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Lenovo 21AH Hardware Maintenance Manual
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Lenovo 21AH Hardware Maintenance Manual

Lenovo 21AH Hardware Maintenance Manual

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T14 Gen 3 and P14s Gen 3
Hardware Maintenance Manual

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  • Page 1 T14 Gen 3 and P14s Gen 3 Hardware Maintenance Manual...
  • Page 2 First Edition (March 2022) © Copyright Lenovo 2022. 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

    1040 M.2 solid-state drive and M.2 solid-state Sleep mode ....drive bracket (for Intel models only) ..© Copyright Lenovo 2022...
  • Page 4 1050 M.2 solid-state drive and M.2 solid-state drive 1180 Power button board cable and power button board bracket (for AMD models only) ..with or without fingerprint reader ..1060 Wireless WAN card and wireless-WAN-card 1190 Wireless WAN antenna assembly (for bracket (for selected models) .

  • Page 5: About This Manual

    ® This manual contains service and reference information for the following ThinkPad products: ThinkPad T14 Gen 3 Machine types (MT): 21AH, 21AJ, 21CF, and 21CG ThinkPad P14s Gen 3 Machine types (MT): 21AK and 21AL ® ThinkPad T14 Gen 3 might be shipped with different microprocessors, namely Intel and Advanced Micro Devices (AMD).
  • Page 6 T14 Gen 3 and P14s 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 2022...
  • 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 DANGER T14 Gen 3 and P14s Gen 3 Hardware Maintenance Manual...
  • Page 13 PERIGO Chapter 1 Safety information...
  • Page 14 PERIGO PERIGO PERIGO PERIGO T14 Gen 3 and P14s Gen 3 Hardware Maintenance Manual...
  • Page 15 PERIGO PERIGO PERIGO DANGER DANGER Chapter 1 Safety information...
  • Page 16 DANGER DANGER DANGER DANGER DANGER T14 Gen 3 and P14s Gen 3 Hardware Maintenance Manual...
  • Page 17 DANGER VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1 Safety information...
  • Page 18 VORSICHT VORSICHT VORSICHT VORSICHT T14 Gen 3 and P14s Gen 3 Hardware Maintenance Manual...
  • Page 19 Chapter 1 Safety information...
  • Page 20 T14 Gen 3 and P14s Gen 3 Hardware Maintenance Manual...
  • Page 21 Chapter 1 Safety information...
  • Page 22 T14 Gen 3 and P14s Gen 3 Hardware Maintenance Manual...
  • Page 23 Chapter 1 Safety information...
  • Page 24 T14 Gen 3 and P14s Gen 3 Hardware Maintenance Manual...
  • Page 25 Chapter 1 Safety information...
  • Page 26 T14 Gen 3 and P14s Gen 3 Hardware Maintenance Manual...

  • Page 27: Chapter 2. Important Service Information

    – “FRU identification” on page 22 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 28: 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 29: 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 2022...

  • Page 30: 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 31: 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 32: 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 33: 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 34 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. T14 Gen 3 and P14s Gen 3 Hardware Maintenance Manual...

  • Page 35: 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 36: Nvme Passwords

    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 37: 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 38: Power Management

    If no supervisor password has been set, do the following to remove the system management password: 1. Turn off the computer and disconnect ac power. 2. Disable the built-in battery. See “Disabling the built-in battery” on page 61. 3. Remove the base cover assembly. See “1020 Base cover assembly” on page 65. 4.

  • Page 39: Hibernation Mode

    Note: The computer does not accept any input immediately after it enters sleep mode. Wait a few seconds before taking any action to reenter operation mode. Hibernation mode In hibernation mode, the following occurs: • The system status, RAM, VRAM, and setup data are stored on the solid-state drive. •...

  • Page 40: Numeric Error Codes

    Numeric error codes Table 2. 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 41: 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 42 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 43: No-Beep 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 44: 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 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 Snipping Tool Toggle keyboard backlight Break operation Pause operation Scroll contents © Copyright Lenovo 2022...
  • Page 46 Send system request Enter sleep mode To wake up the computer, press Fn or the power button. Go to beginning Go to end T14 Gen 3 and P14s Gen 3 Hardware Maintenance Manual...

  • Page 47: Chapter 6. Locations

    Chapter 6. Locations Locating computer controls and connectors Front Webcam privacy shutter* Infrared camera* / Camera* Power button or power button with Microphone* fingerprint reader ® TrackPoint pointing stick RFID label Trackpad NFC (near field communication) mark* © Copyright Lenovo 2022...
  • Page 48 Speaker TrackPoint buttons Touch screen * for selected models for selected models of T14 Gen 3 T14 Gen 3 and P14s Gen 3 Hardware Maintenance Manual...

  • Page 49: Left And Right

    Left and right Intel models ® USB-C (Thunderbolt™ 4) power Ethernet connector * connector USB-C (Thunderbolt 4) connector HDMI™ connector Always on USB 3.2 connector Gen 1 Audio connector Smart-card slot * USB 3.2 connector Gen 1 Security-lock slot * for selected models Chapter 6 Locations...
  • Page 50 AMD models USB-C (3.2 Gen 2) power connector Ethernet connector * USB-C (3.2 Gen 2) connector HDMI connector Always on USB 3.2 connector Gen 1 Audio connector Smart-card slot * USB 3.2 connector Gen 1 Security-lock slot * for selected models T14 Gen 3 and P14s Gen 3 Hardware Maintenance Manual...

  • Page 51: Rear

    Rear Nano-SIM-card tray * * for selected models Bottom Emergency-reset hole Chapter 6 Locations...

  • Page 52: Locating Frus And Crus

    CRUs, you can either install the CRU yourself or you can request that a Service Provider install the CRU according to the warranty service for your product. If you intend on installing the CRU, 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.

  • Page 53: Major Frus And Crus

    Major FRUs and CRUs Chapter 6 Locations...
  • Page 54 Table 6. Major FRUs and CRUs FRU description Self-service Optional-service LCD unit keyboard Nano-SIM-card tray* Keyboard bezel assembly M.2 solid-state drive thermal pad M.2 solid-state drive M.2 solid-state drive bracket Built-in battery Thermal pad for the wireless WAN card Wireless WAN card* Wireless-WAN-card bracket* Speaker assembly Power button with fingerprint reader module*...
  • Page 55 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 56: Lcd Frus And Crus

    LCD FRUs and CRUs T14 Gen 3 and P14s Gen 3 Hardware Maintenance Manual...
  • Page 57 Table 7. Major FRUs and CRUs FRU description Self-service Optional-service LCD bezel sheet and elastic adhesive tapes Elastic adhesive tapes* LCD bezel Dummy camera shutter Camera shutter Camera with microphone Microphone board for non-camera Mic rubbers Wireless LAN antenna assembly (for silver models)* Wireless LAN antenna assembly (for black models)* Camera/LED cable LCD panel or LCD panel for XRITE*...

  • Page 58: Miscellaneous Parts

    • Spec 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 47 and “LCD FRUs and CRUs” on page 50.
  • Page 59 System board connectors and cables Table 9. System board connector and cable guide Connector/feature Internal cable required Cable connection Fingerprint reader connector Fingerprint reader cable Connect one end of the cable to (internal) the fingerprint reader and the other end to this connector. USB board connector (internal) USB board cable Connect one end of the cable to...
  • Page 60 Table 9. 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. Ethernet card connector (internal) Ethernet card cable Connect one end of the Ethernet card cable to the Ethernet card board and the other end to this...

  • Page 61: Looking Up Fru Information

    The keyboard assembly comes with the cables. Connect the cables to these connectors. * for Intel models only 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 62 T14 Gen 3 and P14s Gen 3 Hardware Maintenance Manual...

  • Page 63: 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 2022...

  • Page 64: 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 65: 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 66 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 67: Chapter 8. Removing Or Replacing An 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 2022...

  • Page 68: Disable Fast Startup And The Built-In Battery

    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 69 • You might be instructed to slide the keyboard frame forward or backward in some of the following steps. In this case, ensure that you do not press or hold the keys while sliding the keyboard frame. Otherwise, the keyboard frame cannot be moved. •...
  • Page 70 When installing: Configure the keyboard language in UEFI BIOS: 1. Enter the UEFI BIOS menu. 2. Click Config ➙ Keyboard/Mouse ➙ Keyboard Layout, and then select the keyboard language. T14 Gen 3 and P14s Gen 3 Hardware Maintenance Manual...

  • Page 71: 1020 Base Cover Assembly

    1020 Base cover assembly Chapter 8 Removing or replacing an FRU...

  • Page 72: 1030 Built-In Battery

    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. The Vantage app provides an automatic battery diagnostic test that determines if the built-in battery is defective. A built-in battery FRU should not be replaced unless this diagnostic test shows that the battery is defective.

  • Page 73: 1040 M.2 Solid-State Drive And M.2 Solid-State Drive Bracket (For Intel Models Only)

    If your computer is installed with a hybrid solid-state drive (with Intel Optane memory), go to https:// support.lenovo.com/docs/tg_ssd to know the details on how to replace it. Chapter 8...
  • Page 74 Removal steps of the M.2 2280 solid-state drive, bracket and thermal pad • Type 1 Step Screw (quantity) Color Torque M2.0 × 2.5 mm, flat-head, nylon-coated (1) Black 0.18 +/- 0.015 Nm (1.85 +/- 0.15 kgf- • Type 2 T14 Gen 3 and P14s Gen 3 Hardware Maintenance Manual...

  • Page 75: 1050 M.2 Solid-State Drive And M.2 Solid-State Drive Bracket (For Amd Models Only)

    2. Go to Settings ➙ Restore profiles. The app will download and install its unique color profiles from Lenovo cloud automatically. 1050 M.2 solid-state drive and M.2 solid-state drive bracket (for AMD models only) For access, remove this FRU: •...
  • Page 76 Step Screw (quantity) Color Torque M2.0 × 2.5 mm, flat-head, nylon-coated (1) Black 0.18 +/- 0.015 Nm (1.85 +/- 0.15 kgf- • Type 2 T14 Gen 3 and P14s Gen 3 Hardware Maintenance Manual...

  • Page 77: 1060 Wireless Wan Card And Wireless-Wan-Card Bracket (For Selected Models)

    Note: If the app is uninstalled, reinstall it by downloading the installation package from https:// pcsupport.lenovo.com/us/en/downloads/DS543953 2. Go to Settings ➙ Restore profiles. The app will download and install its unique color profiles from Lenovo cloud automatically. 1060 Wireless WAN card and wireless-WAN-card bracket (for selected models) For access, remove this FRU: •...

  • Page 78: 1070 I/O Bracket

    When you install the wireless WAN card, ensure that you connect the blue cable to connector AUX and the orange cable to connector MAIN. 1070 I/O bracket For access, remove this FRU: • “1020 Base cover assembly” on page 65 Removal steps of the I/O bracket Step Screw (quantity)
  • Page 79 • 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. Either too much or too less application of grease can cause a thermal problem due to imperfect contact with a component. –...

  • Page 80: 1090 Usb Board Cable, Usb Board And Usb Board Bracket

    1090 USB board cable, USB board and USB board bracket For access, remove these FRUs: • “1020 Base cover assembly” on page 65 Removal steps of the USB board cable, USB board and USB board bracket Step Screw (quantity) Color Torque M2.0 ×...

  • Page 81: 1110 Speaker Assembly

    1110 Speaker assembly For access, remove these FRUs in order: • “1020 Base cover assembly” on page 65 Removal steps of the speaker assembly Torque Step Screw (quantity) Color M2.0 x 2.2 mm, flat-head, nylon-coated (2) Black 0.18 +/- 0.015 Nm (1.85 +/- 0.15 kgf-cm) When installing: •...

  • Page 82: 1130 Memory Module (For Intel Models Only)

    Removal steps of the coin-cell battery When installing: • Ensure that the connector is attached firmly. • Reset the system date and time in the BIOS menu. 1130 Memory module (for Intel models only) For access, remove these FRUs in order: •...

  • Page 83: 1140 Rfid Reader And Rfid Reader Cable (For Selected Models Of T14 Gen 3)

    Installation procedure Note: Memory module replacement might cause memory retraining during POST. When memory retraining occurs, the screen cannot display the progress information and might be blank. You might see the LED indicators on ESC, F1, and F4 blinking sequentially to indicate the progress. Do not press the power button to interrupt the process.
  • Page 84 Removal steps of the trackpad and trackpad cable Note: There might exist a waterproof mylar covering the trackpad, remove the mylar before replacement. Step Screw (quantity) Color Torque M1.6 × L1.8 mm, flat-head, nylon-coated (7) Silver 0.1 +/- 0.015 Nm (1.1 +/- 0.15 kgf-cm) Notes: •...

  • Page 85: 1160 Nfc Module And Nfc Module Cable (For Selected Models)

    1160 NFC module and NFC module cable (for selected models) For access, remove these FRUs in order: • “1020 Base cover assembly” on page 65 • “1030 Built-in battery” on page 66 Removal steps of the NFC module and NFC module cable 1170 Smart card reader, smart card reader cable and dummy smart card reader (for selected models) For access, remove these FRUs in order:...
  • Page 86 Torque Step Screw (quantity) Color M1.6 × 1.8 mm, flat-head, nylon-coated (4) Black 0.1+/- 0.015 Nm (1.1 +/- 0.15 kgf-cm) Removal steps of the dummy smart card reader Torque Step Screw (quantity) Color M1.6 × 1.8 mm, flat-head, nylon-coated (2) Black 0.1+/- 0.015 Nm (1.1 +/- 0.15 kgf-cm)

  • Page 87: 1180 Power Button Board Cable And Power Button Board With Or Without Fingerprint Reader

    1180 Power button board cable and power button board with or without fingerprint reader For access, remove this FRU: • “1020 Base cover assembly” on page 65 Removal steps of the power button board cable and power button board with or without fingerprint reader Chapter 8 Removing or replacing an FRU...
  • Page 88 Step Screw (quantity) Color Torque M2.0 × 3.0 mm, flat-head, nylon-coated (2) Silver 0.18 +/- 0.015 Nm (1.85 +/- 0.15 kgf-cm) T14 Gen 3 and P14s Gen 3 Hardware Maintenance Manual...

  • Page 89: 1190 Wireless Wan Antenna Assembly (For Selected Models)

    Step Screw (quantity) Color Torque M2.0 × 2.3 mm, flat-head, nylon-coated (2) Black 0.18 +/- 0.015 Nm (1.85 +/- 0.15 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 90: 1200 System Board

    Removal steps of the wireless WAN antenna assembly When installing: Ensure that the connector is attached firmly. 1200 System board Important notices for handling the system board: When handling the system board, read the following: • Some components mounted on a system board are very sensitive. Improper handling of a system board can cause damage to those components, and may cause a system malfunction.
  • Page 91 Note: Input the exact brand name as shown in this table. ThinkPad T14 Gen 3 Machine types (MT): 21AH, 21AJ, 21CF, and 21CG ThinkPad P14s Gen 3 Machine types (MT): 21AK and 21AL...

  • Page 92: 1210 Lcd Unit

    Step Screw (quantity) Color Torque M2.0 × 3.0 mm, flat head, nylon-coated (4) silver 0.18 +/- 0.015 Nm (1.85 +/- 0.15 kgf-cm) When installing: Configure the keyboard language in UEFI BIOS: 1. Enter the UEFI BIOS menu. 2. Click Config ➙ Keyboard/Mouse ➙ Keyboard Layout, and then select the keyboard language. 1210 LCD unit For access, remove this FRU: •...
  • Page 93 Chapter 8 Removing or replacing an FRU...

  • Page 94: 2010 Lcd Bezel Sheet And Lcd Bezel

    Step Screw (quantity) Color Torque M 2.5 × 4 mm, flat-head, nylon-coated (5) Black 0.29 +/- 0.03 Nm (3.0 +/-0.3 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 95: 2030 Lcd Panel And Elastic Adhesive Tapes

    • “1020 Base cover assembly” on page 65 • “1070 I/O bracket” on page 72 • “1210 LCD unit” on page 86 • “2010 LCD bezel sheet and LCD bezel” on page 88 Removal steps of the LCD hinges Table 10. Screw specification Step Screw (quantity) Color...
  • Page 96 Table 11. LCD elastic adhesive tapes location (continued) LCD cover assembly material Panel type LCD elastic adhesive tapes location ePrivacy touch Full High Definition panel Removal steps of LCD panel and elastic adhesive tapes • Pull out each tape slowly in the direction as shown until the adhesive tapes are all released from LCD unit. Note: Do not pull the tapes too fast, otherwise, the tapes might snap.

  • Page 97: 2040 Lcd Cable

    1. Turn over the LCD panel and detach the LCD cable from the LCD panel as shown. Installation steps of LCD panel and elastic adhesive tapes Notes: For LCD panel with the factory color calibration feature, do the following to install new color profiles: 1.

  • Page 98: 2050 Camera-And-Microphone Module And Cable

    2050 Camera-and-microphone module and cable For access, remove these FRUs in order: • “1020 Base cover assembly” on page 65 • “1070 I/O bracket” on page 72 • “1210 LCD unit” on page 86 • “2010 LCD bezel sheet and LCD bezel” on page 88 •...

  • 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 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 2022...
  • Page 102 T14 Gen 3 and P14s Gen 3 Hardware Maintenance Manual...
  • Page 104 Part Number: 2022 Printed in China (1P) P/N: 2022 *1P2022*...

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