Lenovo 21L7001AGE Hardware Maintenance Manual
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Lenovo 21L7001AGE Hardware Maintenance Manual

Lenovo 21L7001AGE Hardware Maintenance Manual

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ThinkPad L14 Gen 5 and ThinkPad L16 Gen 1
Hardware Maintenance Manual

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  • Page 1 ThinkPad L14 Gen 5 and ThinkPad L16 Gen 1 Hardware Maintenance Manual...
  • Page 2 Second Edition (July 2024) © Copyright Lenovo 2024. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant to a General Services Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS-...

  • Page 3: Table Of Contents

    Reset or restore Windows ... Retaining the UUID... . Use Lenovo recovery options..Reading or writing the ECA information ..
  • Page 4 Install the keyboard ... For ThinkPad L16 Gen 1..Base cover assembly ... . System board .

  • 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 2024...
  • Page 6 ThinkPad L14 Gen 5 and ThinkPad L16 Gen 1 Hardware Maintenance Manual...

  • Page 7: Chapter 1. Safety Information

    • Fan louvers on the machine help to prevent overheating of internal components. Do not obstruct fan louvers or cover them with labels or stickers. Electrical safety Observe the following rules when working on electrical equipment. © Copyright Lenovo 2024...
  • Page 8 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 L14 Gen 5 and ThinkPad L16 Gen 1 Hardware Maintenance Manual...
  • Page 13 PERIGO PERIGO PERIGO Chapter 1 Safety information...
  • Page 14 PERIGO PERIGO PERIGO PERIGO PERIGO DANGER DANGER ThinkPad L14 Gen 5 and ThinkPad L16 Gen 1 Hardware Maintenance Manual...
  • Page 15 DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 16 DANGER VORSICHT VORSICHT VORSICHT VORSICHT ThinkPad L14 Gen 5 and ThinkPad L16 Gen 1 Hardware Maintenance Manual...
  • Page 17 VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1 Safety information...
  • Page 18 ThinkPad L14 Gen 5 and ThinkPad L16 Gen 1 Hardware Maintenance Manual...
  • Page 19 Chapter 1 Safety information...
  • Page 20 ThinkPad L14 Gen 5 and ThinkPad L16 Gen 1 Hardware Maintenance Manual...
  • Page 21 Chapter 1 Safety information...
  • Page 22 ThinkPad L14 Gen 5 and ThinkPad L16 Gen 1 Hardware Maintenance Manual...
  • Page 23 Chapter 1 Safety information...
  • Page 24 ThinkPad L14 Gen 5 and ThinkPad L16 Gen 1 Hardware Maintenance Manual...

  • Page 25: Chapter 2. Important Service Information

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

  • Page 26: How To Use Error Message

    Dynamic Configure To Order (CTO) model This model provides the ability for a customer to configure a Lenovo solution from a Web Site, and have this configuration sent to fulfillment, where it is built and shipped directly to the customer. The machine label and eSupport will load these products as the 4-character MT, 4-character model, and 2-character country code.

  • Page 27: Chapter 3. General Checkout

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

  • Page 28: Checkout Guide

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

  • Page 29: Quick Test Programs

    Vantage app installed. To download and install a quick test program, go to , and follow the instructions https://www.lenovo.com/diags on the Web site. To run a test using quick test program, do the following: Step 1.

  • Page 30: 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 program enables you to view system information and test some hardware devices in your computer, such as memory, storage devices, the LCD, and system board buses.

  • 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 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 L14 Gen 5 and ThinkPad L16 Gen 1 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 Step 1. Go to https://support.lenovo.com/HowToCreateLenovoRecovery Step 2.

  • Page 34: Power-On 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 Chapter 4...

  • Page 36: How To Remove The System Management Password

    a new storage drive to replace the old one by yourself. To check whether the storage drive is a CRU and the relevant replacement procedure, see “Major FRUs and CRUs” on page 50. How to remove the system management password To remove a system management password, do the following: How to remove the system management password if no supervisor password has been set...

  • Page 37: Hibernation Mode

    • 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. Also, in either of the following events, the computer automatically returns from sleep mode and resumes operation: •...

  • Page 38: Numeric Error Codes

    This index can also help you determine, during regular servicing, what FRUs are likely to need to be replaced next. A numeric error is displayed for each error detected in POST or system operation. In the displays, n can be any number.

  • Page 39: Error Messages

    The battery installed is not supported by this system and Replace the battery. will not charge. Please replace the battery with the correct Lenovo battery for this system. Press the Esc key to continue. This system does not support batteries that are not Replace the battery.
  • Page 40 • We recommend that you speak to our Customer Support Center before attempting to service the computer yourself so that you can be directed to the correct documentation and repair information. It might be recommended to have a Lenovo-authorized service provider repair your computer depending on the complexity of the error or fault.

  • Page 41: No-Beep Symptoms

    Blinking patterns Error codes Solutions 0283: PCI resource error 1. Remove PCIe devices (the M.2 card, PCIe card, and so on) (service provider only). 2. If step 1 does not work, replace the system board (service provider only). 0284: TCG-compliant functionality-related Replace the system board (service provider error (might be the BIOS code validation only).

  • 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

    Step 1. Ensure that the computer is connected to ac power. Then, press the power button for about seven seconds to turn off the computer. Step 2. Press Fn, left Ctrl, and the power button at the same time. If the computer displays five solid colors in sequence across the entire screen, it indicates that the LCD functions normally.

  • Page 44: Lenovo Memory Self Repair (For Intel Models Only)

    LCD assembly Lenovo Memory Self Repair (for Intel models only) Lenovo Memory Self Repair (hereafter referred to as repair tool) enables you to repair memory single-bit or single-row failure with internal redundant resources. It is recommended that you use the repair tool in the following situations: •...

  • Page 45: Chapter 5. Special Keys

    Open the context menu of the current active app. Open the Calculator (for ThinkPad L16 Gen 1 only). Put the computer to sleep (for ThinkPad L16 Gen 1 only). Adjust the keyboard backlight. Go to beginning. Go to end. Fn+Tab Open Magnifier. © Copyright Lenovo 2024...
  • Page 46 Key combination Function description Fn+4 Enter sleep mode. Fn+B Break operation. Fn+K Scroll contents. Fn+P Pause operation. Fn+S Send system request. Fn+N Open system information Window. Fn+G Enable / Disable the tapping gesture to launch TrackPoint Quick Menu. ThinkPad L14 Gen 5 and ThinkPad L16 Gen 1 Hardware Maintenance Manual...

  • Page 47: Chapter 6. Locations

    Chapter 6. Locations Locating computer controls and connectors Front view ThinkPad L14 Gen 5 Description Description Item Item Webcam privacy shutter Infrared camera / Camera Microphone Touch screen* ® Power button with fingerprint reader* TrackPoint pointing stick © Copyright Lenovo 2024...
  • Page 48 Description Description Item Item NFC (near field communication) mark* Trackpad TrackPoint Three Buttons * for selected models ThinkPad L16 Gen 1 Description Description Item Item Webcam privacy shutter Infrared camera / Camera Microphone Touch screen* ® Power button with fingerprint reader* TrackPoint pointing stick ThinkPad L14 Gen 5 and ThinkPad L16 Gen 1 Hardware Maintenance Manual...
  • Page 49 Description Description Item Item NFC (near field communication) mark* Trackpad TrackPoint Three Buttons * for selected models Chapter 6 Locations...

  • Page 50: Side View

    Side view AMD models Description Description Item Item ® USB-C power connector (USB 10Gbps) Ethernet connector ® USB-C power connector (USB4 HDMI™ connector 40Gbps) USB-A connector (USB 5Gbps, Always Smart-card slot* On USB) USB-A connector (Hi-Speed USB) Audio connector USB-A connector (USB 5Gbps) Security-lock slot * for selected models ThinkPad L14 Gen 5 and ThinkPad L16 Gen 1 Hardware Maintenance Manual...
  • Page 51 Intel models Description Description Item Item USB-C power connector (USB 20Gbps) Ethernet connector USB-C power connector (Thunderbolt™ HDMI connector USB-A connector (USB 5Gbps, Always Smart-card slot* On USB) USB-A connector (Hi-Speed USB) Audio connector USB-A connector (USB 5Gbps) Security-lock slot * for selected models Chapter 6 Locations...

  • Page 52: Rear View

    Rear view Nano-SIM-card tray* * for selected models ThinkPad L14 Gen 5 and ThinkPad L16 Gen 1 Hardware Maintenance Manual...

  • Page 53: Bottom View

    Bottom view ThinkPad L14 Gen 5 ThinkPad L16 Gen 1 Description Description Item Item Emergency-reset hole Speaker Chapter 6 Locations...
  • Page 54 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. Insert a straightened paper clip into the hole to cut off power supply temporarily. 3.

  • Page 55: 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 56: Major Frus And Crus

    Major FRUs and CRUs ThinkPad L14 Gen 5 Table 5. Major FRUs and CRUs of ThinkPad L14 Gen 5 FRU description Self-service Optional-service LCD unit Keyboard Keyboard bezel assembly ThinkPad L14 Gen 5 and ThinkPad L16 Gen 1 Hardware Maintenance Manual...
  • Page 57 Coin-cell battery NFC cable* NFC module* System board I/O bracket Trackpad cable Trackpad Trackpad waterproof mylar Lenovo factory recovery USB key* Power cord ac power adapter Label kit and miscellaneous parts kits (see “Miscellaneous parts” on page 57) Chapter 6 Locations...
  • Page 58 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 59 ThinkPad L16 Gen 1 Chapter 6 Locations...
  • Page 60 Wireless LAN module connector plastic tape* Coin-cell battery Speaker assembly Built-in battery NFC module* NFC cable* System board I/O bracket Trackpad cable Trackpad Trackpad waterproof mylar Lenovo factory recovery USB key* ThinkPad L14 Gen 5 and ThinkPad L16 Gen 1 Hardware Maintenance Manual...

  • Page 61: 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 62 Table 7. LCD FRUs and CRUs FRU description Self-service Optional-service LCD bezel with webcam privacy shutter LCD panel Microphone rubber Camera and microphone module* Camera connector hook LED/Camera cable* EDP cable Wireless LAN antenna assembly LCD cover assembly Hinges LCD elastic adhesive tapes Wireless WAN antenna assembly* * for selected models Note: Depending on the computer model, your computer might look different from the illustration above.

  • Page 63: Miscellaneous Parts

    Miscellaneous parts Table 8. Miscellaneous part FRU descriptions Self-service Optional-service Screw kit • For ThinkPad L14 Gen 5: – M2 x L2, silver (9) – M2 x L3, black (11) – M2 x L4, silver (9) – M2 x L5.8, silver (3) –...

  • Page 64: 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 50 and “LCD FRUs and CRUs” on page 55.
  • Page 65 Table 9. System board connector and cable guide (continued) Internal cable required Connector/feature Cable connection Connect a USB-C compatible AMD models: USB-C power connector (USB 10Gbps) (external) device to this connector. Intel models: USB-C power connector (USB 20Gbps) (external) AMD models: USB-C power Connect a USB-C compatible or connector (USB4 40Gbps) Thunderbolt 4 compatible device...
  • Page 66 USB I/O board connectors and cables For ThinkPad L14 Gen 5 For ThinkPad L16 Gen 1 Table 10. USB board connector and cable guide Internal cable required Connector/feature Cable connection USB I/O board connector (internal) USB I/O board cable Connect one end to the system board and the other end to this connector.

  • Page 67: Looking Up Fru Information

    (external) into the USB connector. USB-A connector (USB 5Gbps) Insert USB-A compatible devices (external) into the USB connector. 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 68 ThinkPad L14 Gen 5 and ThinkPad L16 Gen 1 Hardware Maintenance Manual...

  • Page 69: Chapter 7. Fru Replacement Notices

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

  • Page 70: Retaining Serial Numbers

    Maintenance Key. Note: Only an authorized Lenovo service technician can access the above Web site. Step 3. Restart the computer. ThinkPad L14 Gen 5 and ThinkPad L16 Gen 1 Hardware Maintenance Manual...

  • Page 71: Retaining The Uuid

    Go to and follow the instructions on the screen to https://www.lenovo.com/maintenanceutilities create a Maintenance Key. Note: Only an authorized Lenovo service technician can access the above Web site. Step 3. Restart the computer. Step 4. When the logo screen is displayed, press Esc. The ThinkPad Config Information Update Utility interface is displayed.

  • Page 72: Reading Or Writing The Eca Information

    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. Step 1. Insert the latest version of LENOVO ThinkPad Hardware Maintenance Diskette or Maintenance Key, and then restart the computer. Step 2.

  • Page 73: Chapter 8. Removing Or Replacing A Fru

    Click Power Options, and then click Choose what the power buttons do on the left pane. Step 3. Click Change settings that are currently unavailable at the top. Step 4. If prompted by User Account Control (UAC), click Yes. © Copyright Lenovo 2024...

  • Page 74: Removing The Nano-Sim Card And Nano-Sim-Card Tray

    Step 5. Clear the Turn on fast startup check box, and then click Save changes. To disable the built-in battery Step 1. Restart your computer. When the logo screen is displayed, immediately press F1 to enter the UEFI BIOS menu. Select Config ➙...
  • Page 75 Step 2. Turn over the computer and open the display. Push the keyboard in the direction as shown by arrows to release the latches from the keyboard bezel. Step 3. Pivot the keyboard slightly upward and then turn over the keyboard Chapter 8 Removing or replacing a FRU...

  • Page 76: Install The Keyboard

    Step 4. Put the keyboard on the palm rest as shown and detach the connectors. Then, remove the keyboard. Install the keyboard Follow the instructions to install the keyboard. Step 1. Attach the connectors and then turn over the keyboard. ThinkPad L14 Gen 5 and ThinkPad L16 Gen 1 Hardware Maintenance Manual...
  • Page 77 Step 2. Insert the keyboard into the keyboard bezel as shown. Ensure that the top edge of the keyboard (the edge that is close to the display) is under the keyboard bezel. Step 3. Slightly press and slide the keyboard .

  • Page 78: Base Cover Assembly

    Step 4. Tighten the screws to secure the keyboard. Step 5. Connect the ac power adapter and all disconnected cables to the computer. Note: Configure the keyboard language in UEFI BIOS. Base cover assembly Follow the instructions to replace the base cover assembly. Before you start, read and print the following instructions.
  • Page 79 3. Close the computer display and turn over the computer. Step 1. Remove the base cover assembly. Loosen the screws that secure the base cover assembly. Press the base cover assembly and then pull it from the hinge and the Ethernet connector Note: Press the base cover assembly with a pressure of less than 5 kg (11.02 lb).

  • Page 80: Applying Labels To The Base Cover Assembly

    If the computer does not start up after you reinstall the base cover assembly, disconnect the ac power adapter and then reconnect it to the computer. 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.
  • Page 81 Item Item GEO label IMEI label USA RTC Battery warning label Country label Genuine Microsoft label S/N label Service QR code COA label Asset tag For ThinkPad L16 Gen 1 Chapter 8 Removing or replacing a FRU...

  • Page 82: Solid-State Drive And Its Bracket (For Selected Models)

    Item Item GEO label IMEI label Country label Genuine Microsoft label S/N label Service QR code COA label Asset tag USA RTC Battery warning label M.2 solid-state drive and its bracket (for selected models) For access, remove this FRU: • “Base cover assembly” on page 72 Attention: The M.2 solid-state drive is sensitive.

  • Page 83: Replace The 2280 M.2 Solid-State Drive

    Step Screw (quantity) Color Torque M2 × L2 mm, flat-head, nylon-coated (2) Silver 0.181 Nm (1.85 kgf-cm) Step 2. Install the 2242 M.2 solid-state drive and its bracket in reverse order. Replace the 2280 M.2 solid-state drive Follow the instructions to replace the 2280 M.2 solid-state drive. Notes: •...

  • Page 84: Wireless Wan Module (For Selected Models)

    Step Screw (quantity) Color Torque M2 × L2 mm, flat-head, nylon-coated (1) Silver 0.181 Nm (1.85 kgf-cm) Step 2. Install the 2280 M.2 solid-state drive in reverse order. Wireless WAN module (for selected models) Follow the instructions to replace the wireless WAN module. For access, remove this FRU: •...

  • Page 85: Memory Module

    Step Screw (quantity) Color Torque M2 × L2 mm, flat-head, nylon-coated (1) Silver 0.181 Nm (1.85 kgf-cm) Step 2. Install the wireless WAN module as shown below. Note: When installing the wireless WAN module, ensure that you connect the orange cable to the connector labeled Orange on the module, and the blue cable to the connector labeled Blue.

  • Page 86: Speaker Assembly

    • “Base cover assembly” on page 72 Attention: Do not touch the contact edge of the memory module. Otherwise, the memory module might get damaged. Note: A Mylar film might cover the memory module. To access the memory module, peel off the film first. Do not damage the mylar film and attach it in place after installation.

  • Page 87: Built-In Battery

    Note: When installing the speaker cable, ensure that you route it properly into the cable guide. 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 88: Thermal Fan

    Step 2. Install the built-in battery in reverse order. Notes: • Ensure that the connector is attached firmly. • Ensure that the base cover assembly is secured in place. Otherwise, the battery connection may fail. Thermal fan For access, remove this FRU: •...
  • Page 89 Step 2. Install the thermal fan in reverse order. Notes: • Ensure that the connector is attached firmly. • Do not press the top of the fan cover and the fan hub. Chapter 8 Removing or replacing a FRU...

  • Page 90: Heat Sink

    Heat sink For access, remove this FRU: • “Base cover assembly” on page 72 Step 1. Remove the heat sink as shown below. Step 2. Install the heat sink in reverse order. When installing: If you are installing back the same heat sink you have removed (not installing a new one), before you attach the heat sink to the computer: •...

  • Page 91: Fingerprint Reader Cable (For Selected Models)

    Table 11. Thermal grease and thermal gel application guide Location Type Common thermal grease Fuji poly SPG30B thermal gel Fingerprint reader cable (for selected models) For access, remove this FRU: • “Base cover assembly” on page 72 For ThinkPad L14 Gen 5 Step 1.

  • Page 92: Usb Bracket

    Step 2. Install the fingerprint reader cable in reverse order. Note: Ensure that the connectors are attached firmly. USB bracket For access, remove this FRU: • “Base cover assembly” on page 72 Step 1. Remove the USB bracket as shown below. Table 12.

  • Page 93: Usb I/O Board And Cable

    Table 13. Screw specifications of ThinkPad L16 Gen 1 Step Screw (quantity) Color Torque Black 0.181 Nm M2.5 × L5 mm, flat-head, nylon-coated (1) (1.85 kgf-cm) 0.181 Nm M2 × L4 mm, flat-head, nylon-coated (1) Silver (1.85 kgf-cm) Step 2. Install the USB bracket in reverse order.

  • Page 94: For Thinkpad L16 Gen 1

    Torque Step Screw (quantity) Color M2 × L4 mm, flat-head, nylon-coated (1) Silver 0.181 Nm (1.85 kgf-cm) M2 × L3 mm, flat-head, nylon-coated (1) Black 0.181 Nm (1.85 kgf-cm) Step 2. Install the USB I/O board and cable in reverse order. For ThinkPad L16 Gen 1 Step 1.
  • Page 95 Chapter 8 Removing or replacing a FRU...

  • Page 96: System Board I/O Bracket

    Torque Step Screw (quantity) Color M2 × L4 mm, flat-head, nylon-coated (3) Silver 0.181 Nm (1.85 kgf-cm) Step 2. Install the USB I/O board and cable in reverse order. System board I/O bracket For access, remove this FRU: • “Base cover assembly” on page 72 Step 1.

  • Page 97: Smart Card Reader And Cable (For Selected Models)

    Step 2. Install the system board I/O bracket in reverse order. Smart card reader and cable (for selected models) For access, remove these FRUs in order: • “Base cover assembly” on page 72 • “Built-in battery” on page 81 For ThinkPad L14 Gen 5 Step 1.

  • Page 98: For Thinkpad L16 Gen 1

    Note: Ensure that the connectors are attached firmly. 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: ThinkPad L14 Gen 5 and ThinkPad L16 Gen 1 Hardware Maintenance Manual...

  • Page 99: Trackpad And Trackpad Cable

    • “Base cover assembly” on page 72 • “Built-in battery” on page 81 Step 1. Remove the coin-cell battery as shown below. Step 2. Install the coin-cell battery in reverse order. Notes: • Ensure that the connector is attached firmly. •...

  • Page 100: Step Screw (Quantity)

    Torque Step Screw (quantity) Color M2 × L2 mm, flat-head, nylon-coated (7) Silver 0.015 Nm (0.15 kgf-cm) ThinkPad L14 Gen 5 and ThinkPad L16 Gen 1 Hardware Maintenance Manual...

  • Page 101: For Thinkpad L16 Gen 1

    Step 2. Install the trackpad and trackpad cable in reverse order. 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. For ThinkPad L16 Gen 1 Step 1.

  • Page 102: Nfc Module (For Selected Models)

    Step Screw (quantity) Color Torque M2 × L2 mm, flat-head, nylon-coated (7) Silver 0.015 Nm (0.15 kgf-cm) Step 2. Install the trackpad and trackpad cable in reverse order. Notes: • A mylar might cover the trackpad, and ensure that you attach the mylar to the trackpad after replacement.

  • Page 103: Power Button With Or Without Fingerprint Reader

    • “Base cover assembly” on page 72 • “Built-in battery” on page 81 Step 1. Remove the NFC module as shown below. Step 2. Install the NFC module in reverse order. Power button with or without fingerprint reader Follow the instructions to replace the power button with or without fingerprint reader. For access, remove these FRUs in order: •...

  • Page 104: For Thinkpad L14 Gen 5

    For ThinkPad L14 Gen 5 Step 1. Remove the power button with or without fingerprint reader as shown below. Step Screw (quantity) Color Torque M2 × L3 mm, flat-head, nylon-coated (1) Black 0.181 Nm (1.85 kgf-cm) Step 2. Install the power button with or without fingerprint reader in reverse order. For ThinkPad L16 Gen 1 Step 1.

  • Page 105: System Board

    Step Screw (quantity) Color Torque M2 × L3 mm, flat-head, nylon-coated (2) Black 0.181 Nm (1.85 kgf-cm) Step 2. Install the power button with or without fingerprint reader in reverse order. System board Follow the instructions to replace the system board. Important notices for handling the system board: When handling the system board, read the following: •...

  • Page 106: For Thinkpad L14 Gen 5

    • “Base cover assembly” on page 72 • “M.2 solid-state drive and its bracket (for selected models)” on page 76 • “Wireless WAN module (for selected models)” on page 78 • “Memory module” on page 79 • “Built-in battery” on page 81 •...

  • Page 107: For Thinkpad L16 Gen 1

    Step Screw (quantity) Color Torque Black 0.181 Nm M2 × L3 mm, flat head, nylon-coated (1) (1.85 kgf-cm) 0.181 Nm M2 × L4 mm, flat head, nylon-coated (1) Silver (1.85 kgf-cm) Step 2. Install the system board in reverse order. Note: Apply thermal grease and thermal gel on the heat sink if needed.
  • Page 108 Step Screw (quantity) Color Torque 0.181 Nm M2 × L4 mm, flat head, nylon-coated (3) Silver (1.85 kgf-cm) M2 × L2 mm, flat head, nylon-coated (2) Black 0.181 Nm (1.85 kgf-cm) Step 2. Install the system board in reverse order. Note: Apply thermal grease and thermal gel on the heat sink if needed.

  • Page 109: How To Configure Keyboard Language In Uefi Bios

    The process of writing product information can only be used once and if unsure, consider getting support from a Lenovo-authorized service technician. Step 1.
  • Page 110 ThinkPad L14 Gen 5 and ThinkPad L16 Gen 1 Hardware Maintenance Manual...

  • Page 111: For Thinkpad L16 Gen 1

    Step Screw (quantity) Color Torque Black 0.294 Nm M 2.5 × L5 mm, flat-head, nylon-coated (6) (3.0 kgf-cm) Step 2. Install the LCD unit in reverse order. Notes: • Ensure that the connectors are attached firmly. • Ensure that the EDP cable conductive tape is correctly pasted to the hinge as shown below. Attention: •...
  • Page 112 ThinkPad L14 Gen 5 and ThinkPad L16 Gen 1 Hardware Maintenance Manual...

  • Page 113: Keyboard Bezel Assembly

    Torque Step Screw (quantity) Color M 2.5 × L5 mm, flat-head, nylon-coated (5) Black 0.294 Nm (3.0 kgf-cm) Step 2. Install the LCD unit in reverse order. Notes: • Ensure that the connectors are attached firmly. • Ensure that the EDP cable conductive tape is correctly pasted to the hinge as shown below. Attention: When you route the cables, ensure that they are not subject to any tension.

  • Page 114: Lcd Bezel With Webcam Privacy Shutter

    • “Speaker assembly” on page 80 • “Built-in battery” on page 81 • “Thermal fan” on page 82 • “Heat sink” on page 84 • “Fingerprint reader cable (for selected models)” on page 85 • “USB bracket” on page 86 •...

  • Page 115: Lcd Panel And Elastic Adhesive Tapes

    Step 1. Remove the LCD hinges as shown below. Table 14. For models with plastic cover Step Screw (quantity) Color Torque M2.5 × L4.5 mm, flat-head, nylon-coated (6) Silver 0.294 Nm (3.0 kgf-cm) Table 15. For models with aluminium cover Step Screw (quantity) Color...

  • Page 116: Installation Steps

    Step 2. Turn over the LCD panel and detach the LCD cable from the LCD panel as shown. Installation steps Follow the instructions to install the LCD panel and elastic adhesive tapes. Step 1. Peel off the release liners from one side of the new elastic adhesive tapes. Apply the tapes to the correct locations.
  • Page 117 Step 2. Attach the LCD cable to the LCD panel as shown. Turn over the LCD panel to secure the LCD panel with tapes. Chapter 8 Removing or replacing a FRU...

  • Page 118: How To Install New Color Profiles After Replacing The Lcd Panel

    How to install new color profiles after replacing the LCD panel Follow the instructions to install new color profiles for LCD panels shipped with the factory color calibration feature. . Type Lenovo Adaptive ICC Profile in the search box and then Step 1. Go to https://pcsupport.lenovo.com...

  • Page 119: Wireless Antenna Assembly

    Step 1. Remove the camera-and-microphone module as shown below. Step 2. Install the camera-and-microphone module in reverse order. Wireless antenna assembly Follow the instructions to replace the wireless antenna assembly. For access, remove these FRUs in order: • “Base cover assembly” on page 72 •...

  • Page 120: Wireless Lan Antennas

    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. Step 2. Install the wireless WAN antennas in reverse order. Wireless LAN antennas Follow the instructions to replace the wireless LAN antennas.

  • Page 121: Antenna Locations

    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. Step 2. Install the wireless LAN antennas in reverse order. Antenna locations The following illustration shows the antenna locations.

  • Page 122: Lcd Cover Assembly

    Wireless LAN auxiliary antenna (yellow) Wireless WAN main antenna (orange)* Wireless WAN auxiliary antenna (blue)* Wireless LAN main antenna (black) * for selected models LCD cover assembly For access, remove these FRUs in order: • “Base cover assembly” on page 72 •...

  • Page 123: 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 124 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, Windows, and 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 ®...

  • Page 125: Appendix B. Abbreviation Table

    Electrically Erasable Programmable Read-Only Memory Extensible Firmware Interface Electrostatic discharge Field Replaceable Unit General Announce Variant Integrated circuits Liquid Crystal Display Machine type and model POST Power-on self-test RFID Radio-frequency identification Supervisor password UUID Universally unique identifier © Copyright Lenovo 2024...
  • Page 126 ThinkPad L14 Gen 5 and ThinkPad L16 Gen 1 Hardware Maintenance Manual...
  • Page 128 Part Number: SP41L93269 Printed in China (1P) P/N: SP41L93269 *1PSP41L93269*...

This manual is also suitable for:

Thinkpad l16 gen 1Thinkpad l14 gen 521l70015ge21l50015ge

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