Lenovo ThinkPad X1 2-in-1 Gen 9 Hardware Maintenance Manual
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Lenovo ThinkPad X1 2-in-1 Gen 9 Hardware Maintenance Manual

Lenovo ThinkPad X1 2-in-1 Gen 9 Hardware Maintenance Manual

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ThinkPad X1 Carbon Gen 12 and ThinkPad X1
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Summary of Contents for Lenovo ThinkPad X1 2-in-1 Gen 9

  • Page 1 ThinkPad X1 Carbon Gen 12 and ThinkPad X1 2-in-1 Gen 9 Hardware Maintenance Manual...
  • Page 2 First Edition (March 2024) © Copyright Lenovo 2024. 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-...

  • Page 3: Table Of Contents

    Screw notices ....Bootable diagnostic programs ..Sensor calibration (for ThinkPad X1 2-in-1 Gen 9 Power system checkout ...
  • Page 4 1130 NFC module and NFC sponge (for selected models) ....ThinkPad X1 Carbon Gen 12 and ThinkPad X1 2-in-1 Gen 9 Hardware Maintenance Manual...

  • Page 5: About This Manual

    Product name Machine type (MT) ThinkPad X1 Carbon Gen 12 21KC and 21KD ThinkPad X1 2-in-1 Gen 9 21KE and 21KF Use this manual along with the advanced diagnostic tests to troubleshoot problems. Important: • This manual is intended only for trained service technicians who are familiar with products. Use this manual along with the advanced diagnostic tests to troubleshoot problems effectively.
  • Page 6 ThinkPad X1 Carbon Gen 12 and ThinkPad X1 2-in-1 Gen 9 Hardware Maintenance Manual...

  • Page 7: Chapter 1. Safety Information

    • 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. © Copyright Lenovo 2024...
  • Page 8 • If an electrical accident occurs: – Use caution; do not become a victim yourself. – Switch off power. – Send another person to get medical aid. ThinkPad X1 Carbon Gen 12 and ThinkPad X1 2-in-1 Gen 9 Hardware Maintenance Manual...

  • Page 9: Safety Inspection Guide

    4. Check for cracked or bulging batteries. 5. Remove the cover. 6. Check for any obvious non-ThinkPad / non-Lenovo alterations. Use good judgment as to the safety of any non-ThinkPad / non-Lenovo alterations. 7. Check inside the unit for any obvious unsafe conditions, such as metal filings, contamination, water or other liquids, or signs of fire or smoke damage.

  • Page 10: Grounding Requirements

    The safety notices in this section are provided in the following languages: • English • Arabic • Brazilian Portuguese • French • German • Hebrew • Japanese • Korean • Spanish • Traditional Chinese DANGER DANGER ThinkPad X1 Carbon Gen 12 and ThinkPad X1 2-in-1 Gen 9 Hardware Maintenance Manual...
  • Page 11 DANGER DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 12 ThinkPad X1 Carbon Gen 12 and ThinkPad X1 2-in-1 Gen 9 Hardware Maintenance Manual...
  • Page 13 PERIGO PERIGO PERIGO Chapter 1 Safety information...
  • Page 14 PERIGO PERIGO PERIGO PERIGO PERIGO DANGER DANGER ThinkPad X1 Carbon Gen 12 and ThinkPad X1 2-in-1 Gen 9 Hardware Maintenance Manual...
  • Page 15 DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 16 DANGER VORSICHT VORSICHT VORSICHT VORSICHT ThinkPad X1 Carbon Gen 12 and ThinkPad X1 2-in-1 Gen 9 Hardware Maintenance Manual...
  • Page 17 VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1 Safety information...
  • Page 18 ThinkPad X1 Carbon Gen 12 and ThinkPad X1 2-in-1 Gen 9 Hardware Maintenance Manual...
  • Page 19 Chapter 1 Safety information...
  • Page 20 ThinkPad X1 Carbon Gen 12 and ThinkPad X1 2-in-1 Gen 9 Hardware Maintenance Manual...
  • Page 21 Chapter 1 Safety information...
  • Page 22 ThinkPad X1 Carbon Gen 12 and ThinkPad X1 2-in-1 Gen 9 Hardware Maintenance Manual...
  • Page 23 Chapter 1 Safety information...
  • Page 24 ThinkPad X1 Carbon Gen 12 and ThinkPad X1 2-in-1 Gen 9 Hardware Maintenance Manual...

  • Page 25: Chapter 2. Important Service Information

    – “FRU identification” on page 20 Important: • Advise customers to contact the Lenovo Customer Support Center if they need any assistance in obtaining or installing any software fixes, drivers, and UEFI BIOS downloads. Telephone numbers for Lenovo Support are available at: https://pcsupport.lenovo.com/supportphonelist...

  • Page 26: How To Use Error Message

    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.

  • Page 27: Chapter 3. General Checkout

    Before checking problems with the computer, determine whether the damage is covered under the warranty by referring to the following list: © Copyright Lenovo 2024...

  • Page 28: Checkout Guide

    Note: If you are unable to isolate and repair the problem yourself after running the program, save and print the log files created by the program. You need the log files when you speak to a Lenovo technical support representative.

  • Page 29: Quick Test Programs

    Run quick test programs to troubleshoot and resolve computer problems, especially when the computer does not have the Vantage app installed. To download and install a quick test program, go to https://www.lenovo.com/diags , and follow the instructions on the Web site.

  • Page 30: Bootable Diagnostic Programs

    If you suspect a power problem, see the appropriate one of the following power supply checkouts: • “Checking the ac power adapter” on page 25 • “Checking the built-in battery and operational charging” on page 25 ThinkPad X1 Carbon Gen 12 and ThinkPad X1 2-in-1 Gen 9 Hardware Maintenance Manual...

  • Page 31: Checking The Ac Power Adapter

    Checking the built-in battery and operational charging This system supports only batteries specially designed for this specific system and manufactured by Lenovo or an authorized manufacturer. The system does not support unauthorized batteries or batteries designed for other systems.
  • Page 32 • 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. ThinkPad X1 Carbon Gen 12 and ThinkPad X1 2-in-1 Gen 9 Hardware Maintenance Manual...

  • Page 33: Chapter 4. Related Service Information

    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.

  • Page 34: Supervisor Password

    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 ThinkPad X1 Carbon Gen 12 and ThinkPad X1 2-in-1 Gen 9 Hardware Maintenance Manual...

  • Page 35: How To Remove The Power-On Password

    Lenovo cannot reset your passwords or recover data from the storage drive. You can contact a Lenovo authorized service provider to have the storage drive replaced. A fee will be charged for parts and service. If the storage drive is a CRU (Customer Replaceable Unit), you can also contact Lenovo to purchase a new storage drive to replace the old one by yourself.

  • Page 36: Power Management

    Hibernation mode In hibernation mode, the following occurs: • The system status, RAM, VRAM, and setup data are stored on the solid-state drive. ThinkPad X1 Carbon Gen 12 and ThinkPad X1 2-in-1 Gen 9 Hardware Maintenance Manual...

  • Page 37: Symptom-To-Fru Index

    • The system is powered off. Note: If the computer enters the hibernation mode while it is connected to the dock, do not disconnect it before resuming normal operation. If you do disconnect it and then try to resume normal operation, you will get an error message, and you will have to restart the system.

  • Page 38: Numeric Error Codes

    3. Replace the system board. 2200 Have the computer serviced. Machine Type and Serial Number are invalid. 2201 Replace the system board. Machine UUID is invalid ThinkPad X1 Carbon Gen 12 and ThinkPad X1 2-in-1 Gen 9 Hardware Maintenance Manual...

  • Page 39: Error Messages

    The battery installed is not supported by this system and Replace the battery. will not charge. Please replace the battery with the correct Lenovo battery for this system. Press the Esc key to continue. This system does not support batteries that are not Replace the battery.
  • Page 40 0287: Discrete graphics error 1. Reinstall or replace the discrete graphics card (service provider only). 2. If step 1 does not work, replace the system board (service provider only). ThinkPad X1 Carbon Gen 12 and ThinkPad X1 2-in-1 Gen 9 Hardware Maintenance Manual...

  • Page 41: No-Beep Symptoms

    Blinking patterns Error codes Solutions 0288: Computer display error 1. Reconnect the display cable on both the system board side and the computer display side (service provider only) and check the LCD panel. 2. If step 1 does not work, connect an external display to your computer and check the status (customer or service provider).

  • Page 42: Lcd-Related Symptoms

    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.

  • Page 43: Intermittent Problems

    Table 4. LCD-related symptoms FRU or action, in sequence Symptom or error No beep, power-on indicator on, and a blank LCD during 1. Run LCD Self Test. POST. 2. Replace the system board. • LCD backlight not working. 1. Reseat the LCD connectors. •...
  • Page 44 ThinkPad X1 Carbon Gen 12 and ThinkPad X1 2-in-1 Gen 9 Hardware Maintenance Manual...

  • Page 45: Chapter 5. Special Keys

    Open Magnifier. Fn + 4 Enter sleep mode. Fn + B Break operation. Fn + K Scroll contents. Fn + P Pause operation. Fn + S Send system request. Fn + N Open system information Window. © Copyright Lenovo 2024...
  • Page 46 ThinkPad X1 Carbon Gen 12 and ThinkPad X1 2-in-1 Gen 9 Hardware Maintenance Manual...

  • Page 47: Chapter 6. Locations

    Chapter 6. Locations Locating computer controls and connectors Front ThinkPad X1 Carbon Gen 12 Description Description Item Item Microphone Infrared camera / Camera Webcam privacy shutter Touch screen © Copyright Lenovo 2024...
  • Page 48 Note: Depending on models, your computer comes with either a trackpad or a Haptic Touchpad. NFC function is only for selected models with trackpad. ThinkPad X1 2-in-1 Gen 9 ThinkPad X1 Carbon Gen 12 and ThinkPad X1 2-in-1 Gen 9 Hardware Maintenance Manual...

  • Page 49: Side View

    Description Description Item Item Microphone Infrared camera / Camera Webcam privacy shutter Touch screen ® TrackPoint pointing stick Fingerprint reader Trackpad / Haptic Touchpad * for selected models Note: Depending on models, your computer comes with either a trackpad or a Haptic Touchpad. NFC function is for selected models with trackpad.

  • Page 50: Bottom

    As such, it is recommended that users avoid prolonged direct contact with the bottom of the computer. ThinkPad X1 Carbon Gen 12 and ThinkPad X1 2-in-1 Gen 9 Hardware Maintenance Manual...

  • Page 51: Locating Frus And Crus

    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...

  • Page 52: Major Frus And Crus

    Major FRUs and CRUs ThinkPad X1 Carbon Gen 12 and ThinkPad X1 2-in-1 Gen 9 Hardware Maintenance Manual...
  • Page 53 NFC module sponge* NFC module* Nano-SIM-card tray* USB bracket Fan cable guide Lenovo Slim Pen (for ThinkPad X1 2-in-1 Gen 9 only) Lenovo factory recovery USB key* Miscellaneous parts kits (see “Miscellaneous parts” on page 48) Power cord* ac power adapter*...

  • Page 54: Miscellaneous Parts

    To view each FRU and the exploded illustration of the computer, see “Major FRUs and CRUs” on page 46. Note: Depending on your computer model, some connectors or cables might not be available. ThinkPad X1 Carbon Gen 12 and ThinkPad X1 2-in-1 Gen 9 Hardware Maintenance Manual...
  • Page 55 System board connectors and cables (for selected models) Table 7. System board connector and cable guide Internal cable required Connector (location) Cable connection Thermal fan connctor (internal) Thermal fan cables The thermal fan comes with two cables. Connect the cables to these connectors.
  • Page 56 Connect the WWAN antenna assembly to these two ends. Trackpad / Haptic Touchpad connector Connect this end to the trackpad / Haptic Touchpad. For models with NFC ThinkPad X1 Carbon Gen 12 and ThinkPad X1 2-in-1 Gen 9 Hardware Maintenance Manual...

  • Page 57: Looking Up Fru Information

    Connect this end to the trackpad / Haptic Touchpad. NFC connector Connect this end to the NFC module. Looking up FRU information For detailed FRU information, including part numbers, descriptions, and substitution part numbers, go to: https://support.lenovo.com/partslookup Chapter 6 Locations...
  • Page 58 ThinkPad X1 Carbon Gen 12 and ThinkPad X1 2-in-1 Gen 9 Hardware Maintenance Manual...

  • Page 59: Chapter 7. Fru Replacement Notices

    • Keep the screw kit in your tool bag. For the part number of the screw kit, go to: https://support.lenovo.com/partslookup Tighten screws as follows: • Plastic to plastic Turn an additional angle of 90 degrees after the screw head touches the surface of the plastic part. © Copyright Lenovo 2024...

  • Page 60: Sensor Calibration (For Thinkpad X1 2-In-1 Gen 9 Only)

    If your system board or LCD unit has been replaced, do the following to make sensor calibration: 1. Download the Windows Sensor Calibration Tool by following steps: Note: This Sensor Calibration Tool is limited to Lenovo service providers. You can contact a Lenovo authorized service provider to have your system board or LCD unit replaced.

  • Page 61: Retaining Serial Numbers

    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.

  • Page 62: Retaining The Uuid

    To check what ECAs have been previously applied to the machine, use the ECA Information Read/Write function on the LENOVO ThinkPad Hardware Maintenance Diskette or Maintenance Key. 1. Insert the latest version of LENOVO ThinkPad Hardware Maintenance Diskette or Maintenance Key, and then restart the computer.
  • Page 63 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 latest version of LENOVO ThinkPad Hardware Maintenance Diskette or Maintenance Key, and then restart the computer.
  • Page 64 ThinkPad X1 Carbon Gen 12 and ThinkPad X1 2-in-1 Gen 9 Hardware Maintenance Manual...

  • Page 65: Chapter 8. Removing Or Replacing A Fru

    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. © Copyright Lenovo 2024...

  • Page 66: Removing The Nano-Sim-Card And Nano-Sim-Card Tray

    Note: If the computer you are servicing has a nano-SIM card installed, remove the card with the tray together. 1010 Base cover assembly Removal steps of the base cover assembly ThinkPad X1 Carbon Gen 12 and ThinkPad X1 2-in-1 Gen 9 Hardware Maintenance Manual...

  • Page 67: 1020 Built-In Battery

    • Depending on the country or region of delivery, the labels might be slightly different from the ones in the following illustration. • Due to Lenovo eSupport label being not enabled on early shipped models, some models might have no Lenovo eSupport label.

  • Page 68: 1030 M.2 Solid-State Drive And Bracket

    • Remove or insert the M.2 solid-state drive horizontally. Otherwise the slot might get damaged. ThinkPad X1 Carbon Gen 12 and ThinkPad X1 2-in-1 Gen 9 Hardware Maintenance Manual...

  • Page 69: 1040 Wireless Wan Card (For Selected Models)

    Removal steps of the M.2 solid-state drive and its bracket Step Screw (quantity) Color Torque M2 × L2 mm, flat-head, nylon-coated (2) Black 0.181 Nm (1.85 kgf-cm) 1040 Wireless WAN card (for selected models) For access, remove this FRU: • “1010 Base cover assembly” on page 60 Removal steps of the wireless WAN card Note: A Mylar film might cover the wireless WAN card.
  • Page 70 Type two – Models with 5G wireless WAN card Step Screw (quantity) Color Torque M2 × L2 mm, flat-head, nylon-coated (1) Black 0.181 Nm (1.85 kgf-cm) ThinkPad X1 Carbon Gen 12 and ThinkPad X1 2-in-1 Gen 9 Hardware Maintenance Manual...
  • Page 71 Type three – Models with wireless WAN card bracket only Note: Wireless WAN card bracket is needed for 4G models only. Step Screw (quantity) Color Torque M2 × L2 mm, flat-head, nylon-coated (2) Black 0.181 Nm (1.85 kgf-cm) When installing: A reusable 0.5 mm thickness thermal pad for WWAN card is pasted on system board. Ensure that you keep it when installing a new WWAN card.
  • Page 72 Type two – 4G wireless WAN card with 4 connectors Type three – 5G wireless WAN card Notes: • Keep the tape attached away from the speaker. ThinkPad X1 Carbon Gen 12 and ThinkPad X1 2-in-1 Gen 9 Hardware Maintenance Manual...
  • Page 73 • Ensure that the orange cable does not touch the speaker. • Ensure that the blue cable does not touch the thermal fan. • Do not remove the plastic cover from new antenna connectors until you install the new antennas. Chapter 8 Removing or replacing a FRU...

  • Page 74: 1050 Thermal Fan Assembly

    Either too much or too less application of grease can cause a thermal problem due to imperfect contact with a component. Note: It’s recommended that the thickness of the thermal grease is less than 0.2 mm. ThinkPad X1 Carbon Gen 12 and ThinkPad X1 2-in-1 Gen 9 Hardware Maintenance Manual...

  • Page 75: 1060 Speaker Assembly

    1060 Speaker assembly For access, remove these FRUs in order: • “1010 Base cover assembly” on page 60 • “1020 Built-in battery” on page 61 Removal steps of the speaker assembly When installing: • Ensure that the connector is attached firmly. •...

  • Page 76: 1070 Trackpad / Haptic Touchpad, Fingerprint Reader, P Sensor And Nfc Cable

    Removal steps of the trackpad / Haptic Touchpad, fingerprint reader, and P sensor cable (for models without NFC module) 1080 Wireless WAN antenna assembly (for selected models) For access, remove these FRUs: • “1010 Base cover assembly” on page 60 ThinkPad X1 Carbon Gen 12 and ThinkPad X1 2-in-1 Gen 9 Hardware Maintenance Manual...

  • Page 77: 1090 Wireless Wan Antenna Cable Guide Rubber (For Selected Models)

    • “1020 Built-in battery” on page 61 Removal steps of the wireless WAN antenna assembly Step Screw (quantity) Color Torque M1.6 × L2.6 mm, flat-head, nylon-coated (4) Black 0.098 Nm (1.0 kgf-cm) When installing: Ensure that the connector is attached firmly. 1090 Wireless WAN antenna cable guide rubber (for selected models) For access, remove these FRUs: •...

  • Page 78: 1100 Coin-Cell Battery

    Removal steps of the wireless WAN antenna cable guide rubber 1100 Coin-cell battery DANGER Use only the Lenovo authorized battery specified for the computer. Any other battery could ignite or explode. For access, remove these FRUs in order: • “1010 Base cover assembly” on page 60 •...

  • Page 79: 1110 Fan Cable Guide

    Torque Step Screw (quantity) Color M1.6 × L2.6 mm, flat-head, nylon-coated (4) Silver 0.098 Nm (1.0 kgf-cm) For ThinkPad X1 2-in-1 Gen 9 Step Screw (quantity) Color Torque 0.098 Nm M1.6 × L2.6 mm, flat-head, nylon-coated (2) Silver (1.0 kgf-cm) When installing: Ensure that you install the fan cable guide as shown below.

  • Page 80: 1120 Usb Bracket

    1130 NFC module and NFC sponge (for selected models) For access, remove these FRUs in order: • “1010 Base cover assembly” on page 60 • “1020 Built-in battery” on page 61 ThinkPad X1 Carbon Gen 12 and ThinkPad X1 2-in-1 Gen 9 Hardware Maintenance Manual...

  • Page 81: 1140 Trackpad / Haptic Touchpad And Its Spill Mylar

    Removal steps of the NFC sponge and NFC module 1140 Trackpad / Haptic Touchpad and its spill mylar For access, remove these FRUs in order: • “1010 Base cover assembly” on page 60 • “1020 Built-in battery” on page 61 Removal steps of the trackpad / Haptic Touchpad and its spill mylar For trackpad Note: NFC module is for selected models.

  • Page 82: Step Screw (Quantity)

    Step Screw (quantity) Color Torque 0.181 Nm M2 × L2.0 mm Fine pitch, flat-head, nylon-coated (7) Silver (1.85 kgf-cm) ThinkPad X1 Carbon Gen 12 and ThinkPad X1 2-in-1 Gen 9 Hardware Maintenance Manual...
  • Page 83 For Haptic Touchpad Chapter 8 Removing or replacing a FRU...
  • Page 84 2. Install the trackpad with jig and install the screws to fix the trackpad. ThinkPad X1 Carbon Gen 12 and ThinkPad X1 2-in-1 Gen 9 Hardware Maintenance Manual...
  • Page 85 3. Remove the Jig. For Haptic Touchpad 1. A trackpad jig might come with the trackpad which is used for fixing the location of the trackpad. Peel off the adhesive tapes as shown by arrows , and attach the trackpad jig to the trackpad surface Note: Ensure that the seven dots on the Haptic Touchpad and the jig are aligned.
  • Page 86 Note: Ensure that the tails are lying into the keyboard and keyboard bezel assembly after installing. 4. Press the side points when fastening the screw and tighten the screws as shown. 5. Remove the Jig. ThinkPad X1 Carbon Gen 12 and ThinkPad X1 2-in-1 Gen 9 Hardware Maintenance Manual...

  • Page 87: 1150 System Board With Ssd Thermal Pad

    • After replacing the system board, remember to make the sensor calibration. For details, see “Sensor calibration (for ThinkPad X1 2-in-1 Gen 9 only)” on page 54. • After replacing the system board, use the Maintenance Utility to bind the model type, serial number, and Brand ID of the computer with the new system board.

  • Page 88: For Access, Remove These Frus

    Product name Machine type (MT) ThinkPad X1 Carbon Gen 12 21KC and 21KD ThinkPad X1 2-in-1 Gen 9 21KE and 21KF Removal steps of the system board ThinkPad X1 Carbon Gen 12 and ThinkPad X1 2-in-1 Gen 9 Hardware Maintenance Manual...

  • Page 89: 1160 Lcd Unit

    3. Click Config ➙ Keyboard/Mouse ➙ Keyboard Layout, and then select the keyboard language. 1160 LCD unit Note: If you replace the system board of ThinkPad X1 2-in-1 Gen 9, remember to make the sensor calibration. For details, see “Sensor calibration (for ThinkPad X1 2-in-1 Gen 9 only)” on page 54.
  • Page 90 Table 10. Screw specification of ThinkPad X1 Carbon Gen 12 Step Screw (quantity) Color Torque M2.5 × L4 mm, flat-head, nylon-coated (4) Black 0.294 Nm (3.0 kgf-cm) For ThinkPad X1 2-in-1 Gen 9 ThinkPad X1 Carbon Gen 12 and ThinkPad X1 2-in-1 Gen 9 Hardware Maintenance Manual...

  • Page 91: 1170 Keyboard Assembly

    Table 11. Screw specification of ThinkPad X1 2-in-1 Gen 9 Step Screw (quantity) Color Torque M 2.5 × L4 mm, flat-head, nylon-coated (6) Black 0.294 Nm (3.0 kgf-cm) When installing: Ensure that the connectors are attached firmly. 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.
  • Page 92 • “1140 Trackpad / Haptic Touchpad and its spill mylar” on page 75 • “1150 System board with SSD thermal pad” on page 81 • “1160 LCD unit” on page 83 ThinkPad X1 Carbon Gen 12 and ThinkPad X1 2-in-1 Gen 9 Hardware Maintenance Manual...

  • Page 93: Appendix A. Notices

    Lenovo representative for information on 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.
  • Page 94 USB Implementers Forum. Wi-Fi and Miracast are registered trademarks of Wi-Fi Alliance. All other trademarks are the property of their respective owners. ThinkPad X1 Carbon Gen 12 and ThinkPad X1 2-in-1 Gen 9 Hardware Maintenance Manual...

  • Page 95: Appendix B. Abbreviation Table

    Electrically Erasable Programmable Read-Only Memory Extensible Firmware Interface Electrostatic discharge Field Replaceable Unit General Announce Variant Integrated circuits Liquid Crystal Display Machine type and model POST Power-on self-test RFID Radio-frequency identification Supervisor password UUID Universally unique identifier © Copyright Lenovo 2024...
  • Page 96 ThinkPad X1 Carbon Gen 12 and ThinkPad X1 2-in-1 Gen 9 Hardware Maintenance Manual...
  • Page 98 Part Number: XXXX Printed in China (1P) P/N: XXXX *1PXXXX*...

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