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Lenovo ThinkPad E490s Hardware Maintenance Manual
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Lenovo ThinkPad E490s Hardware Maintenance Manual

Lenovo ThinkPad E490s Hardware Maintenance Manual

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E490s and S3
Hardware Maintenance Manual

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Summary of Contents for Lenovo ThinkPad E490s

  • Page 1 E490s and S3 Hardware Maintenance Manual...
  • Page 2 Appendix A “Notices” on page 79. First Edition (December 2018) © Copyright Lenovo 2018. 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

    Remove the microSD card ..Hard disk password ... 1010 Base cover assembly ..© Copyright Lenovo 2018...
  • Page 4 1020 M.2 solid-state drive ... 2010 LCD bezel assembly ... 1030 Wireless LAN card ... 2020 LCD panel.

  • 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 2018...
  • Page 6 E490s and S3 Hardware Maintenance Manual...

  • Page 7: Chapter 1. Safety Information

    Do not use this type of mat to protect yourself from electrical shock. © Copyright Lenovo 2018...

  • 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 E490s and S3 Hardware Maintenance Manual...
  • Page 13 PERIGO PERIGO Chapter 1 Safety information...
  • Page 14 PERIGO PERIGO PERIGO PERIGO PERIGO E490s and S3 Hardware Maintenance Manual...
  • Page 15 PERIGO DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 16 DANGER DANGER DANGER DANGER VORSICHT E490s and S3 Hardware Maintenance Manual...
  • Page 17 VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1 Safety information...
  • Page 18 VORSICHT VORSICHT VORSICHT E490s and S3 Hardware Maintenance Manual...
  • Page 19 Chapter 1 Safety information...
  • Page 20 E490s and S3 Hardware Maintenance Manual...
  • Page 21 Chapter 1 Safety information...
  • Page 22 E490s and S3 Hardware Maintenance Manual...
  • Page 23 Chapter 1 Safety information...
  • Page 24 E490s and S3 Hardware Maintenance Manual...
  • Page 25 Chapter 1 Safety information...
  • Page 26 E490s and S3 Hardware Maintenance Manual...

  • Page 27: Chapter 2. Important Service Information

    – “FRU identification” on page 22 Important: • Advise customers to contact the Lenovo Customer Support Center if they need any assistance in obtaining or installing any software fixes, drivers, and UEFI BIOS downloads. Telephone numbers for Lenovo Support are available at: https://pcsupport.lenovo.com/supportphonelist...

  • Page 28: Important Notice For Replacing A System Board

    Dynamic Configure To Order (CTO) 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: 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 2018...

  • Page 30: 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 31: 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...

  • Page 32: Power System Checkout

    1. Go to http://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 33: Checking The Built-In Battery And Operational Charging

    2. Start Lenovo Vantage program, and then click Hardware Settings ➙ Power. The ac power adapter information is displayed. Ensure that you use the USB-C type ac power adapter that is shipped with the computer to provide enough power to the computer. Otherwise, a message will be displayed, prompting you that the computer will not be charged or will be charged slowly.
  • Page 34 E490s and S3 Hardware Maintenance Manual...

  • Page 35: Chapter 4. Related Service Information

    The Windows recovery environment on your computer is capable of operating independently from the Windows 10 operating system. This enables you to recover or repair the operating system even if the Windows 10 operating system fails to start. © Copyright Lenovo 2018...

  • Page 36: Creating And Using A Recovery Usb Drive

    After two consecutive failed boot attempts, the Windows recovery environment starts automatically. Then you can choose repair and recovery options by following the instructions on the screen. Note: Ensure that your computer is connected to ac power during the recovery process. Creating and using a recovery USB drive You can create a recovery USB drive as a backup for the Windows recovery programs.

  • Page 37: 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 38: 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, hybrid drive, or solid-state drive with a scheduled fee.

  • Page 39: Hibernation Mode

    To put your computer into sleep mode, open the Start menu, click Power, and then click Sleep In certain circumstances, the computer goes into sleep mode automatically: • After a period of inactivity specified in power plan settings • When the battery power is low To resume the computer from sleep mode, press the power button.

  • Page 40: Numeric Error Codes

    Note: Do the FRU replacement or other actions in the sequence shown in the column headed “FRU or action, in sequence.” If replacing a FRU does not solve the problem, put the original part back in the computer. Do not replace a nondefective FRU. This index can also help you determine, during regular servicing, what FRUs are likely to need to be replaced next.

  • Page 41: Error Messages

    Thermal sensing error. Replace the system board. This system does not support batteries that are not Replace the battery. genuine Lenovo-made or authorized. The system will continue to boot, but may not charge unauthorized batteries. Attention: Lenovo has no responsibility for the...

  • Page 42: Beep Symptoms

    Beep symptoms 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. Go to https://support.lenovo.com/smartbeep or scan the following QR Code.

  • Page 43: 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 44: 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 Replace the system board. POST. • LCD backlight not working. 1. Reseat the LCD connectors. • LCD too dark. 2.

  • Page 45: Chapter 5. Special 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 46 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 47: Chapter 6. Locations

    This chapter helps you locate the hardware components on your computer. Locating computer controls, connectors, and indicators This section introduces hardware features of the computer. Front view 1. ThinkShutter 4. Microphones 2. Camera 5. Screen 3. Camera indicator © Copyright Lenovo 2018...

  • Page 48: Base View

    Base view 1. Power button 4. Trackpad ® 2. Speakers 5. TrackPoint pointing device 3. Fingerprint reader Left view 1. USB-C™ connector 4. USB 3.1 connector Gen 1 2. HDMI™ connector 5. Audio connector 3. Always On USB 3.1 connector Gen 1 E490s and S3 Hardware Maintenance Manual...

  • Page 49: Right View

    Right view 1. microSD card slot 3. Ethernet connector 2. USB 2.0 connector 4. Security-lock slot Locating FRUs and CRUs This topic introduces the following service parts: • “Major FRUs” on page 45 • “LCD FRUs” on page 47 Chapter 6 Locations...
  • Page 50 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 51: Major Frus

    Major FRUs Table 6. Major FRUs and CRUs FRU description Self-service CRU Optional-service CRU LCD unit Keyboard bezel assembly Fingerprint reader Fingerprint reader bracket Fingerprint reader cable Thermal fan assembly Chapter 6 Locations...
  • Page 52 Power cord ac power adapter Available on some 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/...

  • Page 53: Lcd Frus

    LCD FRUs Table 7. LCD FRUs FRU descriptions Self-service Optional-service LCD-bezel frame Integrated camera and microphone combo card LCD panel assembly Hinges WLAN antenna kit LCD rear cover assembly LED and camera cable assembly Chapter 6 Locations...

  • Page 54: Miscellaneous Parts

    • spec Connector and cable guide This topic provides information to help Lenovo authorized service technicians identify connectors and cables for replacement purpose. To view each FRU and the exploded illustration of the computer, see “Major FRUs” on page 45 and “LCD FRUs” on page 47.

  • Page 55: Looking Up Fru Information

    Connect the cables to these connectors. Trackpoint connector Trackpoint cable Connect the Trackpoint cable to this connector. (internal) Looking up FRU information For detailed FRU information, including part numbers, descriptions, and substitution part numbers, go to: https://support.lenovo.com/partslookup Chapter 6 Locations...
  • Page 56 E490s and S3 Hardware Maintenance Manual...

  • Page 57: 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 58: 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 59: 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 screen is displayed, press Esc. The ThinkPad Config Information Update Utility interface is displayed.
  • Page 60 5. Type 2 under Enter the action desired, then press Enter. The Auto UUID generation utility interface is displayed. 6. Type y under Change UUID. OK? [Y/N], then press Enter. A new UUID is created and written. If a valid UUID already exists, it is not overwritten.

  • Page 61: 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 62: Before Servicing The Computer

    Attention: 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 63: 1010 Base Cover Assembly

    1010 Base cover assembly Removal steps of the base cover assembly Applying labels to the bottom cover assembly Chapter 8 Removing or replacing a FRU...

  • Page 64: 1020 M.2 Solid-State Drive

    The following illustration shows the location of each label. SVT label Win10 GML label Argentina Electrical Safety Label/Argentina CNC label/ IMEI label Indonesia Rating and Postel label S/N label CECP label/Module name for PRC label System label/GEO label 1020 M.2 solid-state drive For access, remove this FRU: •...

  • Page 65: 1030 Wireless Lan Card

    2. Select Config ➙ Storage ➙ Intel Rapid Storage Technology. 3. Follow the instructions on the screen. Removal steps of the M.2 solid-state drive Torque Step Screw (quantity) Color M2 × 2.5 mm, flat-head, nylon-coated (1) Silver 0.181 Nm (1.85 kgf-cm) When installing: Ensure that the M.2 solid-state drive is installed firmly.

  • Page 66: 1040 Memory Module

    Step Screw (quantity) Color Torque M2 × 2.5 mm, flat-head, nylon-coated (1) silver 0.181 Nm (1.85 kgf-cm) When installing: Plug the gray cable into the main connector and the black cable into the auxiliary connector. 1040 Memory module For access, remove this FRU: •...

  • Page 67: 1060 Built-In Battery

    Ensure that the screws are installed firmly. 1060 Built-in Battery Important notices for replacing a built-in 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. Chapter 8...
  • Page 68 The Lenovo Vantage 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 that the battery is defective. The only exception to this is if the battery pack is physically damaged or a customer is reporting a possible safety issue.

  • Page 69: 1070 Coin-Cell Battery

    Ensure that the connector is attached firmly. 1070 Coin-cell battery For access, remove these FRUs: • “1010 Base cover assembly” on page 57 • “1020 M.2 solid-state drive” on page 58 • “1060 Built-in Battery” on page 61 Removal step of the coin-cell battery 1080 Speaker assembly For access, remove this FRU: •...

  • Page 70: 1090 Thermal Fan Assembly

    When installing: Straighten the speaker cable. Correctly route and secure the cable through the cable guides on the internal battery. Ensure that the cable is not pinched by any components. 1090 Thermal fan assembly For access, remove this FRU: • “1010 Base cover assembly” on page 57 Removal step of the thermal fan assembly When installing the thermal fan assembly: •...

  • Page 71: 1100 Fingerprint Reader Assembly

    • Before you attach the thermal fan assembly to the computer, apply thermal grease, at an amount of 0.2 grams, on the part 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. You might need to peel the thin film off from the rubbers marked •...

  • Page 72: 1110 Trackpad Assembly

    Step Screw (quantity) Color Torque M2 × 2 mm, flat-head, nylon-coated (1) Black 0.98 Nm (1.0 kgf-cm) 1110 Trackpad assembly For access, remove these FRUs: • “1010 Base cover assembly” on page 57 • “1020 M.2 solid-state drive” on page 58 •...

  • Page 73: 1120 System Board

    Step Screw (quantity) Color Torque M2 × 2 mm, flat-head, nylon-coated (4) Silver 0.147 Nm (1.5 kgf-cm) 1120 System board Important notices for handling the system board When handling the system board, read the following: • The system board has an accelerometer, which can be broken when several thousands of G-forces are applied.
  • Page 74 • “1050 I/O card” on page 60 • “1060 Built-in Battery” on page 61 • “1090 Thermal fan assembly” on page 64 Attention: The following components soldered on the top side of the system board are extremely sensitive. When you service the system board, avoid any kind of rough handling. For models with a discrete graphics card Graphics Processing Unit (GPU) Central Processing Unit (CPU)
  • Page 75 Removal steps of the system board Step Screw (quantity) Color Torque M2.5 × 5 mm, flat-head, nylon-coated (2) Silver 0.294 Nm (3 kgf-cm) Chapter 8 Removing or replacing a FRU...

  • Page 76: 1130 Keyboard Bezel Assembly And Lcd Unit

    Step Screw (quantity) Color Torque M2 × 2.5 mm, flat-head, nylon-coated (5) Silver 0.181 Nm (1.85 kgf-cm) When you install the system board: Ensure that all the connectors are attached firmly to the system board. 1130 Keyboard bezel assembly and LCD unit For access, remove these FRUs in order: •...
  • Page 77 • “1110 Trackpad assembly” on page 66 • “1120 System board” on page 67 Removal steps of the keyboard bezel assembly and LCD unit Chapter 8 Removing or replacing a FRU...

  • Page 78: 2010 Lcd Bezel Assembly

    2010 LCD bezel assembly Removal steps of the LCD bezel assembly When installing: Ensure that all the latches are attached firmly. 2020 LCD panel For access, remove this FRU: • “1130 Keyboard bezel assembly and LCD unit” on page 70 •...

  • Page 79: 2030 Hinges

    Removal steps of the LCD panel 2030 Hinges For access, remove these FRUs in order: • “1130 Keyboard bezel assembly and LCD unit” on page 70 • “2010 LCD bezel assembly” on page 72 • “2020 LCD panel” on page 72 Chapter 8 Removing or replacing a FRU...

  • Page 80: 2040 Integrated Camera And Microphone Combo Card

    Removal steps of the hinges Step Screw (quantity) Color Torque Black 0.294 Nm M2 × 2.2 mm, flat-head, nylon-coated (6) (3.0 kgf-cm) 2040 Integrated camera and microphone combo card For access, remove these FRUs in order: • “1130 Keyboard bezel assembly and LCD unit” on page 70 •...

  • Page 81: 2050 Led And Camera Cable Assembly

    Removal steps of the integrated camera and microphone combo card 2050 LED and camera cable assembly For access, remove these FRUs in order: • “1130 Keyboard bezel assembly and LCD unit” on page 70 • “2010 LCD bezel assembly” on page 72 •...

  • Page 82: 2060 Wlan Antenna Kit And Lcd Rear Cover Assembly

    2060 WLAN antenna kit and LCD rear cover assembly For access, remove these FRUs in order: • “1130 Keyboard bezel assembly and LCD unit” on page 70 • “2010 LCD bezel assembly” on page 72 • “2020 LCD panel” on page 72 •...
  • Page 83 When installing: Plug the grey cable into the main connector on the WLAN card; plug the black cable into the auxiliary connector on the WLAN card. Chapter 8 Removing or replacing a FRU...
  • Page 84 E490s and S3 Hardware Maintenance Manual...

  • Page 85: 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 86 EU contact: Lenovo, Einsteinova 21, 851 01 Bratislava, Slovakia Trademarks LENOVO, LENOVO logo, THINKPAD, THINKPAD logo and TRACKPOINT are trademarks of Lenovo. Intel and Optane are trademarks of Intel Corporation or its subsidiaries in the U.S. and/or other countries.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 87: Appendix B. Abbreviation Table

    Federal Communications Commission Field Replaceable Unit General Announce Variant Graphics Processing Unit Hard Disk Drive HDMI High-definition multimedia interface Integrated circuits ICCID Integrate circuit card identity International Standardization Organization Local area network Liquid Crystal Display Media Access Control © Copyright Lenovo 2018...
  • Page 88 Abbreviation Term Machine type Machine type and model Personal Computer Platform Controller Hub POST Power-on self-test 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...
  • Page 90 Part Number: SP40K05246 Printed in China (1P) P/N: SP40K05246...
  • Page 91 *1PSP40K05246*...

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