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ThinkPad P1 Gen 5 / ThinkPad X1 Extreme Gen 5 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 95.

Third Edition (July 2023)

© Copyright Lenovo 2023.

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

Table Caption: This table appears to be an index or table of contents for a technical manual, listing chapter titles, section headings, and corresponding page numbers across multiple columns, likely representing different editions or versions of the manual.

Table Caption: This table appears to be an index or table of contents for a technical manual, likely for a computer or electronic device, detailing sections on power management, troubleshooting errors, hardware component locations, and FRU (Field Replaceable Unit) replacement procedures.

Table Caption: This table appears to be a parts list or inventory, with numbered items, their descriptions, and corresponding numbers that likely indicate page numbers or item identifiers.

Table Caption: This table lists part numbers for various components of a device, along with their corresponding page numbers for further information. It details items such as LCD units, system boards, trackpads, power buttons, and keyboard bezels.

About this manual

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

ThinkPad P1 Gen 5

Machine Types:

21DC and 21DD

ThinkPad X1 Extreme Gen 5

Machine Types: 21DE and 21DF

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.

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