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IBM THINKPAD L460 Hardware Maintenance Manual

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ThinkPad L460
Hardware Maintenance Manual

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   Summary of Contents for IBM THINKPAD L460

  • Page 1

    ThinkPad L460 Hardware Maintenance Manual...

  • Page 2

    Note: Before using this information and the product it supports, be sure to read the general information under Appendix A “Notices” on page 105. First Edition (January 2016) © Copyright Lenovo 2016. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant to a General Services Administration “GSA”...

  • Page 3: Table Of Contents

    Contents About this manual... Power-on password ... Hard disk password ... Chapter 1.

  • Page 4: Table Of Contents

    1170 I/O bracket ....Appendix B. Abbreviation table . . . 1180 Smart-card bracket ..ThinkPad L460 Hardware Maintenance Manual...

  • Page 5: About This Manual

    ® This manual contains service and reference information for the following ThinkPad products. ThinkPad L460 Machine Type (MT) 20FU and 20FV Use this manual along with the advanced diagnostic tests to troubleshoot problems. Important: This manual is intended only for trained service technicians who are familiar with ThinkPad products.

  • Page 6

    ThinkPad L460 Hardware Maintenance Manual...

  • Page 7: Chapter 1. Safety Information

    Chapter 1. Safety information This chapter presents following safety information that you need to be familiar with before you service a ThinkPad notebook computer. • “General safety” on page 1 • “Electrical safety” on page 1 • “Safety inspection guide” on page 2 •...

  • Page 8: Safety Inspection Guide

    If any unsafe conditions are present, you must determine how serious the apparent hazard could be and whether you can continue without first correcting the problem. ThinkPad L460 Hardware Maintenance Manual...

  • Page 9: Handling Devices That Are Sensitive To Electrostatic Discharge

    Consider these conditions and the safety hazards they present: • Electrical hazards, especially primary power (primary voltage on the frame can cause serious or fatal electrical shock) • Explosive hazards, such as a damaged cathode ray tube (CRT) face or a bulging capacitor •...

  • Page 10: Grounding Requirements

    The safety notices in this section are provided in the following languages: • English • Arabic • Brazilian Portuguese • French • German • Hebrew • Japanese • Korean • Spanish • Traditional Chinese DANGER DANGER DANGER ThinkPad L460 Hardware Maintenance Manual...

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    DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...

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    ThinkPad L460 Hardware Maintenance Manual...

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    PERIGO PERIGO PERIGO PERIGO Chapter 1 Safety information...

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    PERIGO PERIGO PERIGO PERIGO DANGER ThinkPad L460 Hardware Maintenance Manual...

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    DANGER DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...

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    DANGER VORSICHT VORSICHT VORSICHT VORSICHT ThinkPad L460 Hardware Maintenance Manual...

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    VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1 Safety information...

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    ThinkPad L460 Hardware Maintenance Manual...

  • Page 19

    Chapter 1 Safety information...

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    ThinkPad L460 Hardware Maintenance Manual...

  • Page 21

    Chapter 1 Safety information...

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    ThinkPad L460 Hardware Maintenance Manual...

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    Chapter 1 Safety information...

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    ThinkPad L460 Hardware Maintenance Manual...

  • Page 25: Chapter 2. Important Service Information

    Chapter 2. Important service information This chapter introduces following important service information that applies to all machine types supported by this manual: • “Strategy for replacing FRUs” on page 19 – “Strategy for replacing a hard disk drive or a solid-state drive” on page 19 –...

  • Page 26: Important Notice For Replacing A System Board

    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, and liquid crystal display (LCD). To identify the major FRUs for a product, do the following: ThinkPad L460 Hardware Maintenance Manual...

  • Page 27

    1. Go to: http://support.lenovo.com/ibasepartslookup 2. Type the Machine Type and Serial Number in the corresponding fields. 3. Click Submit. eSupport also can be used to view the general FRU list for a product. The FRU list is a general list of components and does not contain specific model information.

  • Page 28

    ThinkPad L460 Hardware Maintenance Manual...

  • Page 29: Chapter 3. General Checkout

    Chapter 3. General checkout This chapter introduces following information: • “What to do first” on page 23 • “Checkout guide” on page 24 – “Lenovo Solution Center” on page 24 – “Quick test programs” on page 24 – “UEFI diagnostic program” on page 25 –...

  • Page 30: Checkout Guide

    Lenovo provides the following quick test programs: • Lenovo Hard Drive Quick Test: Use this program to troubleshoot and resolve internal storage problems. • Lenovo Memory Quick Test: Use this program to troubleshoot and resolve memory module problems. ThinkPad L460 Hardware Maintenance Manual...

  • Page 31: Uefi Diagnostic Program

    The quick test programs are applicable on the following operating systems: ® ® • Microsoft Windows • Microsoft Windows 7 • Microsoft Windows XP ® • 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.

  • Page 32: Power System Checkout

    If you suspect a power problem, see the appropriate one of the following power supply checkouts: • “Checking the ac power adapter” on page 27 • “Checking the external battery pack and the operational charging” on page 27 • “Checking the coin-cell battery” on page 28 ThinkPad L460 Hardware Maintenance Manual...

  • Page 33: Checking The Ac Power Adapter

    Checking the ac power adapter You are here because the computer fails only when the ac power adapter is used. • If the power problem occurs only when the docking station or the port replicator is used, replace the docking station or the port replicator. •...

  • Page 34: Checking The Coin-cell Battery

    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 L460 Hardware Maintenance Manual...

  • Page 35: Chapter 4. Related Service Information

    Chapter 4. Related service information This chapter presents following information: • “Restoring the factory contents by using the Recovery Disc Set” on page 29 • “Recovery overview for the Windows 10 operating system” on page 30 • “Passwords” on page 32 •...

  • Page 36: Recovery Overview For The Windows 10 Operating System

    Windows operating system, start the computer from an external device, or restore the Windows operating system from a system image. To use advanced startup options, do the following: Note: The GUI items of the operating system might change without notice. ThinkPad L460 Hardware Maintenance Manual...

  • Page 37: Recovering Your Operating System If Windows 10 Fails To Start

    1. Open the Start menu and then click Settings. If Settings is not displayed, click All apps to display all programs, and then click Settings ➙ Update & security ➙ Recovery. 2. In the Advanced startup section, click Restart now ➙ Troubleshoot ➙ Advanced options. 3.

  • Page 38: Passwords

    2. Remove the external battery pack. For instructions on how to remove the external battery pack, see “1020 External battery pack” on page 62. 3. Remove the coin-cell battery. For instructions on how to remove the coin-cell battery, see “1130 Coin-cell battery” on page 84. Wait for a few seconds. ThinkPad L460 Hardware Maintenance Manual...

  • Page 39: How To Remove The Hard Disk Password

    4. Reinstall the coin-cell battery. For instructions on how to install the coin-cell battery, see “1130 Coin-cell battery” on page 84. 5. Reinstall the external battery pack. For instructions on how to install the external battery pack, see “1020 External battery pack” on page 62. 6.

  • Page 40: Screen Blank Mode (for The Windows

    When the power is turned on, the computer returns from hibernation mode and resumes operation. The hibernation file in the boot record on the hard disk drive or solid-state drive is read, and system status is restored from the hard disk drive or solid-state drive. ThinkPad L460 Hardware Maintenance Manual...

  • Page 41: Symptom-to-fru Index

    Symptom-to-FRU index This section contains following information: • “Numeric error codes” on page 35 • “Error messages” on page 36 • “Beep symptoms” on page 37 • “No-beep symptoms” on page 37 • “LCD-related symptoms” on page 37 • “Intermittent problems” on page 38 •...

  • Page 42: Error Messages

    Table 3. Error messages Symptom or error FRU or action, in sequence Fan error. 1. Replace the thermal fan assembly. 2. Apply thermal grease. 3. Replace the system board. Thermal sensing error. Replace the system board. ThinkPad L460 Hardware Maintenance Manual...

  • Page 43: Beep Symptoms

    Table 3. Error messages (continued) Symptom or error FRU or action, in sequence The battery installed is not supported by this system Replace the battery pack. and will not charge. Please replace the battery with the correct Lenovo battery for this system. Press the ESC key to continue.

  • Page 44: Intermittent Problems

    2. Visually check each FRU for damage. Replace any damaged FRU. 3. Remove or disconnect all of the following devices: a. Non-ThinkPad devices b. Devices attached to the docking station or the port replicator c. Printer, mouse, and other external devices d. Battery pack ThinkPad L460 Hardware Maintenance Manual...

  • Page 45

    e. Hard disk drive or solid-state drive f. External diskette drive or optical drive g. Memory module h. PC cards 4. Turn on the computer. 5. Determine whether the problem has been solved. 6. If the problem does not recur, reconnect the removed devices one at a time until you find the failing FRU. 7.

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    ThinkPad L460 Hardware Maintenance Manual...

  • Page 47: Chapter 5. Status Indicators

    Chapter 5. Status indicators This chapter presents the status indicators that show the status of the computer. Table 7. Status indicators Indicator Meaning Speaker-mute indicator On: The speakers are muted. Microphone-mute indicator On: The microphones are muted. Camera-status indicator On: The camera is in use. ©...

  • Page 48

    On: The Fn Lock function is enabled. To input F1- F12, press the corresponding function key directly. To initiate the special function printed as an icon on each key, press the Fn key and the corresponding function key. ThinkPad L460 Hardware Maintenance Manual...

  • Page 49: Chapter 6. Function Keys

    Chapter 6. Function keys The following table describes the functions of function keys and key combinations. Table 8. Function keys Function key and Description key combination Mutes or unmutes the speakers. If you mute the sound and turn off your computer, the sound will remain muted when you turn on your computer again.

  • Page 50

    Has the same function as the Pause key on a conventional keyboard. Fn+S Has the same function as the SysRq key on a conventional keyboard. Fn+K Has the same function as the ScrLK key on a conventional keyboard. ThinkPad L460 Hardware Maintenance Manual...

  • Page 51: Chapter 7. Locations

    Chapter 7. Locations This chapter introduces the locations of the hardware components on your computer. Locating computer controls, connectors, and indicators This topic introduces the locations of the computer controls, connectors, and indicators. Front view Camera (available on some models) Microphones (available on some models) Power button Security-lock slot...

  • Page 52: Rear View

    Rear view Smart-card slot (available on some models) Audio connector Always On USB 3.0 connector Fan louvers ac power connector Bottom view External battery pack Docking-station connector (available on some models) Keyboard drainage holes Speakers ThinkPad L460 Hardware Maintenance Manual...

  • Page 53: Locating Frus And Crus

    Locating FRUs and CRUs This topic introduces the following service parts: • “Major FRUs and CRUs” on page 48 • “LCD FRUs” on page 50 • “Miscellaneous parts” on page 51 Notes: • Each FRU is available for all types or models, unless otherwise specified. •...

  • Page 54: Major Frus And Crus

    Note: Depending on the computer model, the keyboard bezel assembly of your computer might look different from the illustration above. Table 9. Major FRUs and CRUs FRU description Self-service CRU Optional-service CRU LCD unit Keyboard bezel assembly ThinkPad L460 Hardware Maintenance Manual...

  • Page 55

    Table 9. Major FRUs and CRUs (continued) FRU description Self-service CRU Optional-service CRU Docking bracket System board VGA board I/O bracket Memory module Hard disk drive or solid-state drive Speaker assembly External battery pack SIM-card tray SIM-card dummy cover Lenovo factory recovery USB key Lenovo recovery disc set Power cord ac power adapter...

  • Page 56: Lcd Frus

    Table 10. LCD FRUs No. FRU descriptions Self-service Optional-service LCD-bezel sheet Camera/microphone module, camera module, or microphone module (available on some models) LCD panel Wireless-LAN/WAN antenna assembly or wireless-LAN antenna LCD hinges LCD rear-cover assembly LCD cable ThinkPad L460 Hardware Maintenance Manual...

  • Page 57: Miscellaneous Parts

    Miscellaneous parts Table 11. Miscellaneous part FRU descriptions Self-service Optional-service Screw pack • M2 x L4 • M2 x L3 • M2 x L5 • M2 x L7 • M2.5 x L5 • M2.5 x L6 • D4.7; H3.5 Rubber kit •...

  • Page 58

    (internal) computer comes with the dc-in cable. Connect the cable to this connector. Thermal fan assembly cable The thermal fan assembly comes Thermal fan connector (internal) with cable. Connect the cable to this connector. ThinkPad L460 Hardware Maintenance Manual...

  • Page 59

    Table 12. System board (continued) Connector/feature Internal cable required Cable connection Embeded DisplayPort (eDP) LCD cable Connect one end to the LCD connector (internal) panel and the other end to this connector. Coin-cell battery connector Coin-cell battery cable The coin-cell battery comes with (internal) cable.

  • Page 60

    Internal cable required Cable connection VGA connector (external) Connect a compatible projector, external monitor, or high-definition television to this connector VGA board connector (internal) Connect the VGA board to the system board directly Smart-card connector and cable ThinkPad L460 Hardware Maintenance Manual...

  • Page 61: Looking Up Fru Information

    Table 15. Smart-card card Internal cable required Connector/feature Cable connection Smart-card connector (internal) Smart-card cable Connect one end to the system board and the other end to this connector. Looking up FRU information For detailed FRU information, including part numbers, descriptions, and substitution part numbers, go to: http://www.lenovo.com/serviceparts-lookup Chapter 7 Locations...

  • Page 62

    ThinkPad L460 Hardware Maintenance Manual...

  • Page 63: Chapter 8. Fru Replacement Notices

    Chapter 8. FRU replacement notices This chapter presents notices related to removing and replacing parts. Read this chapter carefully before replacing any FRU. CRU statement for customers: You can resolve some problems with your product with a replacement part you can install yourself, called a “Customer Replaceable Unit”...

  • Page 64: Retaining Serial Numbers

    7. Record the serial number of the system unit. After you replace the system board, do the following to restore the serial number of the system unit: 1. Connect the Maintenance Key to the computer. ThinkPad L460 Hardware Maintenance Manual...

  • Page 65: Retaining The Uuid

    2. When the logo is displayed, press Esc. The ThinkPad Config Information Update Utility interface is displayed. 3. Type 1 under Enter the action desired, then press Enter. The ThinkPad Serial Number Update Utility for Asset ID screen is displayed. 4.

  • Page 66

    If the system board is being replaced, try to read the ECA information from the old system board and transfer the information to the new system. If the system board is inoperable, this will not be possible. ThinkPad L460 Hardware Maintenance Manual...

  • Page 67: General Guidelines

    Chapter 9. Removing or replacing a FRU This chapter provides instructions on how to remove or replace a FRU. CRU statement for customers: You can resolve some problems with your product with a replacement part you can install yourself, called a “Customer Replaceable Unit”...

  • Page 68: Sim-card Tray

    Note: Depending on the computer model, your computer might look different from the following illustration. Slide the battery latch to the unlocked position, and detach the battery from the base cover on the left. ThinkPad L460 Hardware Maintenance Manual...

  • Page 69: Keyboard Rubbers

    Slide the other battery latch to the unlocked position, and detach the battery from the base cover on the right. Remove the battery 1030 Keyboard rubbers For access, remove this FRU: • “1020 External battery pack” on page 62 Removal steps of the keyboard rubbers Obtain a keyboard multi-tool.

  • Page 70: Keyboard

    Note: Depending on the computer model, your computer might look different from the following illustration. 1040 Keyboard For access, remove these FRUs in order: • “1020 External battery pack” on page 62 • “1030 Keyboard rubbers” on page 63 ThinkPad L460 Hardware Maintenance Manual...

  • Page 71

    Removal steps of the keyboard Note: Depending on the computer model, your computer might look different from the illustrations in this topic. Use the flat end of the keyboard multi-tool to slide the keyboard frame forward by 2.5 mm (0.1 inch). The screw heads beneath the keyboard frame are exposed.

  • Page 72

    Put the keyboard on the palm rest and detach the connectors. Then remove the keyboard. When installing Attach the connectors and then turn over the keyboard. ThinkPad L460 Hardware Maintenance Manual...

  • Page 73

    Insert the keyboard into the keyboard bezel. Ensure that the front edge of the keyboard is under the frame of the keyboard bezel. Ensure that the screw heads are completely exposed. Otherwise, reveal the screw heads by sliding the keyboard frame forward with the flat end of the keyboard multi-tool. Chapter 9 Removing or replacing a FRU...

  • Page 74

    Slide the keyboard frame backward by 2.5 mm (0.1 inch) with the flat end of the keyboard multi-tool to hide the latches of the keyboard frame under the keyboard bezel. Note: Do not press and hold the keys while sliding the keyboard frame. Otherwise, the keyboard frame cannot be moved. ThinkPad L460 Hardware Maintenance Manual...

  • Page 75

    Insert the flat end of the keyboard multi-tool into the gaps between the keyboard frame and the keys to push the keyboard frame backward. Ensure that there is no gap between the keyboard frame and keyboard bezel. Note: Do not press and hold the keys while sliding the keyboard frame. Otherwise, the keyboard frame cannot be moved.

  • Page 76: Base Cover Assembly

    “1030 Keyboard rubbers” on page 63 Note: Depending on the computer model, your computer might look different from the illustrations in this topic. Removal steps of the base cover assembly Note: Loosen the screws . The screws cannot be removed. ThinkPad L460 Hardware Maintenance Manual...

  • Page 77

    Applying labels to the base cover assembly: The new base cover assembly is shipped with a kit containing labels of several kinds. Apply those labels when you replace the base cover assembly. For the labels that are not shipped with the new base cover assembly, peel them from the old base cover assembly, and adhere them to the new one.

  • Page 78: Docking Bracket Or Docking Dummy Door

    China WWAN label China 3G WWAN label China 3G LOGO WWAN label Brazil Anatel (WL/BT/3G) label China TELCOM label ICASA label WLAN label 1060 Docking bracket or docking dummy door For access, remove these FRUs in order: ThinkPad L460 Hardware Maintenance Manual...

  • Page 79

    • “1010 SIM-card tray” on page 62 • “1020 External battery pack” on page 62 • “1030 Keyboard rubbers” on page 63 • “1050 Base cover assembly” on page 70 Removal steps of the docking bracket Torque Step Screw (quantity) Color M2 ×...

  • Page 80: Sim-card Dummy Cover

    • Before removing the drive, have the user make a backup copy of all the information on it if possible. • Never remove the drive while the system is operating or in suspend mode. ThinkPad L460 Hardware Maintenance Manual...

  • Page 81: Wireless-lan Card

    Removal steps of the hard disk drive or solid-state drive Torque Step Screw (quantity) Color M2 × 3 mm, flat-head, nylon-coated (1) Black 0.181 Nm (1.85 kgf-cm) When installing: Ensure that the hard disk drive or solid-state drive is firmly attached. 1090 Wireless-LAN card For access, remove these FRUs in order: •...

  • Page 82

    • “1050 Base cover assembly” on page 70 Removal steps of the Wireless-LAN card ThinkPad L460 Hardware Maintenance Manual...

  • Page 83

    Step Screw (quantity) Color Torque Black 0.181 Nm M2 × 3 mm, flat-head, nylon-coated (1) (1.85 kgf-cm) Chapter 9 Removing or replacing a FRU...

  • Page 84: Wireless-wan Card

    For access, remove these FRUs in order: • “1010 SIM-card tray” on page 62 • “1020 External battery pack” on page 62 • “1030 Keyboard rubbers” on page 63 • “1050 Base cover assembly” on page 70 ThinkPad L460 Hardware Maintenance Manual...

  • Page 85

    Removal steps of the wireless-WAN card Chapter 9 Removing or replacing a FRU...

  • Page 86

    Step Screw (quantity) Color Torque Black 0.181 Nm M2 × 3 mm, flat-head, nylon-coated (1) (1.85 kgf-cm) ThinkPad L460 Hardware Maintenance Manual...

  • Page 87: Memory Module

    When installing: Plug the orange cable into the connector labeled MAIN on the card, and plug the blue cable into the connector labeled AUX on the card. 1110 Memory module For access, remove these FRUs in order: • “1010 SIM-card tray” on page 62 •...

  • Page 88: Speaker Assembly

    1120 Speaker assembly For access, remove these FRUs in order: • “1010 SIM-card tray” on page 62 • “1020 External battery pack” on page 62 • “1030 Keyboard rubbers” on page 63 ThinkPad L460 Hardware Maintenance Manual...

  • Page 89

    • “1050 Base cover assembly” on page 70 Removal steps of the speaker assembly Step Screw (quantity) Color Torque M2 × 4 mm, big head, nylon-coated (4) Black 0.181 Nm (1.85 kgf-cm) When installing: • Ensure that the speaker rubbers are well installed. •...

  • Page 90: Coin-cell Battery

    For access, remove these FRUs in order: • “1010 SIM-card tray” on page 62 • “1020 External battery pack” on page 62 • “1030 Keyboard rubbers” on page 63 • “1050 Base cover assembly” on page 70 ThinkPad L460 Hardware Maintenance Manual...

  • Page 91

    Removal steps of the LCD unit Torque Step Screw (quantity) Color M2.5 × 6 mm, flat-head, nylon-coated (4) Black 0.294 Nm (3.0 kgf-cm) M2 × 5 mm, flat-head, nylon-coated (2) Silver 0.181 Nm (1.85 kgf-cm) Chapter 9 Removing or replacing a FRU...

  • Page 92: Dc-in Cable

    For access, remove these FRUs in order: • “1010 SIM-card tray” on page 62 • “1020 External battery pack” on page 62 • “1030 Keyboard rubbers” on page 63 • “1050 Base cover assembly” on page 70 ThinkPad L460 Hardware Maintenance Manual...

  • Page 93

    Removal steps of the dc-in cable Torque Step Screw (quantity) Color M2.5 × 6 mm, flat-head, nylon-coated (2) Black 0.294 Nm (3.0 kgf-cm) 0.181 Nm M2 × 5 mm, flat-head, nylon-coated (1) Silver (1.85 kgf-cm) Chapter 9 Removing or replacing a FRU...

  • Page 94: Thermal Fan Assembly

    Removal steps of the thermal fan assembly Notes: • Loosen the screws in ascending alphabetical order as illustrated. The screws cannot be removed. • The screws , and are available only on some computer models. ThinkPad L460 Hardware Maintenance Manual...

  • Page 95: I/o Bracket

    When installing: • Ensure that the connector of the thermal fan is attached firmly. • Before you attach the thermal fan assembly to the computer, apply thermal grease, at an amount of 0.2 grams, on the parts marked as shown in the following illustrations. Either too much or too less application of grease can cause a thermal problem due to imperfect contact with a component.

  • Page 96

    Torque Black 0.294 Nm M2.5 × 6 mm, flat-head, nylon-coated (2) (3.0 kgf-cm) 0.181 Nm M2 × 5 mm, flat-head, nylon-coated (3) Silver (1.85 kgf-cm) Use the hex bit socket to remove the hexagonal screws. ThinkPad L460 Hardware Maintenance Manual...

  • Page 97: Smart-card Bracket

    Step Screw (quantity) Color Torque Hexagonal screws (2) Silver 0.181 Nm (1.85 kgf-cm) When installing: Ensure that the I/O bracket is attached firmly. 1180 Smart-card bracket For access, remove these FRUs in order: • “1010 SIM-card tray” on page 62 •...

  • Page 98: System Board And Subcards

    • 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 material. For access, remove these FRUs in order: • “1010 SIM-card tray” on page 62 ThinkPad L460 Hardware Maintenance Manual...

  • Page 99

    • “1020 External battery pack” on page 62 • “1030 Keyboard rubbers” on page 63 • “1050 Base cover assembly” on page 70 • “1080 Hard disk drive or solid-state drive” on page 74 • “1090 Wireless-LAN card” on page 75 •...

  • Page 100

    Removal steps of the system board Step Screw (quantity) Color Torque M2 × 3 mm, big head, nylon-coated (4) Black 0.181 Nm (1.85 kgf-cm) ThinkPad L460 Hardware Maintenance Manual...

  • Page 101: Smart Card And Smart-card Cable, Or Smart-card Dummy Door

    Torque Step Screw (quantity) Color M2 × 3 mm, big head, nylon-coated (4) Black 0.181 Nm (1.85 kgf-cm) When installing: Ensure that the connectors are attached firmly. 1200 Smart card and smart-card cable, or smart-card dummy door For access, remove these FRUs in order: •...

  • Page 102: Keyboard Bezel Assembly

    • “1090 Wireless-LAN card” on page 75 • “1100 Wireless-WAN card” on page 78 • “1110 Memory module” on page 81 • “1120 Speaker assembly” on page 82 • “1130 Coin-cell battery” on page 84 ThinkPad L460 Hardware Maintenance Manual...

  • Page 103: Lcd-bezel Sheet

    • “1140 LCD unit” on page 84 • “1150 dc-in cable” on page 86 • “1160 Thermal fan assembly” on page 88 • “1170 I/O bracket” on page 89 • “1180 Smart-card bracket” on page 91 • “1190 System board and subcards” on page 92 •...

  • Page 104

    M2 × 3 mm, flat-head, nylon-coated (4) (1.85 kgf-cm) When installing: 1. Insert the bottom edge of the LCD panel at an angle of about 30 degrees. 2. Install the LCD panel. Ensure that all the latches are attached firmly. ThinkPad L460 Hardware Maintenance Manual...

  • Page 105: Camera/microphone Module, Camera Module, Or Microphone Module

    2030 Camera/microphone module, camera module, or microphone module For access, remove these FRUs in order: • “1140 LCD unit” on page 84 • “2010 LCD-bezel sheet” on page 97 Removal steps of the camera/microphone module, camera module, or microphone module Chapter 9 Removing or replacing a FRU...

  • Page 106: Lcd Hinges

    • “1050 Base cover assembly” on page 70 • “1140 LCD unit” on page 84 • “2010 LCD-bezel sheet” on page 97 • “2020 LCD panel” on page 97 Removal steps of the LCD hinges ThinkPad L460 Hardware Maintenance Manual...

  • Page 107: Lcd Cable

    Step Screw (quantity) Color Torque 0.294 Nm M2.5 × 3.5 mm, big-head, nylon-coated (6) Silver (3.0 kgf-cm) 2050 LCD cable For access, remove these FRUs in order: • “1010 SIM-card tray” on page 62 • “1020 External battery pack” on page 62 •...

  • Page 108: Or Wireless-lan Antenna, And Lcd Rear-cover Assembly

    • “2010 LCD-bezel sheet” on page 97 • “2020 LCD panel” on page 97 • “2040 LCD hinges” on page 100 Removal steps of the wireless-LAN/WAN antenna assembly or wireless-LAN antenna, and LCD rear-cover assembly ThinkPad L460 Hardware Maintenance Manual...

  • Page 109

    When installing: Route the cables as shown in the following illustration. Attention: As 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. Antenna locations Wireless-LAN main antenna (grey) Wireless-WAN main antenna (orange)

  • Page 110

    Wireless-LAN auxiliary antenna (black) ThinkPad L460 Hardware Maintenance Manual...

  • Page 111: Appendix A. Notices

    Appendix A. Notices Lenovo may not offer the products, services, or features discussed in this document in all countries. Consult your local 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.

  • Page 112: Electronic Emissions Notices

    Microsoft, Windows, Windows Server, and Cortana are trademarks of the Microsoft group of companies. DisplayPort, Mini DisplayPort (mDP), and VESA are trademarks of the Video Electronics Standards Association. Other company, product, or service names may be the trademarks or service marks of others. ThinkPad L460 Hardware Maintenance Manual...

  • Page 113: Appendix B. Abbreviation Table

    Appendix B. Abbreviation table The following table lists all abbreviations and acronyms used in this manual. Abbreviation Term third generation of mobile telecommunications technology Ball Grid Array BIOS basic input/output system CMOS complementary metal-oxide semiconductor Certificate of Authentication cyclic redundancy check cathode ray tube customer-replaceable unit configure to order...

  • Page 114

    SATA Serial Advanced Technology Attachment subscriber identity module supervisor password TFTs thin-film transistors UEFI Unified Extensible Firmware Interface Universal Serial Bus UUID universally unique identifier video graphics array VRAM video random-access memory wide area network ThinkPad L460 Hardware Maintenance Manual...

  • Page 116

    Part Number: SP40J65964 Printed in China (1P) P/N: SP40J65964 *1PSP40J65964*...

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