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Lenovo ThinkPad L440 Hardware Maintenance Manual
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Lenovo ThinkPad L440 Hardware Maintenance Manual

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ThinkPad L440 and L540

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Summary of Contents for Lenovo ThinkPad L440

  • Page 1 Hardware Maintenance Manual ThinkPad L440 and L540...
  • Page 2 Appendix A “Notices” on page 127. First Edition (September 2013) © Copyright Lenovo 2013. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant a General Services Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS-35F-05925.

  • Page 3: Table Of Contents

    ... . ThinkPad L440 overview ..Product definition ... .
  • Page 4 1070 WLAN card ....2010 LCD unit ....1080 Coin-cell battery ... . 2020 LCD front bezel .

  • Page 5: About This Manual

    Before servicing a ThinkPad product, be sure to read all the information under Chapter 1 “Safety information” on page 1 and Chapter 2 “Important service information” on page 23. © Copyright Lenovo 2013...
  • Page 6 Hardware Maintenance Manual...

  • Page 7: Chapter 1. Safety Information

    • Reinstall all covers correctly before returning the machine to the customer. • Fan louvers on the machine help to prevent overheating of internal components. Do not obstruct fan louvers or cover them with labels or stickers. © Copyright Lenovo 2013...

  • Page 8: Electrical Safety

    Electrical safety Observe the following rules when working on electrical equipment. 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.

  • Page 9: Safety Inspection Guide

    0.1 ohm or less between the external ground pin and the frame ground. b. The power cord should be the authorized type specified for your computer. Go to: http://www.lenovo.com/serviceparts-lookup. c. Insulation must not be frayed or worn. 4. Check for cracked or bulging batteries.

  • Page 10: Grounding Requirements

    1. Use product-specific ESD procedures when they exceed the requirements noted here. 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. •...
  • Page 11 DANGER DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 12 DANGER Hardware Maintenance Manual...
  • Page 13 PERIGO PERIGO Chapter 1 Safety information...
  • Page 14 PERIGO PERIGO PERIGO PERIGO PERIGO PERIGO Hardware Maintenance Manual...
  • Page 15 DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 16 DANGER DANGER DANGER VORSICHT VORSICHT Hardware Maintenance Manual...
  • Page 17 VORSICHT VORSICHT VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1 Safety information...
  • Page 18 Hardware Maintenance Manual...
  • Page 19 Chapter 1 Safety information...
  • Page 20 Hardware Maintenance Manual...
  • Page 21 Chapter 1 Safety information...
  • Page 22 Hardware Maintenance Manual...

  • Page 23: Laser Compliance Statement (Multilingual Translations)

    Laser compliance statement (multilingual translations) The laser compliance statements in this section are provided in the following languages: • English • Arabic • Brazilian Portuguese Chapter 1 Safety information...
  • Page 24 • French • German • Hebrew • Japanese • Korean • Spanish • Traditional Chinese Hardware Maintenance Manual...
  • Page 25 Chapter 1 Safety information...
  • Page 26 Hardware Maintenance Manual...
  • Page 27 Chapter 1 Safety information...
  • Page 28 Hardware Maintenance Manual...

  • Page 29: Chapter 2. Important Service Information

    The M.2 solid-state drive is used for “cache” function only. • 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: http://www.lenovo.com/support/phone...

  • Page 30: Strategy For Replacing A Hard Disk Drive, A Solid-State Drive, Or An M.2 Solid-State Drive

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

  • Page 31: Fru Identification

    20AA0009UK). FRU identification Use Lenovo eSupport to identify major FRUs, FRU part numbers, and FRU descriptions for a product at an MT - serial number level. Examples of major FRUs are hard disk drive, system board, liquid crystal display (LCD), and memory module.
  • Page 32 Hardware Maintenance Manual...

  • Page 33: Chapter 3. General Checkout

    This chapter presents following information: • “What to do first” on page 27 • “Checkout guide” on page 28 – “Lenovo Solution Center” on page 28 – “Quick test programs” on page 28 – “UEFI diagnostic program” on page 29 –...

  • Page 34: Checkout Guide

    The Lenovo Solution Center program is available for download at http://www.lenovo.com/diags. To run the Lenovo Solution Center program, go to Control Panel and click System and Security ➙ Lenovo - System Health and Diagnostics, and then follow the instructions on the screen.

  • Page 35: Uefi Diagnostic Program

    • Microsoft Windows Server 2003 • Microsoft Windows Server 2008 To download and install a quick test program, go to http://www.lenovo.com/diags and follow the instructions on the Web site. To run a test using a quick test program, do the following: 1.

  • Page 36: Power System Checkout

    To create a bootable diagnostic medium, do the following: 1. Go to http://www.lenovo.com/diagnose. 2. Click Lenovo Bootable Diagnostics. 3. Follow the instructions on the Web site to create a bootable diagnostic medium on a USB device or CD. To use the diagnostic medium you have created, do one of the following: •...

  • Page 37: Checking Operational Charging

    To check for detailed battery status information, do the following: • For Windows 7: Open the Power Manager program and click the Battery tab. • For Windows 8: Open the Lenovo Support program and click Battery Health, or open the Lenovo Settings program and click Power.

  • Page 38: Checking The Coin-Cell Battery

    2. Remove the battery pack and measure the voltage between battery terminals 1 (+) and 7 (-). The correct voltages are shown in the following table. Terminal Voltage (V dc) + 0 to + 16.8 7(-) Ground (-) 6(-) 2(+) 1(+) 3.

  • Page 39: Chapter 4. Related Service Information

    Service Web site: When the latest maintenance diskette and the system program service diskette become available, they will be posted on http://www.lenovo.com/support. Restoring the factory contents by using the Recovery Disc Set When the main storage drive is replaced because of a failure, no product recovery program ison the new drive.

  • Page 40: Using The Windows Recovery Programs On The Windows 8 Operating System

    9. After you have completed the Windows setup, you might want to restore the original startup sequence. Start the ThinkPad Setup program and then press F9 to restore the default settings. Press F10 to save changes and exit the ThinkPad Setup program. Note: After restoring a drive to the factory default settings, you might need to reinstall some device drivers.
  • Page 41 Using the advanced startup options With the advanced startup options, you can change the firmware settings of the computer, change the startup settings of the Windows operating system, start the computer from an external device, or restore the Windows operating system from a system image. To use the advanced startup options, do the following: 1.

  • Page 42: Passwords

    PC if you want to reset your computer to the factory default settings. For more information about the recovery solutions provided by the Windows 8 operating system, go to: http://www.lenovo.com/accessories/services/index.html Passwords As many as three passwords might be needed for any ThinkPad notebook computer: the power-on password, the hard disk password, and the supervisor password.

  • Page 43: Power-On Password

    To put the system back to operational status, the only Lenovo and Lenovo-authorized service solution would be to replace the hard disk drive or solid-state drive with a scheduled fee.

  • Page 44: How To Remove The Hard-Disk Password

    To put the system back to operational status, the only Lenovo and Lenovo-authorized service solution would be to replace the hard disk drive or solid-state drive with a scheduled fee.

  • Page 45: Hibernation Mode

    To enter sleep mode, do the following: • For Windows 7: Use the Start menu shutdown option. • For Windows 8: Move the pointer to the bottom right corner of the screen to bring up the charms. Then click Settings ➙ Power ➙ Sleep. In certain circumstances, the computer goes into sleep mode automatically: •...

  • Page 46: Numeric Error Codes

    The symptom-to-FRU index in this section lists symptoms and errors and their possible causes. The most likely cause is listed first, in boldface type. Note: Do the FRU replacement or other actions in the sequence shown in the column headed “FRU or action, in sequence.”...

  • Page 47: Error Messages

    Table 2. Numeric error codes (continued) FRU or action, in sequence Symptom or error (beeps, if any) 0253 The system EFI Variable Block Data might have been EFI Variable Block Data was destroyed. corrupted. 0271 Run ThinkPad Setup and reset the date and time. Real Time Clock Error - Check Date and Time settings.

  • Page 48: Beep Errors

    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 49: Intermittent Problems

    • Lenovo will not provide warranty replacement if the LCD is within specifications because we cannot guarantee that any replacement LCD will have zero pixel defects. • One pixel consists of R, G, B sub-pixels. Table 5. LCD-related symptoms FRU or action, in sequence...
  • Page 50 Hardware Maintenance Manual...

  • Page 51: Chapter 5. Status Indicators

    Chapter 5. Status indicators This chapter presents the system status indicators that show the status of the computer. ThinkPad L440 status indicators © Copyright Lenovo 2013...
  • Page 52 ThinkPad L540 status indicators Table 6. Status indicators Indicator Indicator behavior and description Fn Lock indicator Off (default mode): The Fn Lock function is disabled. To initiate the special function of each key, press the function key directly. To input F1 - F12, press the Fn key and the corresponding function key.

  • Page 53: Chapter 6. Fn Key Combinations

    Fn+S The same function as the SysRq key on a conventional keyboard. Fn+K The same function as the ScrLK key on a conventional keyboard. Fn+End The same function as the Insert key on a conventional keyboard. © Copyright Lenovo 2013...
  • Page 54 Hardware Maintenance Manual...

  • Page 55: Chapter 7. Locations

    This chapter introduces the locations of some computer hardware components. Locating computer controls, connectors, and indicators This section introduces the locations of the computer controls, connectors, and indicators. ThinkPad L440 overview ThinkPad L440 front view Camera (on some models) Fingerprint reader (on some models) Microphones (on some models) USB 2.0 connector...
  • Page 56 ThinkPad L440 rear view Ethernet connector Mini DisplayPort® connector Power connector Always-on USB 3.0 connector Fan louvers USB 2.0 connector Video graphics array (VGA) connector ExpressCard reader or smart card reader (on some models) ThinkPad L440 bottom view Battery pack...

  • Page 57: Thinkpad L540 Overview

    ThinkPad L540 overview ThinkPad L540 front view Camera (on some models) Media card reader Audio connector Microphones (on some models) Power button Fingerprint reader (on some models) Numeric keypad ThinkPad trackpad TrackPoint pointing stick USB 2.0 connectors Optical drive (on some models) Chapter 7 Locations...

  • Page 58: Locating Frus And Crus

    ThinkPad L540 rear view Security-lock slot VGA connector USB 2.0 connector Mini DisplayPort connector Ethernet connector Always-on USB 3.0 connector Power connector ExpressCard reader or smart card reader (on some models) Fan louvers ThinkPad L540 bottom view Battery pack Speakers Docking station connector (on some models) Keyboard drainage holes SIM card reader (on some models)
  • Page 59 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 60: Major Frus And Crus

    Major FRUs and CRUs Description Self-service CRU Optional-service LCD unit Power button card Keyboard bezel assembly Hardware Maintenance Manual...
  • Page 61 Description Self-service CRU Optional-service Fingerprint reader assembly (fingerprint reader, finger print reader cable, and fingerprint reader bracket) Memory module Wireless-wide-area-network (WWAN) card M.2 solid-state drive System board assembly RJ45 card Audio board Optical drive or dummy optical drive dc-in cable assembly Battery pack Base cover assembly Bottom door...

  • Page 62: Lcd Frus And Crus

    LCD FRUs and CRUs Description Self-service CRU Optional-service CRU Screw caps LCD front bezel Hardware Maintenance Manual...

  • Page 63: Miscellaneous Kits And Other Frus

    Miscellaneous kits FRU description Self-service CRU Optional service Screw cap kit Screw kit for ThinkPad L440 • M2 * L6 mm (11) • M2 * L3.5 mm (8) • M2 * L2 mm (5) • M2.5 * L5 mm (6) •...
  • Page 64 Hardware Maintenance Manual...

  • Page 65: Chapter 8. Fru Replacement Notices

    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 66: Retaining Serial Numbers

    ThinkPad Setup program is set to UEFI Only. 1. Connect a USB memory key to the computer. 2. Go to http://www.lenovo.com/maintenanceutilities and follow the instructions on the screen to create a Maintenance Key. Note: Only an authorized Lenovo service technician can access the above Web site.

  • Page 67: Retaining The Uuid

    ThinkPad Setup program is set to UEFI Only. 1. Connect a USB memory key to the computer. 2. Go to http://www.lenovo.com/maintenanceutilities and follow the instructions on the screen to create a Maintenance Key. Note: Only an authorized Lenovo service technician can access the above Web site.
  • Page 68 After an ECA has been applied to the machine, the EEPROM must be updated to reflect the ECA's application. Use the Maintenance Key to update the EEPROM. 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.

  • Page 69: Chapter 9. Removing Or Replacing A Fru

    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 70: Before Servicing The Computer

    • If the Lenovo Solution Center program is not installed in the computer, the customer should download this program before a non-physically damaged battery pack is replaced. Note that a physically damaged battery pack is a not covered by the warranty.

  • Page 71: 1020 Bottom Door

    Removal steps of the battery pack DANGER Use only the authorized battery specified for your computer. Any other battery could ignite or explode. Unlock the battery latches and hold them in the unlocked position . Then remove the battery pack When installing: Install the battery pack along the slide rails of the slot.

  • Page 72: 1030 Optical Drive

    1030 Optical drive Removal steps of the optical drive for ThinkPad L440 For access, remove these FRUs in order: • “1010 Battery pack” on page 64 • “1020 Bottom door” on page 65 Step Screw (quantity) Color Torque Black 0.181 Nm M2 ×...
  • Page 73 Removal steps of the optical drive for ThinkPad L540 For access, remove this FRU: • “1010 Battery pack” on page 64 Step Screw (quantity) Color Torque M2 × 6 mm, flat-head, nylon-coated (1) Black 0.181 Nm (1.85 kgf-cm) Chapter 9 Removing or replacing a FRU...

  • Page 74: 1040 Hard Disk Drive Or Solid-State Drive

    1040 Hard disk drive or solid-state drive For access, remove these FRUs in order: • “1010 Battery pack” on page 64 • “1020 Bottom door” on page 65 Attention: • Do not drop the drive or apply any physical shock to it. The drive is sensitive to physical shock. Improper handling can cause damage and permanent loss of data.

  • Page 75: 1050 Memory Module

    When installing: Ensure that the drive connector is attached firmly. Removal steps of the hard-disk-drive bracket or solid-state-drive bracket 1050 Memory module Removal steps of the memory module For access, remove these FRUs in order: • “1010 Battery pack” on page 64 •...

  • Page 76: 1060 Wwan Card Or M.2 Solid-State Drive

    When installing: • Insert the notched end of the memory module into the memory slot at an angle of about 20 degrees. Press the memory module firmly, and pivot it downward until it snaps into place. Ensure that the memory module is firmly installed and does not move easily.
  • Page 77 Removal steps of the WWAN card Step Screw (quantity) Color Torque 0.181 Nm M2 × 3 mm, flat-head, nylon-coated (1) Silver (1.85 kgf-cm) When installing: Plug the red cable into the main connector and the blue cable into the auxiliary connector. Removal steps of the M.2 solid-state drive If the computer is equipped with an M.2 solid-state drive, the M.2 solid-state drive is installed in the WWAN card slot.

  • Page 78: 1070 Wlan Card

    • Ensure that you partition the M.2 solid-state drive after installing it on the computer you are servicing. Otherwise, the M.2 solid-state drive will not function correctly. For instructions on on how to partition an M.2 solid-state drive, go to http://www.lenovo.com/support/msata-fru. Step...

  • Page 79: 1080 Coin-Cell Battery

    Removal steps of the WLAN card Step Screw (quantity) Color Torque 0.181 Nm M2 × 3 mm, flat-head, nylon-coated (1) Silver (1.85 kgf-cm) When installing: Plug the gray cable into the main connector and the black cable into the auxiliary connector. 1080 Coin-cell battery For access, remove these FRUs in order: •...

  • Page 80: 1090 Thermal-Fan Assembly

    Removal steps of the coin-cell battery DANGER Use only the authorized battery specified for your computer. Any other battery could ignite or explode. When installing: Ensure that the battery connector is attached firmly to the system board. 1090 Thermal-fan assembly For access, remove these FRUs in order: •...
  • Page 81 Detach the thermal-fan assembly connector . Loosen the screws in ascending alphabetical order as illustrated, but do not remove them. For models that have a discrete graphics module: Detach the thermal-fan assembly connector . Loosen the screws in ascending alphabetical order as illustrated, but do not remove them.
  • Page 82 When installing: • Attach the thermal-fan assembly connector to the system board and tighten the screws in ascending alphabetical order. • Before you attach the old thermal-fan assembly to the computer, apply thermal grease, at an amount of 0.2 grams, on the parts marked as in the following illustrations.

  • Page 83: 1100 Keyboard

    “1020 Bottom door” on page 65 Removal steps of the keyboard For ThinkPad L440 1. Locate the keyboard multi-tool in the shipping package of the new keyboard. 2. The screws that secure the keyboard are beneath the keyboard frame. To reveal the screw heads, use the flat end of the multi-tool to slide the keyboard forward by 2.5 mm (0.1 inch).
  • Page 84 3. Use the cross end of the multi-tool to loosen the screws. 4. Pivot the keyboard slightly upward until you can see the connectors on the bottom side of the keyboard. Then turn over the keyboard 5. Detach the connectors. Then remove the keyboard. Hardware Maintenance Manual...
  • Page 85 For ThinkPad L540 1. Locate the keyboard multi-tool in the shipping package of the new keyboard. 2. The screws that secures the keyboard are beneath the keyboard frame. To reveal the screw heads, use the flat end of the multi-tool to slide the keyboard forward by 2.5 mm (0.1 inch). Note: Do not press or hold the keys while sliding the keyboard frame, otherwise the keyboard frame cannot be moved.
  • Page 86 3. Use the cross end of the multi-tool to loosen the screws. 4. Pivot the keyboard slightly upward until you can see the connectors on the bottom side of the keyboard. Then turn over the keyboard Hardware Maintenance Manual...
  • Page 87 5. Detach the connectors. Then remove the keyboard. Installing the keyboard For ThinkPad L440 1. Attach the connectors, and then turn over the keyboard. Chapter 9 Removing or replacing a FRU...
  • Page 88 2. Put the keyboard back into place. Ensure that the front edge of the keyboard is under the frame of the keyboard bezel. 3. Reveal the screw heads by sliding the keyboard frame forward with the flat end of the keyboard multi-tool.
  • Page 89 4. Tighten the screws with the cross end of the keyboard multi-tool to secure the keyboard in place. 5. Slide the keyboard frame backward by 2.5 mm (0.1 inch) with the flat end of the keyboard multi-tool to hide the screw heads. Ensure that the latches of the keyboard frame are under the keyboard bezel. Note: Do not press or hold the keys while sliding the keyboard frame, otherwise the keyboard frame cannot be moved.
  • Page 90 6. To ensure that there is no gap between the keyboard frame and keyboard bezel, insert the flat end of the keyboard multi-tool into the gaps around the keys as shown to slide the keyboard frame backward. For ThinkPad L540 1.
  • Page 91 2. Put the keyboard back into place. Ensure that the front edge of the keyboard is under the frame of the keyboard bezel. 3. Reveal the screw heads by sliding the keyboard frame forward with the flat end of the keyboard multi-tool.
  • Page 92 4. Tighten the screws with the cross end of the keyboard multi-tool to secure the keyboard in place. 5. Slide the keyboard frame backward by 2.5 mm (0.1 inch) with the flat end of the keyboard multi-tool to hide the screw heads. Ensure that the latches of the keyboard frame are under the keyboard bezel. Note: Do not press or hold the keys while sliding the keyboard frame, otherwise the keyboard frame cannot be moved.

  • Page 93: 1110 Keyboard Bezel Assembly, Fingerprint Reader, And Power Button Card

    6. To ensure that there is no gap between the keyboard frame and keyboard bezel, insert the flat end of the keyboard multi-tool into the gaps around the keys as shown to slide the keyboard frame backward. 1110 Keyboard bezel assembly, fingerprint reader, and power button card For access, remove these FRUs in order: •...
  • Page 94 Removal steps of the keyboard bezel assembly For ThinkPad L440 Step Screw (quantity) Color Torque Black 0.181 Nm M2 × 6 mm, flat-head, nylon-coated (5) (1.85 kgf-cm) M2 × 12 mm, flat-head, nylon-coated (3) Black 0.181 Nm (1.85 kgf-cm) M2 × 3.5 mm, flat-head, nylon-coated (3) Silver 0.181 Nm...
  • Page 95 Step Screw (quantity) Color Torque M2 × 6 mm, flat-head, nylon-coated (1) Black 0.181 Nm (1.85 kgf-cm) When installing: Ensure that the connectors are attached firmly to the system board. Chapter 9 Removing or replacing a FRU...
  • Page 96 14 14 Hardware Maintenance Manual...
  • Page 97 For ThinkPad L540 Torque Step Screw (quantity) Color M2 × 6 mm, flat-head, nylon-coated (9) Black 0.181 Nm (1.85 kgf-cm) M2 × 12 mm, flat-head, nylon-coated (2) Black 0.181 Nm (1.85 kgf-cm) 0.181 Nm M2 × 3 mm, flat-head, nylon-coated (2) Silver (1.85 kgf-cm) Chapter 9...
  • Page 98 Torque Step Screw (quantity) Color M2 × 5 mm, flat-head, nylon-coated (3) Black 0.181 Nm (1.85 kgf-cm) When installing: Ensure that the connectors are attached firmly to the system board. Hardware Maintenance Manual...
  • Page 99 Chapter 9 Removing or replacing a FRU...
  • Page 100 Removal steps of the fingerprint reader For ThinkPad L440 Torque Step Screw (quantity) Color M2 × 3.5 mm, flat-head, nylon-coated (2) Black 0.181 Nm (1.85 kgf-cm) When installing: Ensure that mylar is applied on the inside of the fingerprint bracket.
  • Page 101 For ThinkPad L540 Step Screw (quantity) Color Torque M2 × 3.5 mm, flat-head, nylon-coated (2) Black 0.181 Nm (1.85 kgf-cm) When installing: Ensure that mylar is applied on the inside of the fingerprint bracket. Chapter 9 Removing or replacing a FRU...
  • Page 102 When installing: Ensure that the connector is attached firmly. Hardware Maintenance Manual...
  • Page 103 Removal steps of the power button card For ThinkPad L440 When installing: Ensure that the connector is attached firmly. Torque Step Screw (quantity) Color M2 × 3.5 mm, flat-head, nylon-coated (2) Black 0.181 Nm (1.85 kgf-cm) Chapter 9 Removing or replacing a FRU...

  • Page 104: 1120 Smart Card Reader, Smart Card Door, And Dummy Smart Card

    For ThinkPad L540 When installing: Ensure that the connector is attached firmly. Step Screw (quantity) Color Torque Black 0.181 Nm M2 × 3.5 mm, flat-head, nylon-coated (2) (1.85 kgf-cm) 1120 Smart card reader, smart card door, and dummy smart card For access, remove these FRUs in order: •...
  • Page 105 • “1020 Bottom door” on page 65 • “1030 Optical drive” on page 66 • “1040 Hard disk drive or solid-state drive” on page 68 • “1060 WWAN card or M.2 solid-state drive” on page 70 • “1070 WLAN card” on page 72 •...

  • Page 106: 1130 Microprocessor

    If the computer you are servicing has a dummy smart card installed. Follow the following instructions to remove or replace the dummy smart card. Removal steps of the dummy smart card Torque Step Screw (quantity) Color M2 × 3 mm, flat-head, nylon-coated (1) Silver 0.181 Nm (1.85 kgf-cm)

  • Page 107: 1140 System Board Assembly

    Removal steps of the microprocessor Open the socket lock by rotating the head of the screw in the direction shown by arrow with a Torx screwdriver. Then remove the microprocessor . After that, peel off the mylar from the microprocessor as shown by arrow When installing: Place the microprocessor in the microprocessor socket, and then close the lock by rotating the head of the screw in the direction shown by arrow...
  • Page 108 • If you put a system board down, be sure to put it only on a padded surface such as an ESD mat or a corrugated conductive surface. For access, remove these FRUs in order: • “1010 Battery pack” on page 64 •...
  • Page 109 Removal steps of the system board assembly For ThinkPad L440 Step Screw (quantity) Color Torque Black 0.181 Nm M2 × 6 mm, flat-head, nylon-coated (1) (1.85 kgf-cm) When installing: Ensure that the connector is attached firmly to the system board assembly.
  • Page 110 Step Screw (quantity) Color Torque 0.181 Nm M2 × 3.5 mm, flat-head, nylon-coated (4) Silver (1.85 kgf-cm) M2 × 3.5 mm, flat-head, nylon-coated (1) Silver 0.181 Nm (1.85 kgf-cm) When installing: Ensure that the connector is attached firmly to the system board assembly. When installing: Ensure that the connectors are attached firmly to the system board assembly.
  • Page 111 Step Screw (quantity) Color Torque Black 0.181 Nm M2 × 6 mm, flat-head, nylon-coated (1) (1.85 kgf-cm) When installing: Ensure that the connector is attached firmly to the system board assembly. Step Screw (quantity) Color Torque M2 × 3.5 mm, flat-head, nylon-coated (3) Silver 0.181 Nm (1.85 kgf-cm)

  • Page 112: 1150 Audio Board

    When installing: Ensure that the connectors are attached firmly to the system board assembly. 1150 Audio board For access, remove these FRUs in order: • “1010 Battery pack” on page 64 • “1020 Bottom door” on page 65 • “1030 Optical drive” on page 66 •...

  • Page 113: 1160 Speaker Assembly

    M2 × 3.5 mm, flat-head, nylon-coated (1) Silver 0.181 Nm (1.85 kgf-cm) 1160 Speaker assembly Removal steps of the speaker assembly for ThinkPad L440 For access, remove these FRUs in order: • “1010 Battery pack” on page 64 • “1020 Bottom door” on page 65 •...
  • Page 114 • “1110 Keyboard bezel assembly, fingerprint reader, and power button card” on page 87 • “1120 Smart card reader, smart card door, and dummy smart card” on page 98 • “1140 System board assembly” on page 101 • “1150 Audio board” on page 106 Step Screw (quantity) Color...

  • Page 115: 1170 Hinge Bracket, Dc-In Cable Assembly, Rj45 Card, And Base Cover Assembly

    • “1110 Keyboard bezel assembly, fingerprint reader, and power button card” on page 87 • “1120 Smart card reader, smart card door, and dummy smart card” on page 98 • “1140 System board assembly” on page 101 Step Screw (quantity) Color Torque Black...
  • Page 116 • “1140 System board assembly” on page 101 • “2010 LCD unit” on page 112 Removal steps of the hinge bracket and the dc-in cable assembly For ThinkPad L440 Torque Step Screw (quantity) Color M2 × 3.5 mm, flat-head, nylon-coated (1) Silver 0.181 Nm...

  • Page 117: Step Screw (Quantity) M2 × 3.5 Mm, Flat-Head, Nylon-Coated

    Step Screw (quantity) Color Torque M2 × 3.5 mm, flat-head, nylon-coated (1) Silver 0.181 Nm (1.85 kgf-cm) Removal steps of the RJ45 card and the base cover assembly Torque Step Screw (quantity) Color M2 × 3.5 mm, flat-head, nylon-coated (2) Silver 0.181 Nm (1.85 kgf-cm)

  • Page 118: 2010 Lcd Unit

    Product label for Korea China telcom label IMEI label for ThinkPad L540 Israel label China model label Korea WWAN label IMEI label for ThinkPad L440 2010 LCD unit For access, remove these FRUs in order: • “1010 Battery pack” on page 64 •...

  • Page 119: Chapter 9 . Removing Or Replacing A Fru

    Removal steps of the LCD unit For ThinkPad L440 Step Screw (quantity) Color Torque M2.5 × 5 mm, flat-head, nylon-coated (4) Black 0.392 Nm (4.00 kgf-cm) Step Screw (quantity) Color Torque M2.5 × 5 mm, flat-head, nylon-coated (1) Black 0.392 Nm (4.00 kgf-cm)
  • Page 120 When installing: Ensure that you route the cables firmly in the correct position. 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. Hardware Maintenance Manual...
  • Page 121 For ThinkPad L540 Torque Step Screw (quantity) Color M2.5 × 5 mm, flat-head, nylon-coated (4) Black 0.392 Nm (4.00 kgf-cm) Step Screw (quantity) Color Torque M2.5 × 5 mm, flat-head, nylon-coated (2) Black 0.392 Nm (4.00 kgf-cm) When installing: Ensure that you attach the connector firmly. Chapter 9 Removing or replacing a FRU...

  • Page 122: 2020 Lcd Front Bezel

    When installing: Ensure that you route the cables firmly in the correct position. 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. 2020 LCD front bezel For access, remove this FRU: •...

  • Page 123: 2030 Camera/Microphone Combo Card

    Removal steps of LCD front bezel Step Screw cap Screw (quantity) Color Torque M2.5 × 5 mm, flat-head, nylon-coated (2) Black 0.392 Nm (4.00 kgf-cm) When installing: Ensure that all the latches are attached firmly. Then secure the bezel with the screws. 2030 Camera/microphone combo card For access, remove these FRUs in order: •...

  • Page 124: 2040 Hinges, Lcd Panel, And Lcd Cable

    Removal steps of the camera/microphone combo card When installing: Ensure that the connector is attached firmly. 2040 Hinges, LCD panel, and LCD cable For access, remove these FRUs in order: • “1010 Battery pack” on page 64 • “1020 Bottom door” on page 65 •...
  • Page 125 Removal steps of the hinges, LCD panel, and LCD cable For models with wedge LCD Torque Step Screw (quantity) Color M2.5 × 4 mm, flat-head, nylon-coated (6) Black 0.392 Nm (4.0 kgf-cm) Chapter 9 Removing or replacing a FRU...
  • Page 126 Torque Step Screw (quantity) Color M2 × 3.5 mm, flat-head, nylon-coated (4) Black 0.181 Nm (1.85 kgf-cm) When installing: Ensure that the LCD connector is attached firmly. Hardware Maintenance Manual...
  • Page 127 M2 × 3.5 mm, flat-head, nylon-coated (2) Black 0.181 Nm (1.85 kgf-cm) For ThinkPad L540: M2.5 × 4 mm , flat-head, nylon-coated (4) Black 0.392 Nm For ThinkPad L440: M2.5 × 3.5 mm , flat-head, nylon-coated (4) (4.0 kgf-cm) Chapter 9 Removing or replacing a FRU...
  • Page 128 Step Screw (quantity) Color Torque M2 × 3.5 mm, flat-head, nylon-coated (4) Black 0.181 Nm (1.85 kgf-cm) Hardware Maintenance Manual...

  • Page 129: 2050 Led Card And Cable Assembly

    When installing: Ensure that the LCD connector is attached firmly. 2050 LED card and cable assembly For access, remove these FRUs in order: • “1010 Battery pack” on page 64 • “1020 Bottom door” on page 65 • “1030 Optical drive” on page 66 •...
  • Page 130 • “1030 Optical drive” on page 66 • “1050 Memory module” on page 69 • “1060 WWAN card or M.2 solid-state drive” on page 70 • “1070 WLAN card” on page 72 • “1100 Keyboard” on page 77 • “1110 Keyboard bezel assembly, fingerprint reader, and power button card” on page 87 •...
  • Page 131 Antenna locations WLAN antenna (main, gray) WWAN antenna (main, red) WWAN antenna (auxiliary, blue) WLAN antenna (auxiliary, black) Chapter 9 Removing or replacing a FRU...
  • Page 132 Hardware Maintenance Manual...

  • Page 133: 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 134: Electronic Emissions Notices

    Electronic emissions notices For electronic emission information on Class B digital devices, refer to the corresponding information in the User Guide. Trademarks The following terms are trademarks of Lenovo in the United States, other countries or both: Active Protection System Lenovo ThinkPad...
  • Page 136 Part Number: SP40A26004 Printed in China (1P) P/N: SP40A26004 *1PSP40A26004*...

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