Lenovo ThinkPad L590 Hardware Maintenance Manual
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Lenovo ThinkPad L590 Hardware Maintenance Manual

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L490 and L590
Hardware Maintenance Manual

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Summary of Contents for Lenovo ThinkPad L590

  • Page 1 L490 and L590 Hardware Maintenance Manual...
  • Page 2 Appendix A “Notices” on page 119. First Edition (June 2019) © Copyright Lenovo 2019. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant to a General Services Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS-...

  • Page 3: Table Of Contents

    Power-on password ... Reading or writing the ECA information ..Hard disk password ... © Copyright Lenovo 2019...
  • Page 4 Chapter 8. Removing or replacing a 1130 Coin-cell battery ... . FRU....65 1140 NFC cable, NFC module and NFC antenna .

  • 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 21. © Copyright Lenovo 2019...
  • Page 6 L490 and L590 Hardware Maintenance Manual...

  • Page 7: Chapter 1. Safety Information

    Do not use this type of mat to protect yourself from electrical shock. © Copyright Lenovo 2019...

  • 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: https:// support.lenovo.com/partslookup 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 L490 and L590 Hardware Maintenance Manual...
  • Page 13 PERIGO PERIGO Chapter 1 Safety information...
  • Page 14 PERIGO PERIGO PERIGO PERIGO PERIGO L490 and L590 Hardware Maintenance Manual...
  • Page 15 PERIGO DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 16 DANGER DANGER DANGER DANGER VORSICHT L490 and L590 Hardware Maintenance Manual...
  • Page 17 VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1 Safety information...
  • Page 18 VORSICHT VORSICHT VORSICHT L490 and L590 Hardware Maintenance Manual...
  • Page 19 Chapter 1 Safety information...
  • Page 20 L490 and L590 Hardware Maintenance Manual...
  • Page 21 Chapter 1 Safety information...
  • Page 22 L490 and L590 Hardware Maintenance Manual...
  • Page 23 Chapter 1 Safety information...
  • Page 24 L490 and L590 Hardware Maintenance Manual...
  • Page 25 Chapter 1 Safety information...
  • Page 26 L490 and L590 Hardware Maintenance Manual...

  • Page 27: Chapter 2. Important Service Information

    The M.2 solid-state drive is designed and developed for “cache” function purpose only. • Advise customers to contact the Lenovo Customer Support Center if they need any assistance in obtaining or installing any software fixes, drivers, and Unified Extensible Firmware Interface basic input output system (UEFI BIOS) downloads.

  • Page 28: 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 29 2. Type the Machine Type in the corresponding field to get a general FRU list, or type the Serial Number for more detailed FRU information. Chapter 2 Important service information...
  • Page 30 L490 and L590 Hardware Maintenance Manual...

  • Page 31: Chapter 3. General Checkout

    Following is a list of some common items that are not covered under warranty and some symptoms that might indicate that the system was subjected to stress beyond normal use. © Copyright Lenovo 2019...

  • Page 32: Checkout Guide

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

  • Page 33: Quick Test 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 34: Power System Checkout

    1. Go to https://www.lenovo.com/diags 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 35: Checking The Built-In Battery And Operational Charging

    To check the USB-C type ac power adapter, do the following: 1. Connect the computer to a power outlet and turn on the computer. 2. Start Lenovo Vantage program, and then click Hardware Settings ➙ Power. The ac power adapter information is displayed.
  • Page 36 Wire Voltage (V dc) +2.5 to +3.2 Black Ground • If the voltage is correct, replace the system board. • If the voltage is not correct, replace the coin-cell battery. • If the coin-cell battery discharges quickly after replacement, replace the system board. L490 and L590 Hardware Maintenance Manual...

  • Page 37: Chapter 4. Related Service Information

    Recovering your operating system if Windows 10 fails to start The Windows recovery environment on your computer operates independently from the Windows 10 operating system. It enables you to recover or repair the operating system even if the Windows 10 operating system fails to start. © Copyright Lenovo 2019...

  • Page 38: Creating And Using A Recovery Usb Drive

    It is recommended that you create a recovery USB drive as early as possible. If you did not create a recovery USB drive as a precautionary measure, you can contact Lenovo Customer Support Center and purchase one from Lenovo. For a list of the Lenovo Support phone numbers for your country or region, go to: https://pcsupport.lenovo.com/supportphonelist Creating a recovery USB drive To create a recovery USB drive, you need a USB drive with at least 16 GB of storage capacity.

  • Page 39: Power-On Password

    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 40: How To Remove The Power-On Password

    You can enable the system management password to have the same authority as the supervisor password to control security related features. To customize the authority of the system management password through the UEFI BIOS menu: 1. Enter the UEFI BIOS menu. Note: When you are prompted by the icon , enter the correct supervisor password if a supervisor password has been set, or enter the correct system management password if no supervisor password...

  • Page 41: 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 42: Power Management

    9. Press F10 to save changes and exit the ThinkPad Setup program. The system management password has been removed. Power management To reduce power consumption, the computer has two power management modes: sleep and hibernation. Sleep mode When the computer enters sleep mode, the following events occur: •...

  • Page 43: Numeric Error Codes

    • “No-beep symptoms” on page 41 • “LCD-related symptoms” on page 41 • “Intermittent problems” on page 42 • “Undetermined problems” on page 42 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.

  • Page 44: Error Messages

    Table 2. Numeric error codes (continued) Symptom or error FRU or action, in sequence 0270 Have the computer serviced. Real Time Clock Error— System Real Time Clock is not functional. 0271 Set the date and time, using ThinkPad Setup. Check Date and Time settings— Neither the date nor the time is set in the computer.

  • Page 45: Beep Errors

    UEFI variable storage using the above solution. Beep errors Lenovo SmartBeep technology enables you to decode beep errors with your smartphone when a black screen occurs with beeps from your computer. To decode the beep error with Lenovo SmartBeep technology, do the following: 1.
  • Page 46 Error codes Solutions 0001: Reset error (platform reset not de-asserted) 1. Remove all power resources (the ac power adapter and the removable battery). Reset the computer by doing one of the following: • For models with the emergency-reset hole, insert a straightened paper clip into the emergency-reset hole.

  • Page 47: No-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 48: Intermittent Problems

    Table 5. LCD-related symptoms FRU or action, in sequence Symptom or error No beep, power-on indicator on, and a blank LCD during 1. Run LCD Self Test. POST. 2. Replace the system board. • LCD backlight not working. 1. Reseat the LCD cable. •...

  • Page 49: Chapter 5. Special Keys

    3. F1–F12 function keys 1. Go to Control Panel and view by Large icons or Small icons. 2. Click Keyboard or Lenovo - Keyboard Manager and select the option of your preference. Switch the function of the F1–F12 keys between the standard function and special function printed as an icon on each key.
  • Page 50 Enable or disable the built-in Bluetooth features. Open a keyboard setting page. Invoke the function defined by yourself: 1. Open the Start menu and click Lenovo Vantage. 2. Click Hardware Settings and then click Input. 3. Locate the Keyboard: User-defined Key section and follow the on-screen instructions to complete the setting.

  • Page 51: Special Keys (For L590)

    4. F1–F12 function keys 1. Go to Control Panel and view by Large icons or Small icons. 2. Click Keyboard or Lenovo - Keyboard Manager and select the option of your preference. Switch the function of the F1–F12 keys between the standard function and special function printed as an icon on each key.
  • Page 52 Enable or disable the built-in Bluetooth features. Open a keyboard setting page. Invoke the function defined by yourself: 1. Open the Start menu and click Lenovo Vantage. 2. Click Hardware Settings and then click Input. 3. Locate the Keyboard: User-defined Key section and follow the on-screen instructions to complete the setting.

  • Page 53: Chapter 6. Locations

    This chapter introduces the locations of the hardware components on your computer. Computer controls, connectors, and indicators This section introduces hardware features of the computer. Front 1. Infrared camera* 4. Microphones 2. ThinkShutter* 5. Multi-touch screen* 3. Camera* * for selected models © Copyright Lenovo 2019...

  • Page 54: Base (For L490)

    Base (for L490) 1. Power button 4. NFC mark* ® 2. Fingerprint reader* 5. TrackPoint pointing device 3. Trackpad * for selected models Base (for L590) 1. Power button 4. NFC mark* 2. Numeric keypad 5. Trackpad 3. Fingerprint reader* 6.

  • Page 55: Left

    Left 1. USB-C™ connector (USB 3.1 Gen 1) 6. Nano-SIM-card slot* 2. USB-C connector (USB 3.1 Gen 2) 7. microSD-card slot 3. Docking-station connector 8. Ethernet connector 4. Always On USB 3.1 connector Gen 1 9. Smart-card slot* 5. HDMI™ connector * for selected models Right 1.

  • Page 56: Bottom

    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 57: Major Frus And Crus (For L490)

    Major FRUs and CRUs (for L490) Table 6. Major FRUs and CRUs FRU description Self-service CRU Optional-service CRU LCD unit Keyboard bezel assembly Power button card with cable Memory module WLAN card WWAN card* or M.2 solid-state drive in the WWAN-card slot* or M.2 Intel Optane memory* in the WWAN-card slot Chapter 6 Locations...
  • Page 58 NFC antenna* NFC module* NFC cable* I/O bracket System board Nano-SIM-card tray* Trackpad cable Trackpad Keyboard Power cord ac power adapter Miscellaneous parts kits Label kit Lenovo factory recovery USB key* * for selected models L490 and L590 Hardware Maintenance Manual...

  • Page 59: Major Frus And Crus (For L590)

    Note: The Lenovo factory recovery USB key is used to restore the Microsoft Windows operating system. It might not come with the computer, and a user might order it from https://pcsupport.lenovo.com/ , though additional shipping and handling fees might apply.
  • Page 60 Fingerprint reader bracket* Fingerprint reader module* USB and audio card bracket I/O bracket Keyboard bezel assembly Trackpad cable Trackpad Power cord ac power adapter Miscellaneous parts kits Label kit Lenovo factory recovery USB key* L490 and L590 Hardware Maintenance Manual...

  • Page 61: Lcd Frus

    * for selected models Note: The Lenovo factory recovery USB key is used to restore the Microsoft Windows operating system. It might not come with the computer, and a user might order it from https://pcsupport.lenovo.com/ , though additional shipping and handling fees might apply.

  • Page 62: Miscellaneous Parts

    Label Kit Connector and cable guide This section provides information to help Lenovo authorized service technicians identify connectors and cables for replacement purpose. To view each FRU and the exploded illustration of the computer, see “Major FRUs and CRUs (for L490)” on page 51 and “LCD FRUs” on page 55.
  • Page 63 Note: Depending on the model, some connectors or cables might not be available. System board connectors and cables Table 9. System board Connector/feature Internal cable required Cable connection LCD connector (internal) LCD/camera cable Connect one end to the LCD panel, one end to the camera/ microphone combo card, and another end to this connector.
  • Page 64 Table 9. System board (continued) Internal cable required Connector/feature Cable connection The coin-cell battery comes with a Coin-cell battery connector (internal) cable. Connect the cable to this connector. MicroSD-card slot (external) Insert a MicroSD card into this slot. Ethernet connector (external) Connect the Ethernet cable to this connector.
  • Page 65 USB and audio card connectors (for L490) Table 10. USB and audio card Connector/feature Internal cable required Cable connection Audio connector (external) Connect headphones or a headset with a 3.5-mm (0.14-inch) 4-pole plug to the audio connector. USB 3.1 connector Gen 1 Insert USB-A compatible devices (external) into the USB connector.

  • Page 66: Looking Up Fru Information

    Connect headphones or a headset with a 3.5-mm (0.14-inch) 4-pole plug to the audio connector. Looking up FRU information For detailed FRU information, including part numbers, descriptions, and substitution part numbers, go to: https://support.lenovo.com/partslookup L490 and L590 Hardware Maintenance Manual...

  • Page 67: Chapter 7. Fru Replacement Notices

    CRU to you. CRU information and replacement instructions are shipped with your product and are available from Lenovo at any time upon request. You can find a list of CRUs for your product in this Hardware Maintenance Manual. An electronic version of this manual can be found at .

  • Page 68: Retaining Serial Numbers

    • They are harder to tighten. Do the following when you service this machine: • Keep the screw kit in your tool bag. For the part number of the screw kit, go to https://support.lenovo.com/ partslookup • It is recommended to use new screws.

  • Page 69: Retaining The Uuid

    Maintenance Key. Note: Only an authorized Lenovo service technician can access the above Web site. 3. Restart the computer. 4. When the logo is displayed, press Esc. The ThinkPad Config Information Update Utility interface is displayed.

  • Page 70: Reading Or Writing The Eca Information

    To check what ECAs have been previously applied to the machine, use the ECA Information Read/Write function on the LENOVO ThinkPad Hardware Maintenance Diskette or Maintenance Key. 1. Insert the latest version of LENOVO ThinkPad Hardware Maintenance Diskette or Maintenance Key, and then restart the computer.

  • Page 71: Chapter 8. Removing Or Replacing A Fru

    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 https:// support.lenovo.com...

  • Page 72: Before Servicing The Computer

    • The system board is sensitive to, and can be damaged by, electrostatic discharge (ESD). Before touching it, establish personal grounding by touching a ground point with one hand or by using an electrostatic discharge strap. Before servicing the computer Carefully read this topic before servicing the computer.

  • Page 73: 1010 Keyboard

    After you finish the servicing, ensure that you install the card back into the slot firmly. 1010 Keyboard Note: You might be instructed to slide the keyboard frame forward or backward in some of the following steps. In this case, ensure that you do not press or hold the keys while sliding the keyboard frame. Otherwise, the keyboard frame cannot be moved.
  • Page 74 Note: If the keyboard must be removed to access other FRUs, you need the keyboard removal tool (product part number: 01LX856) to remove the keyboard. You can purchase the tool as a separate FRU https://support.lenovo.com/partslookup 3. Loosen the screws that secure the keyboard...
  • Page 75 4. Insert the tabs into the two dents near the two screw heads as shown 5. Pivot the tool in the direction as shown to release the keyboard . Push the keyboard in the direction as shown by arrows to release the latches from the keyboard bezel. 6.

  • Page 76: 1020 Base Cover Assembly

    7. Put the keyboard on the palm rest as shown. Open the plastic shield and detach the connectors. Then, remove the keyboard. 1020 Base cover assembly Note: Depending on the computer model, your computer might look different from the illustrations in this topic.
  • Page 77 Removal steps of the base cover assembly (for L590) Applying labels to the base cover assembly (for L490): The following illustration shows the label locations on the base cover assembly. India/TAA GEO label for local build IMEI label Asset tag label India GEO label GEO label Genuine Microsoft label (for Windows 10)

  • Page 78: 1030 Wireless-Lan Card

    Applying labels to the base cover assembly (for L590): The following illustration shows the label locations on the base cover assembly. IMEI label India/TAA GEO label for local build India GEO label Asset tag label GEO label Genuine Microsoft label (for Windows 10) China CECP label Country label S/N label...

  • Page 79: 1040 Wireless-Wan Card

    Step Screw (quantity) Color Torque M2 × 3 mm, flat-head, nylon-coated (1) Silver 0.181 Nm (1.85 kgf-cm) When installing: Plug the gray cable into the connector labeled Main on the card, and plug the black cable into the connector labeled Aux on the card. 1040 Wireless-WAN card For access, remove this FRU: •...

  • Page 80: 1060 I/O Bracket

    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 81 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 the I/O bracket is attached firmly. Removal steps of the I/O bracket (for L590) Step Screw (quantity) Color Torque M2.5 × 4.5 mm, flat-head, nylon-coated (3) Silver 0.294 Nm (3.0 kgf-cm)

  • Page 82: 1070 Internal Storage Drive

    Step Screw (quantity) Color Torque 0.181 Nm M2 × 3 mm, flat-head, nylon-coated(2) Silver (1.85 kgf-cm) When installing: Ensure that the I/O bracket is attached firmly. 1070 Internal storage drive For access, remove this FRU: • “1020 Base cover assembly” on page 70 Attention: •...
  • Page 83 Removal steps of the 2.5-inch internal storage drive, cable and bracket Chapter 8 Removing or replacing a FRU...
  • Page 84 Removal steps of the M.2 solid-state drive, cable, bracket, and adapter in the internal-storage-drive L490 and L590 Hardware Maintenance Manual...
  • Page 85 Step Screw (quantity) Color Torque M2 × 3 mm, flat-head, nylon-coated (2) Silver 0.181 Nm (1.85 kgf-cm) If you are removing the M.2 2242 solid-state drive, continue with the following steps: Chapter 8 Removing or replacing a FRU...
  • Page 86 Step Screw (quantity) Color Torque M2 × 3 mm, flat-head, nylon-coated (1) Silver 0.181 Nm (1.85 kgf-cm) If you are removing the M.2 2280 solid-state drive, continue with the following steps: Torque Step Screw (quantity) Color M2 × 3 mm, flat-head, nylon-coated (1) Silver 0.181 Nm (1.85 kgf-cm)

  • Page 87: Step Screw (Quantity) Color

    Removal steps of the M.2 solid-state drive or the M.2 Intel Optane memory in the WWAN card slot For computer models that are installed with the Intel Optane memory, disable the Intel Optane memory before removing it. To disable the Intel Optane memory, do the following: 1.

  • Page 88: 1080 Usb And Audio Card Bracket (For L590)

    1080 USB and audio card bracket (for L590) For access, remove this FRU: • “1020 Base cover assembly” on page 70 Removal steps of the USB and audio card bracket Step Screw (quantity) Color Torque M2.5 × 4.5 mm, flat-head, nylon-coated (2) Silver 0.294 Nm (3.0 kgf-cm)

  • Page 89: 1100 Speaker Assembly

    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. Removal steps of the USB and audio card (for L590) Step Screw (quantity) Color Torque M2 ×...

  • Page 90: Nm (1.85 Kgf-Cm)

    Removal steps of the speaker assembly (for L490) Step Screw (quantity) Color Torque M2 × 2.4+2.2 mm, flat-head, nylon-coated (4) Black 0.181 Nm (1.85 kgf-cm) L490 and L590 Hardware Maintenance Manual...

  • Page 91: 1110 Thermal Fan Assembly

    Removal steps of the speaker assembly (for L590) Step Screw (quantity) Color Torque M2 × 2.4+2.2 mm, flat-head, nylon-coated (4) Black 0.181 Nm (1.85 kgf-cm) 1110 Thermal fan assembly For access, remove this FRU: • “1020 Base cover assembly” on page 70 Removal steps of the thermal fan assembly Notes: •...
  • Page 92 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 93: 1120 Built-In Battery

    • “1020 Base cover assembly” on page 70 Important notices for replacing a battery Attention: Lenovo has no responsibility for the performance or safety of unauthorized batteries, and provides no warranties for failures or damage arising out of their use.

  • Page 94: Nm (1.85 Kgf-Cm)

    Step Screw (quantity) Color Torque M2 × 5 mm, flat-head, nylon-coated (3) Black 0.181 Nm (1.85 kgf-cm) Removal steps of the built-in battery (for L590) L490 and L590 Hardware Maintenance Manual...

  • Page 95: 1130 Coin-Cell Battery

    Step Screw (quantity) Color Torque M2 × 5 mm, flat-head, nylon-coated (3) Black 0.181 Nm (1.85 kgf-cm) M2 × 3 mm, flat-head, nylon-coated (1) Silver 0.181 Nm (1.85 kgf-cm) 1130 Coin-cell battery For access, remove these FRUs in order: • “1020 Base cover assembly” on page 70 •...
  • Page 96 Removal steps of the NFC cable, NFC module and NFC antenna (L490) L490 and L590 Hardware Maintenance Manual...
  • Page 97 Chapter 8 Removing or replacing a FRU...
  • Page 98 Removal steps of the NFC cable, NFC module and NFC antenna (L590) L490 and L590 Hardware Maintenance Manual...

  • Page 99: 1150 Trackpad Cable And Trackpad

    1150 Trackpad cable and Trackpad For access, remove these FRUs in order: • “1020 Base cover assembly” on page 70 • “1120 Built-in battery” on page 87 Removal steps of the Trackpad cable and Trackpad Chapter 8 Removing or replacing a FRU...
  • Page 100 L490 and L590 Hardware Maintenance Manual...

  • Page 101: 1160 Fingerprint Reader Cable, Bracket And Module

    Torque Step Screw (quantity) Color M2 × 2.3 mm, flat-head, nylon-coated (4) Silver 0.181 Nm (1.85 kgf-cm) 1160 Fingerprint reader cable, bracket and module For access, remove these FRUs in order: • “1020 Base cover assembly” on page 70 • “1120 Built-in battery” on page 87 •...
  • Page 102 Removal steps of the fingerprint reader cable, bracket and module L490 and L590 Hardware Maintenance Manual...

  • Page 103: 1170 Power Button Card With Cable

    Torque Step Screw (quantity) Color M2 × 3 mm, flat-head, nylon-coated (1) Silver 0.181 Nm (1.85 kgf-cm) 1170 Power button card with cable Removal steps of the power button card with cable (for L490) For access, remove these FRUs in order: •...

  • Page 104: M2.5 × 4.5 Mm, Flat-Head, Nylon-Coated

    Step Screw (quantity) Color Torque M2.5 × 4.5 mm, flat-head, nylon-coated (3) Silver 0.294 Nm (3.0 kgf-cm) L490 and L590 Hardware Maintenance Manual...

  • Page 105: M2 × 3 Mm, Flat-Head, Nylon-Coated

    Step Screw (quantity) Color Torque M2 × 3 mm, flat-head, nylon-coated (1) Silver 0.181 Nm (1.85 kgf-cm) Removal steps of the power button card and cable (for L590) For access, remove these FRUs in order: • “1020 Base cover assembly” on page 70 •...
  • Page 106 Step Screw (quantity) Color Torque M2.5 × 4.5 mm, flat-head, nylon-coated (1) Silver 0.294 Nm (3.0 kgf-cm) L490 and L590 Hardware Maintenance Manual...

  • Page 107: 1180 Smart Card Reader,Cable And Bracket

    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. 1180 Smart card reader,cable and bracket For access, remove these FRUs in order: • “1020 Base cover assembly” on page 70 •...
  • Page 108 Removal steps of the smart card reader,cable and bracket (for L490) Step Screw (quantity) Color Torque M2 × 3.5 mm, flat-head, nylon-coated (1) Black 0.181 Nm (1.85 kgf-cm) M2 × 3 mm, flat-head, nylon-coated (4) Silver 0.181 Nm (1.85 kgf-cm) L490 and L590 Hardware Maintenance Manual...
  • Page 109 Removal steps of the smart card reader,cable and bracket (for L590) Chapter 8 Removing or replacing a FRU...
  • Page 110 Torque Step Screw (quantity) Color M2 × 3 mm, flat-head, nylon-coated (3) Silver 0.181 Nm (1.85 kgf-cm) L490 and L590 Hardware Maintenance Manual...

  • Page 111: 1190 System Board

    Note: The keyboard removal tool (product part number: 01LX856) is needed for removing the keyboard. You can purchase it as a separate FRU at: https://support.lenovo.com/partslookup • “1020 Base cover assembly” on page 70 • “1030 Wireless-LAN card” on page 72 •...
  • Page 112 Removal steps of the system board (for L490) Step Screw (quantity) Color Torque 0.181 Nm M2 × 3 mm, flat-head, nylon-coated (3) Silver (1.85 kgf-cm) When installing: Ensure that the connectors are attached firmly. L490 and L590 Hardware Maintenance Manual...

  • Page 113: 1200 Lcd Unit

    Removal steps of the system board (for L590) Step Screw (quantity) Color Torque M2 × 3 mm, flat-head, nylon-coated (4) Silver 0.181 Nm (1.85 kgf-cm) When installing: Ensure that the connectors are attached firmly. 1200 LCD unit For access, remove these FRUs in order: •...
  • Page 114 Note: The keyboard removal tool (product part number: 01LX856) is needed for removing the keyboard. You can purchase it as a separate FRU at: https://support.lenovo.com/partslookup • “1020 Base cover assembly” on page 70 • “1030 Wireless-LAN card” on page 72 •...
  • Page 115 Step Screw (quantity) Color Torque M2.5 × 4.5 mm, flat-head, nylon-coated (3) Silver 0.294 Nm (3.0 kgf-cm) Chapter 8 Removing or replacing a FRU...
  • Page 116 Removal steps of the LCD unit (for L590) L490 and L590 Hardware Maintenance Manual...

  • Page 117: 2010 Lcd Bezel

    When installing: • Ensure that the connectors are attached firmly. • Ensure that the cables are not subject to any tension. Tension could cause the cables to be damaged by the cable guides, or a wire to be broken. 2010 LCD bezel For access, remove this FRU: •...

  • Page 118: 2020 Lcd Panel

    2020 LCD panel For access, remove these FRUs in order: • “1200 LCD unit” on page 107 • “2010 LCD bezel” on page 111 Removal steps of the LCD panel Step Screw (quantity) Color Torque M2 × 3 mm, flat-head, nylon-coated (4) Silver 0.181 Nm (1.85 kgf-cm)

  • Page 119: 2030 Camera/Microphone Combo Card

    1. Insert the bottom edge of the LCD panel at an angle of about 30 degrees. 2. Ensure that all the latches are attached firmly. 2030 Camera/microphone combo card For access, remove these FRUs in order: • “1200 LCD unit” on page 107 •...

  • Page 120: 2040 Camera/Lcd Cable

    2040 camera/LCD cable For access, remove these FRUs in order: • “1200 LCD unit” on page 107 • “2010 LCD bezel” on page 111 • “2020 LCD panel” on page 112 Note: Depending on the model, the LCD/camera cable might look slightly different from the illustration. Removal steps of the infrared camera/LCD cable L490 and L590 Hardware Maintenance Manual...

  • Page 121: 2050 Hinges

    Removal steps of the conventional camera/LCD cable 2050 Hinges For access, remove these FRUs in order: • “1200 LCD unit” on page 107 • “2010 LCD bezel” on page 111 • “2020 LCD panel” on page 112 Chapter 8 Removing or replacing a FRU...
  • Page 122 Removal steps of the hinges Torque Step Screw (quantity) Color M2.5 × 2.5 mm, flat-head, nylon-coated (6) Black 0.294 Nm (3.0 kgf-cm) L490 and L590 Hardware Maintenance Manual...

  • Page 123: 2060 Wireless Antenna Assembly

    2060 Wireless antenna assembly For access, remove these FRUs in order: • “1200 LCD unit” on page 107 • “2010 LCD bezel” on page 111 • “2020 LCD panel” on page 112 Removal steps of the wireless antenna assembly When installing: Route the cables as shown in the following illustration.
  • Page 124 Antenna locations (for L490) Wireless-LAN auxiliary antenna (black) Wireless-WAN auxiliary antenna (blue) Wireless-WAN main antenna (orange) Wireless-LAN main antenna (gray) Antenna locations (for L590) Wireless-LAN main antenna (gray) Wireless-WAN main antenna (orange) Wireless-WAN auxiliary antenna (blue) Wireless-LAN auxiliary antenna (black) L490 and L590 Hardware Maintenance Manual...

  • Page 125: Appendix A. Notices

    Lenovo representative for information about 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 126 EU Contact: Lenovo (Slovakia), Landererova 12, 811 09 Bratislava, Slovakia Trademarks LENOVO, LENOVO logo, THINKPAD, THINKPAD logo and TRACKPOINT are trademarks of Lenovo. Microsoft and Windows are trademarks of the Microsoft group of companies. The terms HDMI and HDMI High-Definition Multimedia Interface are trademarks or registered trademarks of HDMI Licensing LLC in the United States and other countries.

  • Page 127: Appendix B. Abbreviation Table

    ICCID integrate circuit card identity International Standardization Organization local area network liquid crystal display media access control machine type machine type and model personal computer Platform Controller Hub POST power-on self-test © Copyright Lenovo 2019...
  • Page 128 Abbreviation Term random-access memory radio frequency RFID radio-frequency identification ring indicator registered jack 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...
  • Page 130 Part Number: SP40V10524 Printed in China (1P) P/N: SP40V10524...
  • Page 131 *1PSP40V10524*...

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