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Lenovo ThinkPad X1 Nano Gen 3 Hardware Maintenance Manual
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Lenovo ThinkPad X1 Nano Gen 3 Hardware Maintenance Manual

Lenovo ThinkPad X1 Nano Gen 3 Hardware Maintenance Manual

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ThinkPad X1 Nano Gen 3
Hardware Maintenance Manual

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  • Page 1 ThinkPad X1 Nano Gen 3 Hardware Maintenance Manual...
  • Page 2 First Edition (March 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-...

  • Page 3: Table Of Contents

    ....Hibernation mode ... . 1060 Built-in battery ... . . © Copyright Lenovo 2023...
  • Page 4 1120 System board assembly ..Appendix B. Abbreviation table ..83 1130 Wireless-WAN antenna assembly (for selected models) ....ThinkPad X1 Nano Gen 3 Hardware Maintenance Manual...

  • Page 5: About This Manual

    About this manual This manual contains service and reference information for the following products: Product name Machine type (MT) ThinkPad X1 Nano Gen 3 21K1, and 21K2 Use this manual along with the advanced diagnostic tests to troubleshoot problems. Important: •...
  • Page 6 ThinkPad X1 Nano Gen 3 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 2023...
  • Page 8 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. ThinkPad X1 Nano Gen 3 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 Nano Gen 3 Hardware Maintenance Manual...
  • Page 11 DANGER DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 12 ThinkPad X1 Nano Gen 3 Hardware Maintenance Manual...
  • Page 13 PERIGO PERIGO PERIGO Chapter 1 Safety information...
  • Page 14 PERIGO PERIGO PERIGO PERIGO PERIGO DANGER DANGER ThinkPad X1 Nano Gen 3 Hardware Maintenance Manual...
  • Page 15 DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 16 DANGER VORSICHT VORSICHT VORSICHT VORSICHT ThinkPad X1 Nano Gen 3 Hardware Maintenance Manual...
  • Page 17 VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1 Safety information...
  • Page 18 ThinkPad X1 Nano Gen 3 Hardware Maintenance Manual...
  • Page 19 Chapter 1 Safety information...
  • Page 20 ThinkPad X1 Nano Gen 3 Hardware Maintenance Manual...
  • Page 21 Chapter 1 Safety information...
  • Page 22 ThinkPad X1 Nano Gen 3 Hardware Maintenance Manual...
  • Page 23 Chapter 1 Safety information...
  • Page 24 ThinkPad X1 Nano Gen 3 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 2023...

  • 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

    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 program enables you to view system information and test some hardware devices in your computer, such as memory, storage...

  • Page 30: Power System Checkout

    • “Checking the ac power adapter” on page 24 • “Checking the built-in battery and operational charging” on page 25 Checking the ac power adapter If the computer fails only when the ac power adapter is used: ThinkPad X1 Nano Gen 3 Hardware Maintenance Manual...

  • Page 31: Checking The Built-In Battery And Operational Charging

    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 ThinkPad X1 Nano Gen 3 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

    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.

  • 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. • The system is powered off. ThinkPad X1 Nano Gen 3 Hardware Maintenance Manual...

  • Page 37: Symptom-To-Fru Index

    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. If you have defined one of the following actions as the event that causes the system to go into hibernation mode, perform that action.

  • Page 38: Numeric Error Codes

    2. Replace the M.2 solid-state drive. HDD (HDD0) 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 Nano Gen 3 Hardware Maintenance Manual...

  • Page 39: Error Messages

    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.
  • Page 40 The following section describes some beep errors and the corresponding solutions. 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...

  • Page 41: Beep Symptoms

    Error codes Solutions 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). 1. Reconnect the display cable on both the system board side and the computer display side (service provider only) and check the LCD panel.

  • 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 Nano Gen 3 Hardware Maintenance Manual...

  • Page 45: Chapter 5. Special Keys

    ® Answer incoming calls on Microsoft Teams Decline incoming calls on Microsoft Teams Customize the function of this key on the Vantage app Open Snipping Tool Toggle keyboard backlight (for selected models) Break operation Pause operation © Copyright Lenovo 2023...
  • Page 46 Key / Key combination Function Scroll contents Send system request Enter sleep mode To wake up the computer, press Fn or the power button. Go to beginning Go to end ThinkPad X1 Nano Gen 3 Hardware Maintenance Manual...

  • Page 47: Chapter 6. Locations

    Chapter 6. Locations Locating computer controls and connectors Front view Description Description Item Item Microphone Infrared camera Webcam privacy shutter Touch screen ® Speaker TrackPoint pointing stick © Copyright Lenovo 2023...

  • Page 48: Side View

    Fingerprint reader Trackpad TrackPoint buttons * for selected models Side view Description Description Item Item Power button Audio connector ® USB-C (Thunderbolt™ 4) power USB-C (Thunderbolt 4) connector connector * for selected models ThinkPad X1 Nano Gen 3 Hardware Maintenance Manual...

  • Page 49: Rear View

    Rear view Nano-SIM-card tray * for selected models Bottom view Description Description Item Item Emergency-reset hole Speaker Emergency-reset hole If the computer stops responding and you cannot turn it off by pressing the power button, reset your computer: 1. Disconnect your computer from ac power. 2.

  • Page 50: 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 51: Major Frus And Crus

    Major FRUs and CRUs FRU descriptions Self-service CRU Optional-service LCD unit Note: LCD unit is a single FRU. Thermal fan assembly Chapter 6 Locations...
  • Page 52 Power cord ac power adapter Miscellaneous parts (See “Miscellaneous parts” on page 47.) * for selected models Note: Depending on the computer model, your computer might look different from the illustration above ThinkPad X1 Nano Gen 3 Hardware Maintenance Manual...

  • Page 53: Miscellaneous Parts

    • WWAN card thermalpad Connector and cable guide This topic 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 and CRUs” on page 45.
  • Page 54 Thermal fan assembly The thermal fan assembly The thermal fan assembly comes with cable. connector (internal) comes with the cable. Connect the cable to this connector. ThinkPad X1 Nano Gen 3 Hardware Maintenance Manual...

  • Page 55: Looking Up Fru Information

    Insert a Wireless-WAN card into this slot. (internal) Nano-SIM-card slot Insert a nano-SIM card into this slot to (external) establish WWAN connection. 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 56 ThinkPad X1 Nano Gen 3 Hardware Maintenance Manual...

  • Page 57: 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 2023...

  • Page 58: 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 59: 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 60 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 61: 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 2023...

  • Page 62: Disable Fast Startup And The Built-In Battery

    Wait three to five minutes to let the computer cool. 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. ThinkPad X1 Nano Gen 3 Hardware Maintenance Manual...

  • Page 63: 1010 Base Cover Assembly

    1010 Base cover assembly Removal steps of the base cover assembly Label locations on the base cover assembly The following illustration shows the location of each label. Chapter 8 Removing or replacing a FRU...

  • Page 64: 1020 2242 M.2 Solid-State Drive

    Torque M2 × L3 mm, flat-head, nylon-coated (2) Black 0.294 Nm (3.0 kgf-cm) Note: A thermalpad might cover the SSD, and ensure that you attach the thermalpad to the SSD after replacement. ThinkPad X1 Nano Gen 3 Hardware Maintenance Manual...

  • Page 65: 1030 Wireless-Wan Card (For Selected Models)

    1030 Wireless-WAN card (for selected models) For access, remove this FRU: • “1010 Base cover assembly” on page 57 Removal steps of the wireless-WAN Step Screw (quantity) Color Torque M2 × L2.2 mm, big-hat, nylon-coated (1) Black 0.181 Nm (1.85 kgf-cm) When installing: •...

  • Page 66: 1050 Power Button Board And Power Button Board Cable

    1050 Power button board and power button board cable For access, remove this FRU: • “1010 Base cover assembly” on page 57 ThinkPad X1 Nano Gen 3 Hardware Maintenance Manual...
  • Page 67 Removal steps of the power button board Step Screw (quantity) Color Torque M2 × L2.2 mm, flat-head, nylon-coated (1) Black 0.181 Nm (1.85 kgf-cm) Chapter 8 Removing or replacing a FRU...

  • Page 68: 1060 Built-In Battery

    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.

  • Page 69: 1070 Speaker Assembly Near The Built-In Battery

    Step Screw (quantity) Color Torque M2 × L4.5 mm, flat-head, nylon-coated (6) Silver 0.181 Nm (1.85 kgf-cm) Note: After the built-in battery is removed or re-installed, Date/Time, power-on password and system management passwords are initialized. Press F1 to enter the ThinkPad Setup program to change Date/Time. 1070 Speaker assembly near the built-in battery For access, remove these FRUs: •...

  • Page 70: 1080 Trackpad And Fingerprint Reader Cable

    When installing: ensure that cable guide cover is installed firmly. 1080 Trackpad and fingerprint reader cable For access, remove these FRUs in order: • “1010 Base cover assembly” on page 57 • “1060 Built-in battery” on page 62 ThinkPad X1 Nano Gen 3 Hardware Maintenance Manual...

  • Page 71: 1090 Trackpad

    Removal steps of the trackpad and fingerprint reader 1090 Trackpad For access, remove these FRUs in order: • “1010 Base cover assembly” on page 57 • “1060 Built-in battery” on page 62 Chapter 8 Removing or replacing a FRU...
  • Page 72 Removal steps of the trackpad Step Screw (quantity) Color Torque M2 × L1.8 mm, fine pitch, nylon-coated (4) Black 0.181 Nm (1.85 kgf-cm) ThinkPad X1 Nano Gen 3 Hardware Maintenance Manual...
  • Page 73 Installation steps of trackpad 1. A trackpad jig might come with the trackpad which is used for fixing the location of the trackpad. Attach the trackpad jig to the trackpad and bend the four angles as shown by arrows below. Chapter 8 Removing or replacing a FRU...
  • Page 74 2. Install the trackpad with jig as shown. 3. Install the screws to fix the trackpad. Ensure that trackpad mylar is attached well. ThinkPad X1 Nano Gen 3 Hardware Maintenance Manual...

  • Page 75: 1100 Fingerprint Reader Module And Bracket

    4. Remove the trackpad jig. 1100 Fingerprint reader module and bracket For access, remove these FRUs in order: • “1010 Base cover assembly” on page 57 • “1060 Built-in battery” on page 62 Removal steps of the fingerprint reader module and bracket Chapter 8 Removing or replacing a FRU...

  • Page 76: 1110 Wireless-Lan Antenna Assembly

    1110 Wireless-LAN antenna assembly For access, remove these FRUs in order: • “1010 Base cover assembly” on page 57 • “1040 Thermal fan assembly” on page 59 • “1060 Built-in battery” on page 62 ThinkPad X1 Nano Gen 3 Hardware Maintenance Manual...
  • Page 77 Removal steps of wireless-LAN 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) 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 78: 1120 System Board Assembly

    • “1020 2242 M.2 solid-state drive” on page 58 • “1030 Wireless-WAN card (for selected models)” on page 59 • “1040 Thermal fan assembly” on page 59 • “1060 Built-in battery” on page 62 ThinkPad X1 Nano Gen 3 Hardware Maintenance Manual...
  • Page 79 Removal steps of the system board assembly Step Screw (quantity) Color Torque M2 × L2.2 mm, big-hat, nylon-coated (8) Black 0.181 Nm (1.85 kgf-cm) Black 0.137 Nm M2 × L2 mm, big-hat, nylon-coated (1) (1.4 kgf-cm) Chapter 8 Removing or replacing a FRU...

  • Page 80: 1130 Wireless-Wan Antenna Assembly (For Selected Models)

    • “1010 Base cover assembly” on page 57 • “1040 Thermal fan assembly” on page 59 • “1060 Built-in battery” on page 62 • “1070 Speaker assembly near the built-in battery” on page 63 ThinkPad X1 Nano Gen 3 Hardware Maintenance Manual...
  • Page 81 Step Screw (quantity) Color Torque M1.6 × L2.6 mm, flat-head, nylon-coated (2) Black 0.098 Nm (1.0 kgf-cm) 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. When installing: ensure that you connect the orange cable to the main connector, and the blue cable to the auxiliary connector.

  • Page 82: 1140 Speaker Assembly Near The Hinges

    • “1060 Built-in battery” on page 62 • “1120 System board assembly” on page 72 • “1130 Wireless-WAN antenna assembly (for selected models)” on page 74 Removal steps of the speaker assembly near the hinges ThinkPad X1 Nano Gen 3 Hardware Maintenance Manual...

  • Page 83: 1150 Lcd Unit

    Step Screw (quantity) Color Torque M1.6 × L2.6 mm, flat-head, nylon-coated (2) Black 0.098 Nm (1.0 kgf-cm) 1150 LCD unit For access, remove these FRUs in order: • “1010 Base cover assembly” on page 57 Chapter 8 Removing or replacing a FRU...
  • Page 84 Removal steps of the LCD unit Step Screw (quantity) Color Torque M2.5 × L3.5 mm, flat-head, nylon-coated (6) Silver 0.294 Nm (3.0 kgf-cm) ThinkPad X1 Nano Gen 3 Hardware Maintenance Manual...

  • Page 85: 1160 Keyboard Bezel Assembly With Keyboard

    1160 Keyboard bezel assembly with keyboard To remove the keyboard bezel assembly, remove these FRUs in order: • “1010 Base cover assembly” on page 57 • “1020 2242 M.2 solid-state drive” on page 58 • “1030 Wireless-WAN card (for selected models)” on page 59 •...
  • Page 86 • “1120 System board assembly” on page 72 • “1130 Wireless-WAN antenna assembly (for selected models)” on page 74 • “1140 Speaker assembly near the hinges” on page 76 • “1150 LCD unit” on page 77 ThinkPad X1 Nano Gen 3 Hardware Maintenance Manual...

  • Page 87: 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 88 Trademarks LENOVO, LENOVO logo, THINKPAD, THINKPAD logo, and TRACKPOINT are trademarks of Lenovo. Intel and Thunderbolt are trademarks of Intel Corporation or its subsidiaries in the U.S. and/or other countries. Microsoft, Microsoft Teams, and Windows 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.

  • Page 89: 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 2023...
  • Page 90 ThinkPad X1 Nano Gen 3 Hardware Maintenance Manual...
  • Page 92 Part Number: SP41G56279 Printed in China (1P) P/N: SP41G56279 *1PSP41G56279*...

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