on page 71

• “1120 Keyboard subcard and keyboard-subcard cable” on page 72

• “1130 Trackpad and trackpad cable” on page 73

• “1140 Fingerprint reader assembly and fingerprint reader bracket” on page 74

• “1150 LCD unit” on page 75

• “1160 System board and side USB connectors” on page 77

Removing an LCD FRU for models without a touch panel

This section provides instructions on how to remove an LCD FRU for models without a touch panel.

2010 LCD bezel sheet, strip cover, and ThinkShutter

For access, remove these FRUs in order:

• “1010 Base cover assembly” on page 61

• “1150 LCD unit” on page 75

Chapter 8.Removing or replacing a FRU 81

Removal step of the LCD bezel sheet

When installing:

After the LCD bezel sheet are removed, it cannot be used anymore. Use a new LCD bezel sheet for

replacement.

Removal step of the strip cover

82 P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

Removal step of the ThinkShutter for conventional camera

2020 Hinges

For access, remove these FRUs in order:

• “1010 Base cover assembly” on page 61

• “1150 LCD unit” on page 75

• “2010 LCD bezel sheet, strip cover, and ThinkShutter ” on page 81

Removal steps of the hinges

Step Screw (quantity) Color Torque

1M2.5 × L2.5 mm, big-head, nylon-coated (6) Silver 0.294 Nm

(3.0 kgf-cm)

When installing: Attach the dc-in lens rubber and the conductive tape to the hinges as shown.

Chapter 8.Removing or replacing a FRU 83

2030 LCD panel assembly and LCD cable

For access, remove these FRUs in order:

• “1010 Base cover assembly” on page 61

• “1150 LCD unit” on page 75

• “2010 LCD bezel sheet, strip cover, and ThinkShutter ” on page 81

• “2020 Hinges” on page 83

Removal steps of the LCD panel assembly and LCD cable

84 P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

Installation steps of the LCD panel assembly and LCD cable

Install the LCD holder frame assembly as shown.

Chapter 8.Removing or replacing a FRU 85

For UHD LCD panel or 500 nit FHD LCD panel, attach the graphite sheet a to the rear of the LCD panel as

shown.

Ensure that the edges of the new LCD panel assembly align with the sponges on the computer cover.

Note: 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 C:\Program files (x86)\X-Rite Color Assistant and locate the

ProfileUpdaterForDisplayReplacement.exe file.

3. 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.

2040 Camera card

For access, remove these FRUs in order:

• “1010 Base cover assembly” on page 61

• “1150 LCD unit” on page 75

• “2010 LCD bezel sheet, strip cover, and ThinkShutter ” on page 81

• “2020 Hinges” on page 83

• “2030 LCD panel assembly and LCD cable” on page 84

86 P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

Removal steps of the camera card for models with conventional camera

Chapter 8.Removing or replacing a FRU 87

Removal steps of the camera card for models with the IR camera

2050 LED cable

For access, remove these FRUs in order:

• “1010 Base cover assembly” on page 61

• “1150 LCD unit” on page 75

• “2010 LCD bezel sheet, strip cover, and ThinkShutter ” on page 81

• “2020 Hinges” on page 83

• “2030 LCD panel assembly and LCD cable” on page 84

88 P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

Removal steps of the LED cable

Chapter 8.Removing or replacing a FRU 89

When installing:

• Attach the microphone rubbers as shown.

• Install the ThinkShutter as shown.

2060 WLAN antenna kit and LCD rear cover assembly

For access, remove this FRU:

• “1010 Base cover assembly” on page 61

• “1150 LCD unit” on page 75

• “2010 LCD bezel sheet, strip cover, and ThinkShutter ” on page 81

• “2020 Hinges” on page 83

• “2030 LCD panel assembly and LCD cable” on page 84

90 P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

Removal steps of the antenna kit

Chapter 8.Removing or replacing a FRU 91

When installing:

• Plug the grey cable into the main connector on the WLAN card; plug the black cable into the auxiliary

connector on the WLAN card.

• Ensure that you attach the sponges a to the rear cover assembly as shown.

Attention: When you route the cables, ensure that they are not subject to any tension. Tension could cause

the cables to be damaged by the cable guides, or a wire to be broken.

92 P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

Antenna locations

a Wireless-WAN auxiliary antenna (blue)*

b Wireless-WAN main antenna (orange)*

c Wireless-LAN auxiliary antenna (black)

d Wireless-LAN main antenna (gray)

Removing an LCD FRU for models with touch panel

This section provides instructions on how to remove an LCD FRU for models with touch panel.

3010 Strip cover

For access, remove these FRUs in order:

• “1010 Base cover assembly” on page 61

• “1150 LCD unit” on page 75

Chapter 8.Removing or replacing a FRU 93

Removal steps of the strip cover

3020 LCD panel assembly and LCD cable

For access, remove these FRUs in order:

• “1010 Base cover assembly” on page 61

• “1150 LCD unit” on page 75

• “3010 Strip cover” on page 93

Removal steps of the LCD panel assembly and LCD cable

Step Screw (quantity) Color Torque

2M2 x L3.5mm, NYLOK NI (3) Silver 0.181 Nm

(1.85 kgf-cm)

94 P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

Chapter 8.Removing or replacing a FRU 95

Installation steps of the LCD cable

Installation steps of the LCD panel assembly

96 P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

Step Screw (quantity) Color Torque

4M2 x L3.5mm, NYLOK NI (3) Silver 0.181 Nm

(1.85 kgf-cm)

Note: 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 C:\Program files (x86)\X-Rite Color Assistant and locate the

ProfileUpdaterForDisplayReplacement.exe file.

3. 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.

3030 Hinges

For access, remove these FRUs in order:

• “1010 Base cover assembly” on page 61

• “1150 LCD unit” on page 75

• “3010 Strip cover” on page 93

Chapter 8.Removing or replacing a FRU 97

• “3020 LCD panel assembly and LCD cable” on page 94

Removal steps of the hinges

Step Screw (quantity) Color Torque

1M2.5 × L2.5 mm, big-head, nylon-coated (6) Silver 0.294 Nm

(3.0 kgf-cm)

When installing: Attach the dc-in lens rubber and the conductive tape to the hinges as shown.

3040 Infrared camera card and ThinkShutter

For access, remove these FRUs:

• “1010 Base cover assembly” on page 61

• “1150 LCD unit” on page 75

• “3010 Strip cover” on page 93

• “3020 LCD panel assembly and LCD cable” on page 94

• “3030 Hinges” on page 97

98 P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

Removal steps of the infrared camera card

Removal steps of the ThinkShutter

3050 Infrared LED cable

For access, remove these FRUs in order:

• “1010 Base cover assembly” on page 61

• “1150 LCD unit” on page 75

• “3010 Strip cover” on page 93

• “3020 LCD panel assembly and LCD cable” on page 94

• “3030 Hinges” on page 97

• “3040 Infrared camera card and ThinkShutter” on page 98

Chapter 8.Removing or replacing a FRU 99

Removal steps of the infrared LED cable

100 P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

When installing:

• Attach the microphone rubbers as shown.

• Install the ThinkShutter as shown.

3060 WLAN antenna kit and LCD rear cover assembly

For access, remove this FRU:

• “1010 Base cover assembly” on page 61

• “1150 LCD unit” on page 75

• “3010 Strip cover” on page 93

• “3020 LCD panel assembly and LCD cable” on page 94

• “3030 Hinges” on page 97

• “3040 Infrared camera card and ThinkShutter” on page 98

• “3050 Infrared LED cable” on page 99

Chapter 8.Removing or replacing a FRU 101

Removal steps of the antenna kit

When installing: Plug the grey cable into the main connector on the WLAN card; plug the black cable into

the auxiliary connector on the WLAN card.

Attention: When you route the cables, ensure that they are not subject to any tension. Tension could cause

the cables to be damaged by the cable guides, or a wire to be broken.

102 P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

Antenna locations

a Wireless-WAN auxiliary antenna (blue)*

b Wireless-WAN main antenna (orange)*

c Wireless-LAN auxiliary antenna (black)

d Wireless-LAN main antenna (gray)

Chapter 8.Removing or replacing a FRU 103

104 P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

Appendix A. Notices

Lenovo may not offer the products, services, or features discussed in this document in all countries. Consult

your local Lenovo representative for information about the products and services currently available in your

area. Any reference to a Lenovo product, program, or service is not intended to state or imply that only that

Lenovo product, program, or service may be used. Any functionally equivalent product, program, or service

that does not infringe any Lenovo intellectual property right may be used instead. However, it is the user’s

responsibility to evaluate and verify the operation of any other product, program, or service.

Lenovo may have patents or pending patent applications covering subject matter described in this

document. The furnishing of this document does not give you any license to these patents. You can send

license inquiries, in writing, to:

Lenovo (United States), Inc.

8001 Development Drive

Morrisville, NC 27560

U.S.A.

Attention: Lenovo Director of Licensing

LENOVO PROVIDES THIS PUBLICATION “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS

OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF NON-INFRINGEMENT,

MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Some jurisdictions do not allow

disclaimer of express or implied warranties in certain transactions, therefore, this statement may not apply to

you.

This information could include technical inaccuracies or typographical errors. Changes are periodically made

to the information herein; these changes will be incorporated in new editions of the publication. Lenovo may

make improvements and/or changes in the product(s) and/or the program(s) described in this publication at

any time without notice.

The products described in this document are not intended for use in implantation or other life support

applications where malfunction may result in injury or death to persons. The information contained in this

document does not affect or change Lenovo product specifications or warranties. Nothing in this document

shall operate as an express or implied license or indemnity under the intellectual property rights of Lenovo or

third parties. All information contained in this document was obtained in specific environments and is

presented as an illustration. The result obtained in other operating environments may vary.

Lenovo may use or distribute any of the information you supply in any way it believes appropriate without

incurring any obligation to you.

Any references in this publication to non-Lenovo Web sites are provided for convenience only and do not in

any manner serve as an endorsement of those Web sites. The materials at those Web sites are not part of the

materials for this Lenovo product, and use of those Web sites is at your own risk.

Any performance data contained herein was determined in a controlled environment. Therefore, the result

obtained in other operating environments may vary significantly. Some measurements may have been made

on development-level systems and there is no guarantee that these measurements will be the same on

generally available systems. Furthermore, some measurements may have been estimated through

extrapolation. Actual results may vary. Users of this document should verify the applicable data for their

specific environment.

Trademarks

LENOVO, LENOVO logo, THINKPAD, THINKPAD logo and TRACKPOINT are trademarks of Lenovo.

Thunderbolt is a trademark of Intel Corporation or its subsidiaries in the U.S. and/or other countries.

Microsoft, Windows, and Cortana are trademarks of the Microsoft group of companies. The terms HDMI and

HDMI High-Definition Multimedia Interface are trademarks or registered trademarks of HDMI Licensing LLC

in the United States and other countries. Wi-Fi and Wi-Fi Alliance are registered trademarks of Wi-Fi Alliance.

USB-C is a trademark of USB Implementers Forum. All other trademarks are the property of their respective

106 P1 Gen 3 and X1 Extreme Gen 3 Hardware Maintenance Manual

Part Number: SP40G76958_01

Printed in

(1P) P/N: SP40G76958_01

*1PSP40G76958_01*

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