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Lenovo ThinkPad X1 Nano Gen 1 Hardware Maintenance Manual
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Lenovo ThinkPad X1 Nano Gen 1 Hardware Maintenance Manual

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Summary of Contents for Lenovo ThinkPad X1 Nano Gen 1

  • Page 1 X1 Nano Gen 1 Hardware Maintenance Manual...
  • Page 4 Appendix A “Notices” on page 79. Third Edition (May 2021) © Copyright Lenovo 2020, 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-...

  • Page 5: Table Of Contents

    Power management ... . . models) ....Sleep mode ....© Copyright Lenovo 2020, 2021...
  • Page 6 1040 Thermal fan assembly ..1110 Wireless-LAN antenna assembly ..1050 Power button board ..1120 System board assembly ..1060 Built-in battery .

  • Page 7: About This Manual

    About this manual This manual contains service and reference information for ThinkPad X1 Nano Gen 1, machine types (MT): 20UN and 20UQ. 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 ThinkPad products. Use this manual along with the advanced diagnostic tests to troubleshoot problems effectively.
  • Page 8 X1 Nano Gen 1 Hardware Maintenance Manual...

  • Page 9: Chapter 1. Safety Information

    Do not use this type of mat to protect yourself from electrical shock. © Copyright Lenovo 2020, 2021...

  • Page 10: Safety Inspection Guide

    • 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. •...

  • Page 11: Handling Devices That Are Sensitive To Electrostatic Discharge

    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.

  • Page 12: Grounding Requirements

    – 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.
  • Page 13 DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 14 X1 Nano Gen 1 Hardware Maintenance Manual...
  • Page 15 PERIGO PERIGO Chapter 1 Safety information...
  • Page 16 PERIGO PERIGO PERIGO PERIGO PERIGO X1 Nano Gen 1 Hardware Maintenance Manual...
  • Page 17 PERIGO DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 18 DANGER DANGER DANGER DANGER VORSICHT X1 Nano Gen 1 Hardware Maintenance Manual...
  • Page 19 VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1 Safety information...
  • Page 20 VORSICHT VORSICHT VORSICHT X1 Nano Gen 1 Hardware Maintenance Manual...
  • Page 21 Chapter 1 Safety information...
  • Page 22 X1 Nano Gen 1 Hardware Maintenance Manual...
  • Page 23 Chapter 1 Safety information...
  • Page 24 X1 Nano Gen 1 Hardware Maintenance Manual...
  • Page 25 Chapter 1 Safety information...
  • Page 26 X1 Nano Gen 1 Hardware Maintenance Manual...
  • Page 27 Chapter 1 Safety information...
  • Page 28 X1 Nano Gen 1 Hardware Maintenance Manual...

  • Page 29: Chapter 2. Important Service Information

    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.

  • Page 30: Important Notice For Replacing A System Board

    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 31: Fru Identification

    FRU identification To identify FRUs for a product, do the following: 1. Go to: https://support.lenovo.com/partslookup 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.
  • Page 32 X1 Nano Gen 1 Hardware Maintenance Manual...

  • Page 33: Chapter 3. General Checkout

    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. © Copyright Lenovo 2020, 2021...

  • Page 34: 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 35: Quick Test Programs

    Note: The recover bad sectors tool is only available on computers that have hard disk drives installed. 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 Chapter 3 General checkout...

  • Page 36: Power System Checkout

    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: •...

  • Page 37: Checking The Ac Power Adapter

    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.
  • Page 38 X1 Nano Gen 1 Hardware Maintenance Manual...

  • Page 39: Chapter 4. Related Service Information

    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 40: Supervisor Password

    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.

  • Page 41: How To Remove The Hard Disk Password

    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.

  • Page 42: Hibernation Mode

    To enter sleep mode, press Fn+4 or open the Start menu and 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.

  • Page 43: Numeric Error Codes

    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.

  • Page 44: Error Messages

    Table 2. Numeric error codes (continued) Symptom or error FRU or action, in sequence 1820 Remove all but the reader that you set up for the More than one external fingerprint reader is attached. authentication. Power off and remove all but the reader that you set up within your main operating system.

  • Page 45: Beep Symptoms

    UEFI variable storage using the preceding solution. Beep symptoms 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 46 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.

  • Page 47: No-Beep Symptoms

    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: •...

  • Page 48: Intermittent Problems

    Table 5. 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 49: Chapter 5. Special Keys

    Answer incoming calls on Microsoft Teams Decline incoming calls on Microsoft Teams Open Commercial Vantage. You can customize the function of this key on Commercial Vantage. Open Snipping Tool Toggle keyboard backlight Break operation Pause operation © Copyright Lenovo 2020, 2021...
  • Page 50 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 X1 Nano Gen 1 Hardware Maintenance Manual...

  • Page 51: Chapter 6. Locations

    This chapter introduces the locations of the hardware components on your computer. Locating computer controls, connectors, and indicators This topic introduces the locations of the computer controls, connectors, and indicators. Front view Microphone Camera ThinkShutter (Camera cover) Touch screen* ® Speaker TrackPoint pointing stick © Copyright Lenovo 2020, 2021...

  • Page 52: Side View

    Fingerprint reader Trackpad TrackPoint buttons * for selected models Side view Audio connector Power connector ® Thunderbolt™ 4 connector (USB-C Power button Rear view X1 Nano Gen 1 Hardware Maintenance Manual...

  • Page 53: Bottom View

    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 54 – 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. –...

  • Page 55: Major Frus

    Major FRUs Chapter 6 Locations...
  • Page 56 Miscellaneous parts (See “Miscellaneous parts and other FRUs” on page 49.) * for selected models Note: ThinkPad X1 Nano Gen 1 is designed without the coin-cell battery. Therefore, coin-cell battery is not a FRU. X1 Nano Gen 1 Hardware Maintenance Manual...

  • Page 57: Miscellaneous Parts And Other Frus

    Label kit Connector and cable guide This section provides information for Lenovo authorized service technicians to help identify connectors and cables for replacement purpose. To view each FRU and the exploded illustration of the computer, see “Major FRUs” on page 47.

  • Page 58: Looking Up Fru Information

    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 X1 Nano Gen 1 Hardware Maintenance Manual...

  • Page 59: Chapter 7. Fru Replacement Notices

    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 .

  • Page 60: Retaining Serial Numbers

    • 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.

  • Page 61: Retaining The Uuid

    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: Reading Or Writing The Eca Information

    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. Reading or writing the ECA information Information on 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.

  • Page 63: Chapter 8. Removing Or Replacing A Fru

    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...

  • Page 64: Before Servicing The Computer

    Before servicing the computer Carefully read this topic before servicing the computer. Removing external devices Before you start servicing, ensure that you remove all external devices installed by the customer, such as MicroSD card, dock, and external display. Disabling the built-in battery Before replacing any FRU/CRU, ensure that you disable the built-in battery.

  • Page 65: Removing A Major Fru

    Removing a major FRU This section provides instructions on how to remove a major FRU. 1010 Base cover assembly Removal steps of the base cover assembly Installation steps of the base cover assembly Label locations on the base cover assembly The following illustration shows the location of each label.

  • Page 66: 1020 2242 M.2 Solid-State Drive

    IMEI label Country label Asset tag Asset tag_40Y917Y Windows label Serial number label GEO label 1020 2242 M.2 solid-state drive For access, remove this FRU: • “1010 Base cover assembly” on page 57 Attention: • Do not drop the drive or apply any physical shock to it. The drive is sensitive to physical shock. Improper handling can cause damage and permanent loss of data.
  • Page 67 Removal steps of the 2242 M.2 solid-state drive Step Screw (quantity) Color Torque M2 × L3 mm, flat-head, nylon-coated (2) Silver 0.294 Nm (3.0 kgf-cm) Installation steps of the 2242 M.2 solid-state drive Note: Install the M.2 solid-state drive bracket in the orientation as shown. Step Screw (quantity) Color...

  • Page 68: 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 card (for models with MIMO) Step Screw (quantity) Color Torque M2 × L2.2 mm, big-hat, nylon-coated (1) Black 0.181 Nm (1.85 kgf-cm)

  • Page 69: 1040 Thermal Fan Assembly

    Step Screw (quantity) Color Torque M2 × L2.2 mm, big-hat, nylon-coated (1) Black 0.181 Nm (1.85 kgf-cm) When installing: ensure that you connect the orange cable to the main connector, and the blue cable to the auxiliary connector. 1040 Thermal fan assembly For access, remove this FRU: •...

  • Page 70: 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 71: 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 72: 1090 Trackpad

    Removal steps of the trackpad, fingerprint reader and P-sensor cable 1090 Trackpad 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 trackpad X1 Nano Gen 1 Hardware Maintenance Manual...

  • Page 73: 1100 Fingerprint Reader Module And Bracket

    Step Screw (quantity) Color Torque M2 × L1.8 mm, fine pitch, nylon-coated (4) Black 0.181 Nm (1.85 kgf-cm) 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 74: 1110 Wireless-Lan Antenna Assembly

    Step Screw (quantity) Color Torque M2 × L2.2 mm, big-hat, nylon-coated (1) Black 0.181 Nm (1.85 kgf-cm) 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 61 •...

  • Page 75: 1120 System Board Assembly

    Step Screw (quantity) Color Torque M1.6 × L2.6 mm, flat-head, nylon-coated (4) Black 0.097 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. Antenna locations Wireless-LAN antenna (main) Wireless-LAN antenna (auxiliary)
  • Page 76 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.

  • Page 77: 1130 Wireless-Wan Antenna Assembly (For Selected Models)

    Step Screw (quantity) Color Torque M2 × L2.2 mm, big-hat, nylon-coated (8) Black 0.181 Nm (1.85 kgf-cm) 1130 Wireless-WAN antenna assembly (for selected models) Removal steps of wireless-WAN antenna assembly (for models with MIMO) For access, remove these FRUs in order: •...
  • Page 78 Step Screw (quantity) Color Torque M1.6 × L2.6 mm, flat-head, nylon-coated (4) Black 0.098 Nm (1.05 kgf-cm) M2 × L2.2 mm, big-hat, nylon-coated (2) Black 0.181 Nm (1.85 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 79 When installing: ensure that you connect the orange cable to the main connector, the blue cable to the auxiliary connector, the white and grey cable to the M1 connector, and the black and grey cable to the M2 connector. Removal steps of WWAN antenna assembly (for models without MIMO) For access, remove these FRUs in order: •...
  • Page 80 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 81: 1140 Speaker Assembly Near The Hinges

    Antenna locations Wireless WAN antenna (MIMO 2)* Wireless WAN antenna (MIMO 1)* Wireless WAN antenna (auxiliary)* Wireless WAN antenna (main)* * for selected models 1140 Speaker assembly near the hinges For access, remove these FRUs: • “1010 Base cover assembly” on page 57 •...
  • Page 82 Removal steps of the speaker assembly near the hinges Step Screw (quantity) Color Torque M1.6 × L2.6 mm, flat-head, nylon-coated (2) Black 0.098 Nm (1.0 kgf-cm) X1 Nano Gen 1 Hardware Maintenance Manual...

  • Page 83: 1150 Lcd Unit

    1150 LCD unit For access, remove these FRUs in order: • “1010 Base cover assembly” on page 57 Removal steps of the LCD unit Step Screw (quantity) Color Torque 0.294 Nm M2.5 × L3.5 mm, flat-head, nylon-coated (6) Silver (3.0 kgf-cm) Chapter 8 Removing or replacing a FRU...

  • Page 84: 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 60 •...
  • Page 85 • “1150 LCD unit” on page 75 Chapter 8 Removing or replacing a FRU...
  • Page 86 X1 Nano Gen 1 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. ® Microsoft and Windows are trademarks of the Microsoft group of companies. USB-C is a registered trademark of USB Implementers Forum. All other trademarks are the property of their respective owners. ©...
  • Page 90 Part Number: SP40W87684_01 Printed in (1P) P/N: SP40W87684_01...
  • Page 91 *1PSP40W87684_01*...

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