Lenovo 21F6005GGE Hardware Maintenance Manual
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Lenovo 21F6005GGE Hardware Maintenance Manual

Lenovo 21F6005GGE Hardware Maintenance Manual

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ThinkPad T14s Gen 4
Hardware Maintenance Manual

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Summary of Contents for Lenovo 21F6005GGE

  • Page 1 ThinkPad T14s Gen 4 Hardware Maintenance Manual...
  • Page 2 First Edition (April 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

    (for selected models) ... Sleep mode ....1040 Built-in battery ... . . © Copyright Lenovo 2023...
  • Page 4 1050 I/O bracket ....1170 LCD unit (for selected models) ..1060 Thermal fan assembly ..1180 Keyboard assembly .

  • Page 5: About This Manual

    Some statements in this manual might not be applicable to the computer. • Before servicing a product, be sure to read all the information under Chapter 1 “Safety information” on page 1 and Chapter 2 “Important service information” on page 19. © Copyright Lenovo 2023...
  • Page 6 ThinkPad T14s Gen 4 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 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 (ESD).

  • 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

    2. Ensure 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. •...
  • Page 11 DANGER DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 12 ThinkPad T14s Gen 4 Hardware Maintenance Manual...
  • Page 13 PERIGO PERIGO PERIGO Chapter 1 Safety information...
  • Page 14 PERIGO PERIGO PERIGO PERIGO PERIGO DANGER DANGER ThinkPad T14s Gen 4 Hardware Maintenance Manual...
  • Page 15 DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 16 DANGER VORSICHT VORSICHT VORSICHT VORSICHT ThinkPad T14s Gen 4 Hardware Maintenance Manual...
  • Page 17 VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1 Safety information...
  • Page 18 ThinkPad T14s Gen 4 Hardware Maintenance Manual...
  • Page 19 Chapter 1 Safety information...
  • Page 20 ThinkPad T14s Gen 4 Hardware Maintenance Manual...
  • Page 21 Chapter 1 Safety information...
  • Page 22 ThinkPad T14s Gen 4 Hardware Maintenance Manual...
  • Page 23 Chapter 1 Safety information...
  • Page 24 ThinkPad T14s Gen 4 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

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

  • 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 Wire Voltage (V dc) +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. ThinkPad T14s Gen 4 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

    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.

  • 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

    Numeric error codes Symptom or error FRU or action, in sequence 0177 Replace the system board. Bad SVP data, stop POST task—The checksum of the supervisor password in the EEPROM is not correct. 0183 1. Run the ThinkPad Setup program. The settings Bad CRC of Security Settings in EFI Variable.

  • 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 T14s Gen 4 Hardware Maintenance Manual...

  • Page 45: Chapter 5. Special Keys

    Open / collapse notification center ® Answer incoming calls on MicroSoft Teams Decline incoming calls on MicroSoft Teams Customize the function of this key on the Vantage app Open Magnifier Open Snipping Tool Toggle keyboard backlight Break operation © Copyright Lenovo 2023...
  • Page 46 Key / Key combination Function Pause operation 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 T14s Gen 4 Hardware Maintenance Manual...

  • Page 47: Chapter 6. Locations

    Chapter 6. Locations Locating computer controls and connectors Front Description Description Item Item Microphone Infrared camera / Camera Webcam privacy shutter Touch screen Power button / Power button with ® TrackPoint pointing stick fingerprint reader © Copyright Lenovo 2023...
  • Page 48 Description Description Item Item NFC (near field communication) mark Trackpad Speaker TrackPoint buttons * for selected models ThinkPad T14s Gen 4 Hardware Maintenance Manual...

  • Page 49: Left And Right

    Left and right Intel models Description Description Item Item ® USB-C (Thunderbolt™ 4) power USB-C (Thunderbolt 4) connector connector Always On USB-A 3.2 Gen 1 connector HDMI™ connector Audio connector Smart-card slot Security-lock slot USB-A 3.2 Gen 1 connector * for selected models Chapter 6 Locations...
  • Page 50 AMD models Description Description Item Item USB-C (USB 4) power connector USB-C (USB 4) connector Always On USB-A 3.2 Gen 1 connector HDMI connector Audio connector Smart-card slot Security-lock slot USB-A 3.2 Gen 1 connector * for selected models ThinkPad T14s Gen 4 Hardware Maintenance Manual...

  • Page 51: Rear View

    Rear view Nano-SIM-card tray* * for selected models Chapter 6 Locations...

  • Page 52: Bottom View

    Bottom view Emergency-reset hole ThinkPad T14s Gen 4 Hardware Maintenance Manual...

  • Page 53: 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 .

  • Page 54: Major Frus And Crus

    Major FRUs and CRUs ThinkPad T14s Gen 4 Hardware Maintenance Manual...
  • Page 55 Power button with or without fingerprint reader Power board Nano-SIM-card tray* System board I/O bracket Wireless WAN antennas* Trackpad spill mylar Trackpad Lenovo factory recovery USB key* Miscellaneous parts kits (see “Miscellaneous parts” on page 51) Power cord ac power adapter Chapter 6 Locations...

  • Page 56: Lcd Frus And Crus

    Notes: • Depending on the computer model, your computer might look different from the illustration above. • The Lenovo factory recovery USB key 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/...

  • Page 57: Miscellaneous Parts

    Table 6. LCD FRUs and CRUs (continued) FRU description Self-service Optional-service Dummy Camera shutter* LCD panel Mic rubbers Camera and microphone module* Camera-and-microphone-module cable* LCD cover assembly LCD hinges LCD cable Wireless LAN/WAN antenna assembly* * for selected models Note: Depending on the computer model, your computer might look different from the illustration above. Miscellaneous parts Table 7.

  • Page 58: Connector And Cable Guide

    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 48 and “LCD FRUs and CRUs” on page 50.
  • Page 59 Table 8. System board connector and cable guide (continued) Internal cable required Connector/feature Cable connection Speaker assembly connector Speaker assembly cable The speaker assembly comes with (internal) a cable. Connect the cable to this connector. M.2 Solid-state drive slot (internal) Insert a solid state drive into this slot.

  • Page 60: Looking Up Fru Information

    Install a nano-SIM card into thenano-SIM card tray. Then, insert the tray with the card into this slot Looking up FRU information For detailed FRU information, including part numbers, descriptions, and substitution part numbers, go to: https://support.lenovo.com/partslookup ThinkPad T14s Gen 4 Hardware Maintenance Manual...

  • Page 61: 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 62: 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 63: 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 64 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 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 2023...

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

    5. Clear the Turn on fast startup check box, and then click Save changes. To disable the built-in battery: 1. Restart your computer. When the logo screen is displayed, immediately press F1 to enter the UEFI BIOS menu. 2. Select Config ➙ Power. The Power submenu is displayed. 3.

  • Page 67: 1020 M.2 Solid-State Drive, Bracket, And Thermal Pad (For Selected Models)

    Applying labels to the base cover assembly Notes: • Depending on the country or region of delivery, the labels might be slightly different from the ones in the following illustration. • The new base cover assembly FRU is shipped with a kit containing labels of several kinds. Apply those labels when you replace the base cover assembly.
  • Page 68 • 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. Removal steps of the M.2 2280 solid-state drive and its bracket (if any) •...

  • Page 69: 1030 Wireless Wan Card, Bracket, And Thermal Pad (For Selected Models)

    Step Screw (quantity) Color Torque M2 × 3.5 mm, flat-head, nylon-coated (1) Black 0.181 Nm (1.85 kgf-cm) Note: If the M.2 solid-state drive thermal pad is damaged during replacement, remove the M.2 solid-state drive thermal pad as below and apply a new one on the system board. 1030 Wireless WAN card, bracket, and thermal pad (for selected models) For access, remove this FRU: •...
  • Page 70 • Type 2 Step Screw (quantity) Color Torque M2 × 2.3 mm, flat-head, nylon-coated (1) Black 0.181 Nm (1.85 kgf-cm) When installing: Ensure that you connect the cables with different colors to the corresponding connectors on the card according to the illustrations above: the orange cable to the connector labeled ORANGE, the blue cable to the connector labeled BLUE, the white and grey cable to the connector labeled WHITE GREY, and the black and grey cable to the connector labeled BLACK GREY.

  • Page 71: 1040 Built-In Battery

    1040 Built-in battery DANGER Use only the Lenovo authorized battery specified for the computer. Any other battery could ignite or explode. Important notice 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.

  • Page 72: 1060 Thermal Fan Assembly

    • “1010 Base cover assembly” on page 60 Removal steps Step Screw (quantity) Color Torque 0.181 Nm M1.98 × 3 mm, flat-head, nylon-coated (1) Silver (1.85 kgf-cm) 1060 Thermal fan assembly For access, remove this FRU: • “1010 Base cover assembly” on page 60 Removal steps of the thermal fan assembly ThinkPad T14s Gen 4 Hardware Maintenance Manual...

  • Page 73: 1070 Usb-Card Cable And Usb Card

    When installing: • Ensure that the connector is attached firmly. • Do not press the top of the fan cover and the fan hub. • Before you attach the fan assembly to the computer, apply thermal grease, at an amount of 0.2 grams, on the part marked as shown in the following illustrations.

  • Page 74: 1080 Speaker Assembly

    Torque Step Screw (quantity) Color M1.98 × 3 mm, flat-head, nylon-coated (2) Silver 0.181 Nm (1.85 kgf-cm) 1080 Speaker assembly For access, remove these FRUs in order: • “1010 Base cover assembly” on page 60 Removal steps of the speaker assembly Step Screw (quantity) Color...

  • Page 75: 1090 Coin-Cell Battery

    1090 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 • “1040 Built-in battery” on page 65...

  • Page 76: 1110 Trackpad

    Removal steps of the smart card reader-trackpad-nfc cable When installing: Ensure that the connectors are attached firmly. 1110 Trackpad For access, remove these FRUs in order: • “1010 Base cover assembly” on page 60 • “1040 Built-in battery” on page 65 •...
  • Page 77 Step Screw (quantity) Color Torque Black 0.181 Nm M1.6 × L2.1 mm, flat-head, nylon-coated (7) (1.85 kgf-cm) Notes: • A mylar might cover the trackpad, and ensure that you attach the mylar to the trackpad after replacement. • Ensure that the connector is attached firmly. Installation steps of trackpad 1.

  • Page 78: 1120 Nfc Card

    4. Remove the Jig. 1120 NFC card For access, remove these FRUs in order: • “1010 Base cover assembly” on page 60 • “1040 Built-in battery” on page 65 ThinkPad T14s Gen 4 Hardware Maintenance Manual...

  • Page 79: 1130 Smart Card Reader And Dummy Smart Card Reader (For Selected Models)

    Removal steps of the NFC card 1130 Smart card reader and dummy smart card reader (for selected models) For access, remove these FRUs in order: • “1010 Base cover assembly” on page 60 • “1040 Built-in battery” on page 65 Chapter 8 Removing or replacing a FRU...
  • Page 80 Removal steps of the smart card reader and the dummy smart card reader(without cable) Step Screw (quantity) Color Torque Black 0.15 Nm M1.6 × 2.1 mm, flat-head, nylon-coated (4) (1.0 kgf-cm) ThinkPad T14s Gen 4 Hardware Maintenance Manual...

  • Page 81: 1140 Power Board And Power Button With Or Without Fingerprint Reader

    1140 Power board and power button with or without fingerprint reader For access, remove this FRU: • “1010 Base cover assembly” on page 60 Removal steps of the power board and power button with or without fingerprint reader Chapter 8 Removing or replacing a FRU...

  • Page 82: 1150 Wireless Wan Antennas (For Selected Models)

    Step Screw (quantity) Color Torque M1.98 × 3 mm, flat-head, nylon-coated (2) Silver 0.181 Nm (1.85 kgf-cm) M2 × 2.3 mm, flat-head, nylon-coated (2) Black 0.181 Nm (1.85 kgf-cm) Attention: When installing: • For models with fingerprint reader, ensure that the acetate tape marked as shown is removed from the fingerprint reader connector before attaching the connector.

  • Page 83: 1160 System Board

    Removal steps of the wireless WAN antennas Step Screw (quantity) Color Torque M1.6 × 2.6 mm, flat-head, nylon-coated (4) Black 0.181 Nm (1.85 kgf-cm) When installing: Ensure that the connector is attached firmly. 1160 System board Important notices for handling the system board: When handling the system board, read the following: •...
  • Page 84 • 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. •...

  • Page 85: 1170 Lcd Unit (For Selected Models)

    Step Screw (quantity) Color Torque 0.181 Nm M1.98 × 3 mm, flat head, nylon-coated (3) Silver (1.85 kgf-cm) M2 × 2.3 mm, flat head, nylon-coated (1) Black 0.181 Nm (1.85 kgf-cm) When installing: Configure the keyboard language in UEFI BIOS: 1.
  • Page 86 Table 9. Screw specification Step Screw (quantity) Color Torque Black 0.294 Nm M 2.5 × 5 mm, flat-head, nylon-coated (6) (3.0 kgf-cm) ThinkPad T14s Gen 4 Hardware Maintenance Manual...

  • Page 87: 1180 Keyboard Assembly

    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. 1180 Keyboard assembly For access, remove these FRUs: •...

  • Page 88: 2020 Lcd Hinges

    Removal steps of the LCD bezel sheet and LCD bezel When installing: Ensure that all the latches are attached firmly. Notes: • After the LCD bezel sheet is removed , it cannot be used anymore. A new LCD bezel sheet is required for replacement.

  • Page 89: 2030 Lcd Panel And Elastic Adhesive Tapes

    Removal steps of the LCD hinges Table 10. Screw specification Torque Step Screw (quantity) Color M2.5 × 3.5 mm, flat-head, nylon-coated (6) Black 0.294 Nm (3.0 kgf-cm) 2030 LCD panel and elastic adhesive tapes For access, remove these FRUs in order: •...
  • Page 90 2. Turn over the LCD panel and detach the LCD cable from the LCD panel as shown. ThinkPad T14s Gen 4 Hardware Maintenance Manual...
  • Page 91 Installation steps of LCD panel and elastic adhesive tapes 1. Apply the tapes to the correct locations. Peel off 1/3 of the release liners from one side of the new elastic adhesive tapes. Peel off 1/3 of the release liners from the other side of the tapes. Ensure that the tapes are applied correctly as shown.

  • Page 92: 2040 Lcd Cable

    2040 LCD cable For access, remove these FRUs in order: • “1010 Base cover assembly” on page 60 • “1170 LCD unit (for selected models)” on page 79 • “2010 LCD bezel sheet and LCD bezel” on page 81 • “2020 LCD hinges” on page 82 •...

  • Page 93: 2070 Wireless Lan And Wireless Wan Antenna Assembly (For Selected Models)

    • “1170 LCD unit (for selected models)” on page 79 • “2010 LCD bezel sheet and LCD bezel” on page 81 • “2020 LCD hinges” on page 82 • “2030 LCD panel and elastic adhesive tapes” on page 83 • “2050 Camera shutter” on page 86 Removal steps of the camera-and-microphone module Removal steps of the camera-and-microphone-module cable 2070 Wireless LAN and Wireless WAN antenna assembly (for selected...
  • Page 94 Removal steps of the wireless LAN/WAN antenna assembly 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. ThinkPad T14s Gen 4 Hardware Maintenance Manual...
  • Page 95 Antenna locations • Type 1（For Wireless LAN module） • Type 2（For Wireless LAN module） Chapter 8 Removing or replacing a FRU...
  • Page 96 • Type 3（For Wireless LAN module and Wireless WAN module） ThinkPad T14s Gen 4 Hardware Maintenance Manual...

  • Page 97: 2080 Lcd Cover Assembly

    • Type 4（For Wireless LAN module and Wireless WAN module） Wireless LAN auxiliary antenna (black) Wireless LAN main antenna (gray) Wireless WAN main antenna (orange, for selected models) Wireless WAN auxiliary antenna (blue, for selected models) Wireless WAN MIMO 2 antenna (black and gray, for selected models) Wireless WAN MIMO 1 antenna (white and gray, for selected models) 2080 LCD cover assembly For access, remove these FRUs in order:...
  • Page 98 • “2050 Camera shutter” on page 86 • “2060 Camera-and-microphone module and cable (for selected models)” on page 86 • “2070 Wireless LAN and Wireless WAN antenna assembly (for selected models)” on page 87 ThinkPad T14s Gen 4 Hardware Maintenance Manual...

  • Page 99: 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 100 Trademarks Lenovo, Lenovo logo, ThinkPad, ThinkPad logo, TrackPoint and Ultraconnect are trademarks of Lenovo. Intel, Intel Optane, and Thunderbolt are trademarks of Intel Corporation or its subsidiaries in the U.S. and/or other countries. Linux is the registered trademark of Linus Torvalds in the U.S. and other countries.

  • Page 101: 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 102 ThinkPad T14s Gen 4 Hardware Maintenance Manual...
  • Page 104 Part Number: SP41L23512 Printed in China (1P) P/N: SP41L23512 *1PSP41L23512*...

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