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Lenovo ThinkPad T540p Maintenance Manual

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Hardware Maintenance Manual
ThinkPad T540p, W540, and W541

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  • Page 1 Hardware Maintenance Manual ThinkPad T540p, W540, and W541...
  • Page 2 Appendix A “Notices” on page 107. Fourth Edition (July 2015) © Copyright Lenovo 2013, 2015. 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

    Checkout guide ....Chapter 5. Status indicators ..43 Lenovo Solution Center ..Quick test programs...
  • Page 4 Retaining the UUID ... 1130 Power button card, color sensor, NFC card, fingerprint reader, and trackpad ..Reading or writing the ECA information . . . 1140 Smart card reader or dummy smart card .
  • Page 5: About This Manual

    Use this manual along with the advanced diagnostic tests to troubleshoot problems effectively. 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 19. © Copyright Lenovo 2013, 2015...
  • Page 6 Hardware Maintenance Manual...
  • Page 7: Chapter 1. Safety Information

    Many customers have, near their equipment, rubber floor mats that contain small conductive fibers to decrease electrostatic discharges. Do not use this type of mat to protect yourself from electrical shock. © Copyright Lenovo 2013, 2015...
  • Page 8: Safety Inspection Guide

    • Find the room emergency power-off (EPO) switch, disconnecting switch, or electrical outlet. If an electrical accident occurs, you can then operate the switch or unplug the power cord quickly. • Do not work alone under hazardous conditions or near equipment that has hazardous voltages. •...
  • Page 9: Handling Devices That Are Sensitive To Electrostatic Discharge

    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

    – When working on a double-insulated or battery-operated system, use an ESD common ground or reference point. You can use coax or connector-outside shells on these systems. – Use the round ground prong of the ac plug on ac-operated computers. Grounding requirements Electrical grounding of the computer is required for operator safety and correct system function.
  • Page 11 DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 12 Hardware Maintenance Manual...
  • Page 13 PERIGO PERIGO PERIGO PERIGO Chapter 1 Safety information...
  • Page 14 PERIGO PERIGO PERIGO PERIGO DANGER Hardware Maintenance Manual...
  • Page 15 DANGER DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 16 DANGER VORSICHT VORSICHT VORSICHT VORSICHT Hardware Maintenance Manual...
  • Page 17 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 Chapter 1 Safety information...
  • Page 24 Hardware Maintenance Manual...
  • Page 25: Chapter 2. Important Service Information

    UEFI BIOS downloads. Telephone numbers for Lenovo Support are available at: http://www.lenovo.com/support/phone • System Disassembly/Reassembly videos that show the FRU removals or replacements for the Lenovo authorized service technicians are available in the following support site: http://www.lenovoservicetraining.com/ion/...
  • Page 26: Important Notice For Replacing A System Board

    Dynamic Configure To Order (CTO) model This model provides the ability for a customer to configure a Lenovo solution from a Web Site, and have this configuration sent to fulfillment, where it is built and shipped directly to the customer. The machine label and eSupport will load these products as the 4-character MT, 4-character model, and 2-character country code.
  • Page 27 FRU list for a product. To get the general FRU list for a product, do the following: 1. Go to: http://www.lenovo.com/support 2. Click Parts & Accessories. 3. Follow the instructions on the screen to select product.
  • Page 28 Hardware Maintenance Manual...
  • Page 29: 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

    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 31: 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 quick test program, do the following: 1.
  • Page 32: Bootable Diagnostic Programs

    If the computer you are servicing is not installed with the UEFI diagnostic program, you can download a bootable diagnostic program from the Lenovo Support Web site. The bootable diagnostic programs enable you to test computer memory and internal storage devices, view system information, and check and recover the internal storage devices.
  • Page 33: Checking The Ac Power Adapter

    This computer supports only batteries specially designed for this specific system and manufactured by Lenovo or an authorized builder. The system does not support unauthorized batteries or batteries designed for other systems. If an unauthorized battery or a battery designed for another systems is installed, the system will not charge.
  • Page 34: Checking The Coin-Cell Battery

    Checking the coin-cell battery To check the coin-cell battery, do the following: 1. Remove the battery pack. See “1010 Battery pack” on page 60. 2. Remove the coin-cell battery. See “1100 Coin-cell battery” on page 69. 3. Measure the voltage of the coin-cell battery. See the following illustration. Wire Voltage (V dc) +2.5 to +3.2...
  • Page 35: Chapter 4. Related Service Information

    “Symptom-to-FRU index” on page 38 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 is on the new drive.
  • Page 36: Using The Windows Recovery Solutions (For Windows 8 And Windows 8.1 Only)

    3. Press F10 to save the ThinkPad Setup program configuration changes. Follow the instructions on the screen to begin the recovery process. 4. Select your language and click Next. 5. Read the license. If you agree with the terms and conditions, select I accept these terms and conditions and then click Next.
  • Page 37: Resetting Your Computer To The Factory Default Settings

    Move your pointer to the top-right or bottom-right corner of the screen to display the charms. Click Settings ➙ Change PC settings ➙ Update and recovery ➙ Recovery. 2. In the Refresh your PC without affecting your files section, click Get started. 3.
  • Page 38: Using The Windows Recovery Environment

    Using the Windows recovery environment The Windows recovery environment on your computer is capable of operating independently from the Windows 8 or Windows 8.1 operating system. This enables you to recover or repair the operating system even if the Windows 8 or Windows 8.1 operating system fails to start. After two consecutive failed boot attempts, the Windows recovery environment starts automatically.
  • Page 39: Recovery Overview For The Windows 10 Operating System

    Attention: If you delete the recovery partition on your computer, do keep the recovery media in a safe place. The Windows recovery image will not be stored in your computer anymore, and you will need the recovery media to refresh or reset your computer. 8.
  • Page 40: Recovering Your Operating System If Windows 10 Fails To Start

    To use advanced startup options, do the following: Note: The GUI items of the operating system might change without notice. 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 ➙...
  • Page 41: Passwords

    If it has, it can be used for access to the hard disk drive. If no master hard disk password is available, neither Lenovo nor Lenovo authorized service technicians provide any services to reset either the user or the master hard disk password, or to recover data from the hard disk drive. The hard disk drive can be replaced for a scheduled fee.
  • Page 42: 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 43: Screen Blank Mode (For Windows 7 Only)

    Screen blank mode (for Windows 7 only) If the time set on the “Turn off monitor” timer in the operating system expires, the LCD backlight turns off. To put the computer into screen blank mode, do the following: 1. Right-click the battery gauge on the taskbar. 2.
  • Page 44: Symptom-To-Fru Index

    Symptom-to-FRU index This section contains following information: • “Numeric error codes” on page 38 • “Error messages” on page 39 • “Beep symptoms” on page 40 • “No-beep symptoms” on page 40 • “LCD-related symptoms” on page 40 • “Intermittent problems” on page 41 •...
  • Page 45: Error Messages

    Table 2. Numeric error codes (continued) Symptom or error FRU or action, in sequence 0199 1. Run the ThinkPad Setup program. The retry count System Security— Security password retry count will be reset. Then save the current settings by exceeded. pressing F10.
  • Page 46: Beep Symptoms

    LCD technology, but excessive pixel problems can cause viewing concerns.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. Notes:...
  • Page 47: Intermittent Problems

    • This policy applies to all ThinkPad notebooks purchased on 1 January, 2008 or later. • 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.
  • Page 48 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. If the problem remains, replace the following FRUs one at a time (do not replace a nondefective FRU): a.
  • Page 49: Chapter 5. Status Indicators

    To initiate the special function of each key, press the Fn key and the corresponding function key. Speaker mute indicator On: The speakers are muted. Microphone mute indicator On: The microphones are muted. © Copyright Lenovo 2013, 2015...
  • Page 50 Table 7. Status indicators (continued) Indicator Meaning Camera status indicator On: The camera is in use. System status indicator Blinking three times: The computer is initially connected to power. On: The computer is in use. Off: The computer is off or in hibernation mode. Slow blinking: The computer is in sleep mode.
  • Page 51: Chapter 6. Function Keys

    Views the programs that you have opened. For Windows 7: Opens Computer. For Windows 10, 8, and Windows 8.1: Views all the programs. Launches the calculator. Locks the operating system. Opens the default Web browser. Opens Computer. © Copyright Lenovo 2013, 2015...
  • Page 52 Table 8. Function keys (continued) Function key and key Description combination Press Fn+Esc to enable or disable the Fn Lock function. • When the Fn Lock function is disabled: The Fn Lock indicator is off. To initiate the special function of each function key, press the corresponding function key directly. To input F1- F12, press the Fn key and the corresponding function key.
  • Page 53: Chapter 7. Locations

    Numeric keypad Color sensor (on some models) Security-lock slot Near Field Communication (NFC) logo (on some models) ® USB 2.0 connector ThinkPad trackpad (with or without the TrackPoint buttons) USB 3.0 connector TrackPoint pointing stick © Copyright Lenovo 2013, 2015...
  • Page 54: Rear View

    Rear view Ethernet connector Always-On USB connector ac power connector USB 3.0 connector Fan louvers ExpressCard slot (on some models) ® Mini DisplayPort connector or Thunderbolt™ Media card slot connector (depending on the model) VGA connector Audio connector Bottom view Battery pack Keyboard drainage holes SIM card slot...
  • Page 55: Locating Frus And Crus

    CRUs, you can either install the CRU yourself or you can request that a Service Provider install the CRU according to the warranty service for your product. If you intend on installing the CRU, Lenovo will ship the CRU to you. CRU information and replacement instructions are shipped with your product and are available from Lenovo at any time upon request.
  • Page 56: Major Frus

    Major FRUs Table 9. Major FRUs FRU descriptions Self-service Optional-service LCD unit NFC card Keyboard bezel assembly Fingerprint reader Trackpad Magnesium structure frame Optical drive Wireless WAN card Hardware Maintenance Manual...
  • Page 57 Table 9. Major FRUs (continued) FRU descriptions Self-service Optional-service M.2 solid-state drive Wireless LAN card Coin-cell battery USB card Battery pack Base cover Small bottom door Large bottom door ExpressCard reader or dummy ExpressCard Hard disk drive or solid-state drive (depending on the model) Speaker assembly Microprocessor System board...
  • Page 58: Lcd Frus

    LCD FRUs Table 10. LCD FRUs No. FRU descriptions Self-service Optional-service LCD front bezel LCD panel Hinges Antenna kit Camera-and-microphone cable Camera-and-microphone card LCD rear cover assembly LCD cable Hardware Maintenance Manual...
  • Page 59: Miscellaneous Parts And Other Frus

    System miscellaneous kit • Bracket Kensington chassis • Fingerprint reader bracket assembly • EMI gasket NFC cateron • LCD bezel rubber • LED lens • ThinkPad logo • Lenovo logo • Spec Table 12. Other FRUs FRU descriptions Self-service Optional-service ac adapter...
  • Page 60 Hardware Maintenance Manual...
  • Page 61: Chapter 8. Fru Replacement Notices

    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 http://www.lenovo.com/UserManuals.
  • Page 62: 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 63: 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 64 1. Insert the latest version of LENOVO ThinkPad Hardware Maintenance Diskette or Maintenance Key, and then restart the computer. 2. From the main menu, select 6. Set ECA Information. 3. To write the ECA information, select 1. Write ECA/rework number from EEPROM, and follow the instruction;...
  • Page 65: Chapter 9. Removing Or Replacing A Fru

    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 is available for downloading at http://www.lenovo.com/UserManuals.
  • Page 66: Common Service Tools

    The Lenovo Solution Center program provides an automatic battery diagnostic test that determines if the battery pack is defective. A battery pack FRU should not be replaced unless this diagnostic test shows...
  • Page 67: 1020 Expresscard Reader Or Dummy Expresscard

    The only exception to this is if the battery pack is physically damaged or a customer is reporting a possible safety issue. If the Lenovo Solution Center program is not installed on the computer, the customer should download and install the program to diagnose the battery pack, before getting a non-physically damaged battery pack replaced.
  • Page 68: 1030 Large Bottom Door

    Removal steps of the ExpressCard reader or dummy ExpressCard 1030 Large bottom door For access, remove this FRU: • “1010 Battery pack” on page 60 Removal steps of the large bottom door Note: Loosen the screws 1040 Hard disk drive or solid-state drive For access, remove these FRUs: •...
  • Page 69: 1050 Optical Drive

    • Never remove the drive while the system is operating or in suspend mode. Removal steps of the hard disk drive or solid-state drive Remove the screw Torque Step Screw (quantity) Color M2 × 3 mm, flat-head, nylon-coated (1) Silver 0.181 Nm (1.85 kgf-cm) When installing:...
  • Page 70: 1060 Memory Module

    Step Screw (quantity) Color Torque 0.181 Nm M2 × 3 mm, flat-head, nylon-coated (1) Silver (1.85 kgf-cm) 1060 Memory module For access, remove these FRUs: • “1010 Battery pack” on page 60 • “1030 Large bottom door” on page 62 Hardware Maintenance Manual...
  • Page 71: 1070 Small Bottom Door

    Removal steps of the memory module When installing: Insert the notched end of the memory module into the memory slot. Press the memory module in firmly, and pivot it downward until it snaps into place. Ensure that the memory module is firmly installed in the slot and does not move easily.
  • Page 72: 1080 Wireless Lan Card

    Note: Under the small bottom door, there is a tamper detection switch. When you service the wireless LAN card, the wireless WAN card or the M.2 solid-state drive, and the coin-cell battery, avoid any kind of rough handling. 1080 Wireless LAN card For access, remove these FRUs: •...
  • Page 73: 1090 Wireless Wan Card Or M.2 Solid-State Drive

    When installing: Plug the gray cable into the connector labeled MAIN or 1 on the card; and plug the black cable into the connector labeled AUX or 2 on the card. 1090 Wireless WAN card or M.2 solid-state drive For access, remove these FRUs: •...
  • Page 74 Removal steps of the wireless WAN card Detach the connectors, and then remove the screw Torque Step Screw (quantity) Color M2 × 3 mm, flat-head, nylon-coated (1) Black 0.181 Nm (1.85 kgf-cm) When installing: Plug the red cable into the connector labeled MAIN on the card; and plug the blue cable into the connector labeled AUX on the card.
  • Page 75: 1100 Coin-Cell Battery

    Removal steps of the M.2 solid-state drive Remove the screw Step Screw (quantity) Color Torque Black 0.181 Nm M2 × 3 mm, flat-head, nylon-coated (1) (1.85 kgf-cm) 1100 Coin-cell battery For access, remove these FRUs: • “1010 Battery pack” on page 60 •...
  • Page 76: 1110 Keyboard

    DANGER Use only the authorized battery specified for your computer. Any other battery could ignite or explode. Removal steps of the coin-cell battery When installing: Ensure that the coin-cell battery connector is attached firmly. 1110 Keyboard For access, remove these FRUs: •...
  • Page 77 The screws securing the keyboard are beneath the keyboard frame. To reveal the screw heads beneath the frame, use the flat end of the multi-tool in the shipping package of the new keyboard to slide the keyboard forward by 2.5mm (0.1 inch). Use the cross end of the multi-tool to loosen the screws.
  • Page 78 Installation steps of keyboard Attach the connectors and then turn over the keyboard. Hardware Maintenance Manual...
  • Page 79 Put the keyboard back into place. Ensure that the front edge of the keyboard is under the frame of the keyboard bezel. Reveal the screw heads by sliding the keyboard frame forward with the flat end of the keyboard multi-tool. Tighten the screws with the cross end of the keyboard multi-tool to secure the keyboard in place.
  • Page 80 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.
  • Page 81: 1120 Keyboard Bezel Assembly

    1120 Keyboard bezel assembly For access, remove these FRUs: • “1010 Battery pack” on page 60 • “1030 Large bottom door” on page 62 • “1110 Keyboard” on page 70 Important: Read the following instructions first before replacing the keyboard bezel assembly for ThinkPad W540 models with a color sensor.
  • Page 82 7. When the initial calibration completes, a dialog box is displayed. Click OK to exit the Sensor Replacement Utility program. Removal steps of the keyboard bezel assembly Remove the screws Step Screw (quantity) Color Torque M2 × 9 mm, flat-head, nylon-coated (7) Black 0.181 Nm (1.85 kgf-cm)
  • Page 83: 1130 Power Button Card, Color Sensor, Nfc Card, Fingerprint Reader, And Trackpad

    When installing: Ensure that the connectors are attached firmly. 1130 Power button card, color sensor, NFC card, fingerprint reader, and trackpad For access, remove these FRUs in order: • “1010 Battery pack” on page 60 • “1030 Large bottom door” on page 62 •...
  • Page 84 Removal steps of the power button card Step Screw (quantity) Color Torque 0.181 Nm M2 × 3 mm, flat-head, nylon-coated (2) Silver (1.85 kgf-cm) Removal steps of the color sensor Important: Read the following instructions first before replacing the color sensor for ThinkPad W540 models. •...
  • Page 85 4. If the Sensor Replacement Utility program cannot be launched successfully, restore the color sensor calibration profile ECCM2SensorData.dat, which you have backed up in step 1, to the directory C:\ProgramData\X-Rite\ECCM-2. 5. If you did not back up the calibration profile and the customer does not have a backup of their image, you will also need to replace the LCD panel even if the LCD panel is not broken.
  • Page 86 Step Screw (quantity) Color Torque 0.181 Nm M2 × 7 mm, flat-head, nylon-coated (2) Silver (1.85 kgf-cm) Removal steps of the NFC card When installing: Ensure that the connector is attached firmly. Hardware Maintenance Manual...
  • Page 87 Removal steps of the fingerprint reader Step Screw (quantity) Color Torque M2 × 3 mm, flat-head, nylon-coated (2) Silver 0.181 Nm (1.85 kgf-cm) When installing: Ensure that the connector is attached firmly. Chapter 9 Removing or replacing a FRU...
  • Page 88: 1140 Smart Card Reader Or Dummy Smart Card

    Removal steps of the trackpad Step Screw (quantity) Color Torque Black 0.181 Nm M2 × 2 mm, flat-head, nylon-coated (5) (1.85 kgf-cm) When installing: Ensure that the connector is attached firmly. 1140 Smart card reader or dummy smart card For access, remove these FRUs: •...
  • Page 89 Removal steps of the smart card reader Step Screw (quantity) Color Torque M2 × 3 mm, flat-head, nylon-coated (3) Silver 0.181 Nm (1.85 kgf-cm) When installing: Ensure that the connector is attached firmly. When installing: Ensure that the connector is attached firmly. If the computer you are servicing has a dummy smart card installed.
  • Page 90: 1150 Lcd Unit

    Removal steps of the dummy smart card Step Screw (quantity) Color Torque 0.181 Nm M2 × 3 mm, flat-head, nylon-coated (3) Silver (1.85 kgf-cm) 1150 LCD unit For access, remove these FRUs: • “1010 Battery pack” on page 60 • “1030 Large bottom door”...
  • Page 91 Step Screw (quantity) Color Torque Black 0.392 Nm M2.5 × 6 mm, flat-head, nylon-coated (2) (4.0 kgf-cm) When installing: Ensure that the connectors are attached firmly. Chapter 9 Removing or replacing a FRU...
  • Page 92 10 10 When installing: Ensure that you route the cables firmly and tape up in the proper positions. 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 93: 1160 Magnesium Structure Frame

    1160 Magnesium structure frame For access, remove these FRUs in order: • “1010 Battery pack” on page 60 • “1030 Large bottom door” on page 62 • “1110 Keyboard” on page 70 • “1120 Keyboard bezel assembly” on page 75 •...
  • Page 94: 1170 Speaker Assembly

    Torque Step Screw (quantity) Color M2 × 3 mm, flat-head, nylon-coated (3) Silver 0.181 Nm (1.85 kgf-cm) 0.181 Nm M2 × 7 mm, flat-head, nylon-coated (5) Silver (1.85 kgf-cm) M2 × 2.5 mm, flat-head, nylon-coated (2) Black 0.181 Nm (1.85 kgf-cm) 1170 Speaker assembly For access, remove these FRUs: •...
  • Page 95: 1180 Dc-In Cable Assembly

    Removal steps of the speaker assembly Step Screw (quantity) Color Torque Black 0.392 Nm M2.5 × 2.5 mm, flat-head, nylon-coated (4) (4.0 kgf-cm) When installing: Ensure that the cables are routed as shown. 1180 dc-in cable assembly For access, remove these FRUs: •...
  • Page 96: 1190 Thermal Fan Assembly

    Removal steps of the dc-in cable assembly When installing: Ensure that the connector is attached firmly. Torque Step Screw (quantity) Color M2 × 3 mm, flat-head, nylon-coated (2) Silver 0.181 Nm (1.85 kgf-cm) 1190 Thermal fan assembly For access, remove these FRUs: •...
  • Page 97 • “1160 Magnesium structure frame” on page 87 Removal steps of the thermal fan assembly For integrated-graphics models: Detach the thermal fan assembly connector, and then loosen the screws in ascending alphabetical order (a to d) as illustrated. For discrete-graphics models: Detach the thermal fan assembly connector, and then loosen the screws in ascending alphabetical order (a to g) as illustrated.
  • Page 98: 1200 Usb Card

    contact with a component. For the new thermal fan assembly, you must peel the thin film off from the rubbers. 1200 USB card For access, remove these FRUs: • “1010 Battery pack” on page 60 • “1030 Large bottom door” on page 62 •...
  • Page 99: 1220 System Board And Base Cover

    • “1110 Keyboard” on page 70 • “1120 Keyboard bezel assembly” on page 75 • “1150 LCD unit” on page 84 • “1160 Magnesium structure frame” on page 87 • “1190 Thermal fan assembly” on page 90 Removal steps of the microprocessor Rotate the head of the screw using the Torx screwdriver in the direction shown by the arrow to release the lock;...
  • Page 100 Note: Dropping a system board from a height of as little as 6 inches so that it falls flat on a hard bench can subject the accelerometer to as much as 6000 G's of shock. • Be careful not to drop the system board on a bench top that has a hard surface, such as metal, wood, or composite.
  • Page 101 Removal steps of the system board and base cover When installing: Ensure that the connector is attached firmly. Step Screw (quantity) Color Torque M2 × 3 mm, flat-head, nylon-coated (2) Silver 0.181 Nm (1.85 kgf-cm) Chapter 9 Removing or replacing a FRU...
  • Page 102: 2010 Lcd Front Bezel

    Applying labels to the base cover: The new base cover FRU is shipped with a kit containing labels of several kinds. Apply those labels when you replace the base cover. For the labels that are not shipped with the new base cover, peel them from the old base cover, and adhere them to the new one.
  • Page 103: 2020 Lcd Panel, Hinges, And Lcd Cable

    Important: If your LCD panel needs a replacement, order a special LCD panel FRU kit for color sensor model from Lenovo. The FRU kit contains a LCD panel, a CD and an instruction flyer. For the correct FRU kit part number, check on the Web site at http://www.lenovo.com/serviceparts-lookup.
  • Page 104 6. When the initial calibration is finished, a dialog box is displayed. Click OK to exit the Panel Replacement Utility program. Important: If the computer is protected by a hard disk password or a Windows password, do one of the following: •...
  • Page 105 When installing: Ensure that the LCD connector is attached firmly. Removal steps of the hinges Step Screw (quantity) Color Torque Black 0.392 Nm M2.5 × 3.5 mm, flat-head, nylon-coated (4) (4.0 kgf-cm) Chapter 9 Removing or replacing a FRU...
  • Page 106 Removal steps of the LCD cable For models with wedge LCD Removal steps of the LCD panel, the hinges, and the LCD cable Hardware Maintenance Manual...
  • Page 107 Step Screw (quantity) Color Torque Black 0.392 Nm M2.5 × 3.5 mm, flat-head, nylon-coated (6) (4.0 kgf-cm) Torque Step Screw (quantity) Color M2 × 3 mm, flat-head, nylon-coated (4) Silver 0.181 Nm (1.85 kgf-cm) Chapter 9 Removing or replacing a FRU...
  • Page 108: 2030 Camera-And-Microphone Card And Camera-And-Microphone Cable

    When installing: Ensure that the LCD connector is attached firmly. 2030 Camera-and-microphone card and camera-and-microphone cable For access, remove these FRUs: • “1010 Battery pack” on page 60 • “1030 Large bottom door” on page 62 • “1150 LCD unit” on page 84 •...
  • Page 109: 2040 Antenna Kit And Lcd Rear Cover Assembly

    When installing: Ensure that the connector is attached firmly. Removal steps of the camera-and-microphone cable 2040 Antenna kit and LCD rear cover assembly For access, remove these FRUs in order: • “1010 Battery pack” on page 60 • “1030 Large bottom door” on page 62 •...
  • Page 110 Removal steps of the antenna kit and LCD rear cover assembly Cable routing: When you install the antenna kit, 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.
  • Page 111 Antenna location Wireless LAN auxiliary antenna (black) Wireless WAN auxiliary antenna (blue) Wireless WAN main antenna (red) Wireless LAN main antenna (grey) Chapter 9 Removing or replacing a FRU...
  • Page 112 Hardware Maintenance Manual...
  • Page 113: 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 114: Electronic Emissions Notices

    For electronic emission information on Class B digital devices, refer to the corresponding information in the User Guide. EU contact: Lenovo, Einsteinova 21, 851 01 Bratislava, Slovakia Trademarks The following terms are trademarks of Lenovo in the United States, other countries or both: Lenovo ThinkPad TrackPoint Ultrabay Microsoft, Windows, Windows Server, and Cortana are trademarks of the Microsoft group of companies.
  • Page 115: Appendix B. Abbreviation Table

    Electrically Erasable Programmable Read-Only Memory Extensible Firmware Interface Electrostatic discharge Field Replaceable Unit General Announce Variant Integrated circuits Liquid Crystal Display Machine type and model Power-on self-test POST RFID Radio-frequency identification Supervisor password UUID Universally unique identifier © Copyright Lenovo 2013, 2015...
  • Page 116 Hardware Maintenance Manual...
  • Page 118 Part Number: SP40A26003_03 Printed in China (1P) P/N: SP40A26003_03 *1PSP40A26003_03*...

This manual is also suitable for:

Thinkpad w540Thinkpad w541