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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).
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.
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. •...
– “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...
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.
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.
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.
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.
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.
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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 6 and ThinkPad L16 Gen 2 Hardware Maintenance Manual...
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.
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.
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. To check whether the storage drive is a CRU and the relevant replacement procedure, see “Major FRUs and CRUs”...
Step 4. Remove the built-in battery. See “Built-in battery” on page 78. Step 5. Remove the coin-cell battery. See “Coin-cell battery” on page 89. Step 6. Reinstall the coin-cell battery. Step 7. Reinstall the built-in battery. Step 8. Reinstall the base cover assembly. Step 9.
Hibernation mode In hibernation mode, the following occurs: • The system status, RAM, VRAM, and setup data are stored on the solid-state drive. • The system is powered off. Note: If the computer enters the hibernation mode while it is connected to the dock, do not disconnect it before resuming normal operation.
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.
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.
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• 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.
Blinking patterns Error codes Solutions 0288: Computer display error 1. Reconnect the display cable on both the system board side and the computer display side (service provider only) and check the LCD panel. 2. If step 1 does not work, connect an external display to your computer and check the status (customer or service provider).
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.
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. •...
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: •...
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Key combination Function description Fn+Tab Open Magnifier. 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 6 and ThinkPad L16 Gen 2 Hardware Maintenance Manual...
Bottom view ThinkPad L14 Gen 6 ThinkPad L16 Gen 2 Description Description Item Item Emergency-reset hole Speaker ThinkPad L14 Gen 6 and ThinkPad L16 Gen 2 Hardware Maintenance Manual...
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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.
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 .
Major FRUs and CRUs ThinkPad L14 Gen 6 Table 5. Major FRUs and CRUs of ThinkPad L14 Gen 6 FRU description Self-service Optional-service LCD unit Keyboard Keyboard bezel assembly Chapter 6 Locations...
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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 56) ThinkPad L14 Gen 6 and ThinkPad L16 Gen 2 Hardware Maintenance Manual...
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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/...
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ThinkPad L16 Gen 2 ThinkPad L14 Gen 6 and ThinkPad L16 Gen 2 Hardware Maintenance Manual...
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Wireless WAN module* Wireless WAN module bracket* Wireless LAN module connector plastic tape Speaker assembly Coin-cell battery Built-in battery NFC module* NFC cable* System board I/O bracket Trackpad cable Trackpad Trackpad waterproof mylar Lenovo factory recovery USB key* Chapter 6 Locations...
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/...
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Table 7. LCD FRUs and CRUs FRU description Self-service Optional-service LCD bezel with webcam privacy shutter LCD panel Microphone rubber Camera rubber* Camera and microphone module* Camera connector hook EDP cable LED/Camera cable* Wireless LAN antenna assembly LCD cover assembly Hinges LCD elastic adhesive tapes Wireless WAN antenna assembly*...
• 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 49 and “LCD FRUs and CRUs” on page 54.
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System board connectors and cables Table 9. System board connector and cable guide Connector/feature Internal cable required Cable connection LCD connector (internal) EDP cable Connect one end to the LCD panel, one end to the camera-and- microphone module, and another end to this connector.
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Table 9. System board connector and cable guide (continued) Internal cable required Connector/feature Cable connection Connect a USB-A compatible USB-A connector (USB 5Gbps, Always On USB) (external) device to this connector. NFC connector (internal) NFC cable Connect one end to the NFC module and the other end to this connector.
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For ThinkPad L16 Gen 2 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.
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 ThinkPad L14 Gen 6 and ThinkPad L16 Gen 2 Hardware Maintenance Manual...
Maintenance Key. Note: Only an authorized Lenovo service technician can access the above Web site. Step 3. Restart the computer. ThinkPad L14 Gen 6 and ThinkPad L16 Gen 2 Hardware Maintenance Manual...
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.
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.
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 ➙...
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Step 1. Loosen the screws that secure the keyboard. 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...
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 6 and ThinkPad L16 Gen 2 Hardware Maintenance Manual...
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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 .
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 Generic Safety and Compliance Notices Notes:...
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2. Turn off the computer and disconnect the computer from ac power and all connected cables. 3. Close the computer display and turn over the computer. Tools needed: • Phillips head screwdriver • Pry tool Step 1. Remove the base cover assembly. Step 2.
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.
Item Item GEO label IMEI label Country label Genuine Microsoft label S/N label Service QR code COA label Asset tag M.2 solid-state drive and its bracket For access, remove this FRU: “Base cover assembly” on page 70. Attention: The M.2 solid-state drive is sensitive. Inappropriate handling might cause damage and permanent loss of data.
Note: There might be thermal pads on the top and under the bottom of the M.2 solid-state drive. When replacing the M.2 solid-state drive, peel off the thermal pad on the M.2 solid-state drive and attach it in place after installing the new M.2 solid-state drive. Ensure that the thermal pad under the M.2 solid-state drive stays in its place and is not removed.
• Wireless WAN ready model identifies that product has preinstalled wireless WAN antennas and allows a user-installable wireless WAN module. • Only wireless WAN model or wireless WAN ready model is allowed to install the optional Lenovo wireless WAN module.
Step 2. Install the wireless WAN module and its bracket 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. Memory module Follow the instructions to replace the memory module.
Tool needed: Phillips head screwdriver Step 1. Remove the memory module as shown below. Step 2. Install the memory module in reverse order. Speaker assembly Follow the instructions to replace the speaker assembly. For access, remove this FRU: “Base cover assembly” on page 70. Step 1.
Batteries supplied by Lenovo for use with your product have been tested for compatibility and should only be replaced with approved parts. A battery other than the one specified by Lenovo, or a disassembled or modified battery may not be covered by warranty.
Step 1. Remove the built-in battery as shown below. Step 2. Before installing the built-in battery, thoroughly check the battery compartment and ensure that there are no foreign or sharp objects that could cause damage to the battery. Step 3. Install the built-in battery in reverse order.
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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. ThinkPad L14 Gen 6 and ThinkPad L16 Gen 2 Hardware Maintenance Manual...
Heat sink For access, remove this FRU: “Base cover assembly” on page 70. Tool needed: Phillips head screwdriver 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: •...
Table 11. Thermal grease and thermal gel application guide Location Type TIG4077 thermal grease (recommend) Fuji poly SPG30B thermal gel (recommend) Fingerprint reader cable (for selected models) For access, remove this FRU: “Base cover assembly” on page 70. For ThinkPad L14 Gen 6 Step 1.
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 70. Tool needed: Phillips head screwdriver Step 1. Remove the USB bracket as shown below. Table 12.
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 2 Step 1.
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ThinkPad L14 Gen 6 and ThinkPad L16 Gen 2 Hardware Maintenance Manual...
Step Screw (quantity) Color Torque 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 70. Tool needed: Phillips head screwdriver Step 1.
Step Screw (quantity) Color Torque M2 × L4 mm, flat-head, nylon-coated (4) Silver 0.181 Nm (1.85 kgf-cm) 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: •...
Install the smart card reader and cable in reverse order. 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. Chapter 8 Removing or replacing a FRU...
For access, remove these FRUs in order: • “Base cover assembly” on page 70 • “Built-in battery” on page 78 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. •...
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Torque Step Screw (quantity) Color M2 × L2 mm, flat-head, nylon-coated (7) Silver 0.107 Nm (1.1 kgf-cm) Chapter 8 Removing or replacing a FRU...
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 2 Step 1.
Torque Step Screw (quantity) Color M2 × L2 mm, flat-head, nylon-coated (7) Silver 0.107 Nm (1.1 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.
• “Base cover assembly” on page 70 • “Built-in battery” on page 78 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: •...
For ThinkPad L14 Gen 6 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 2 Step 1.
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: •...
• “Base cover assembly” on page 70 • “M.2 solid-state drive and its bracket” on page 73 • “Wireless WAN module and its bracket (for selected models)” on page 75 • “Memory module” on page 76 • “Built-in battery” on page 78 •...
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.
Step Screw (quantity) Color Torque M2.5 × L5 mm, flat-head, nylon-coated (6) 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: •...
Step Screw (quantity) Color Torque Black 0.294 Nm M2.5 × L5 mm, flat-head, nylon-coated (5) (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.
Step 1. Remove the LCD hinges as shown below. Table 14. For ThinkPad L14 Gen 6 models with plastic cover and ThinkPad L16 Gen 2 models 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.
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.
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Step 2. Attach the LCD cable to the LCD panel as shown. Turn over the LCD panel to secure the LCD panel with tapes. ThinkPad L14 Gen 6 and ThinkPad L16 Gen 2 Hardware Maintenance Manual...
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...
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 70 •...
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. Wireless WAN antennas (for selected models) Follow the instructions to replace the wireless WAN 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. Antenna locations The following illustration shows the antenna locations.
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 70 •...
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ThinkPad L14 Gen 6 and ThinkPad L16 Gen 2 Hardware Maintenance Manual...
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.
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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 ®...
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