hit counter script
Lenovo 20G8 Hardware Maintenance Manual
  1. Manuals
  2. Brands
  3. Lenovo Manuals
  4. Laptop
  5. 20G8
  6. Hardware maintenance manual
Lenovo 20G8 Hardware Maintenance Manual

Lenovo 20G8 Hardware Maintenance Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
ThinkPad 11e 3rd Gen and ThinkPad Yoga 11e
3rd Gen
Hardware Maintenance Manual
Machine types: 20G8, 20G9, 20GA, and 20GB

Advertisement

Table of Contents
loading

Related Manuals for Lenovo 20G8

Summary of Contents for Lenovo 20G8

  • Page 1 ThinkPad 11e 3rd Gen and ThinkPad Yoga 11e 3rd Gen Hardware Maintenance Manual Machine types: 20G8, 20G9, 20GA, and 20GB...

  • Page 2: Table Of Contents

    Checkout guide ....Major FRUs ....Lenovo Solution Center ..LCD FRUs .
  • Page 3 1010 Bottom cover ... 2020 LCD panel and LCD cable ..1020 Battery....2030 Camera/microphone board .

  • Page 4: About This Manual

    ® ThinkPad Yoga 11e 3rd Gen MT: 20G8 and 20GA 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. Use this manual along with the advanced diagnostic tests to troubleshoot problems effectively.

  • Page 5: Chapter 1. Safety Information

    Do not use this type of mat to protect yourself from electrical shock. © Copyright Lenovo 2016...

  • Page 6: 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 7: 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 battery or a bulging capacitor • Mechanical hazards, such as loose or missing hardware To determine whether there are any potentially unsafe conditions, use the following checklist at the beginning of every service task.

  • Page 8: 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 9 DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...

  • Page 10: Chapter 2. Important Service Information

    Always try to run a low-level format before replacing a solid-state drive. This will cause all customer data on the solid-state drive to be lost. Be sure that the customer has a current backup of the data before doing this task. © Copyright Lenovo 2016...

  • Page 11: 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 12 1. Click Warranty & Services. 2. Click Check Warranty Status. 3. On the Warranty Status Lookup page, click Parts Lookup. 4. Type your machine type and serial number, and then click Submit. eSupport also can be used to view the general FRU list for a product. To get the general FRU list for a product, do the following: 1.

  • Page 13: 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 14: Checkout Guide

    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 15: Uefi Diagnostic Program

    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 16: Power System Checkout

    2. Insert the CD into the external optical drive. 3. Restart the computer. 4. When the ThinkPad logo is displayed, repeatedly press and release the F12 key. When the Boot Menu window opens, release the F12 key. 5. Use the arrow keys to select ATAPI CDx (x: 0, 1, ...) and then press Enter. The diagnostic program will be launched automatically.

  • Page 17: Checking The Battery And Operational Charging

    Checking the battery and operational charging Checking the battery This system 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.

  • Page 18: Chapter 4. Related Service Information

    Note: The rest of the recovery process is fully automated and no action from you is required. The ® computer will restart into the Microsoft Windows desktop several times and you might experience periods when no activity is apparent on the screen for several minutes at a time. This is normal. © Copyright Lenovo 2016...

  • Page 19: Recovery Overview For The Windows 10 Operating System

    9. When the recovery process completes, the Welcome to Microsoft Windows screen is displayed. Follow the instructions on the screen to complete the Windows setup. 10. After you have completed the Windows setup, you might want to restore the original startup sequence. Start the ThinkPad Setup program and then press F9 to restore the default settings.

  • Page 20: Creating And Using A Recovery Usb Drive

    Creating and using a recovery USB drive You can create a recovery USB drive as a backup for the Windows recovery programs. With the recovery USB drive, you can troubleshoot and fix the problems even if the preinstalled Windows recovery programs are damaged.

  • Page 21: Hard Disk Password

    If it has, it can be used for access to the M.2 solid-state 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 M.2 solid-state drive. The M.2 solid-state drive can be replaced for a scheduled fee.

  • Page 22: How To Remove The Hard Disk Password

    Attention: If User only mode is selected and the user hard disk password has been forgotten and cannot be made available to the service technician, neither Lenovo nor Lenovo authorized service technicians provide any services to reset the user hard disk passwords or to recover data from the M.2 solid-state drive. The M.2 solid-state drive can be replaced for a scheduled fee.

  • Page 23: Hibernation Mode

    • The microprocessor stops. To enter sleep mode, press Fn+4 or do the following: • For Windows 7: Open the Start menu, then click the arrow next to the Shut down button. Click Sleep from the menu displayed. • For Windows 10: Open the Start menu, click Power, and then click Sleep.

  • Page 24: Numeric Error Codes

    This index can also help you determine, during regular servicing, what FRUs are likely to need to be replaced next. A numeric error is displayed for each error detected in POST or system operation. In the displays, n can be any number. If no numeric code is displayed, check the narrative descriptions of symptoms.

  • Page 25: Error Messages

    Table 1. Numeric error codes (continued) Symptom or error FRU or action, in sequence 2101 1. Reseat the solid-state drive. 2. Solid-state drive 3. System board Detection error on SSD (M.2) 2110 1. Reseat the internal storage drive. Read error on Storage Device (M.2) 2.

  • Page 26: Lcd-Related Symptoms

    • This policy applies to all ThinkPad notebooks purchased on 1 January, 2008 or later. • Lenovo will not provide replacement if the LCD is within specification as we cannot guarantee that any replacement LCD will have zero pixel defects.

  • Page 27: Undetermined Problems

    Undetermined problems If the diagnostic tests did not identify the adapter or device that has failed, if wrong devices are installed, or if the system simply is not operating, follow these procedures to isolate the failing FRU (do not isolate FRUs that have no defects).

  • Page 28: Chapter 5. Locations

    Front view ThinkPad 11e 3rd Gen front view Microphone Camera-in-use indicator Camera Speakers HDMI™ connector Security-lock slot USB 3.0 connector Audio connector Volume-control buttons Power button Touch pad System-status indicator Fn Lock indicator Speaker-mute indicator Microphone-mute indicator © Copyright Lenovo 2016...
  • Page 29 ThinkPad Yoga 11e 3rd Gen front view Microphone Camera-in-use indicator Camera Speakers Security-lock slot HDMI™ connector USB 3.0 connector Audio connector Volume-control buttons Power button System-status indicator Touch pad Fn Lock indicator Speaker-mute indicator Microphone-mute indicator Multi-touch screen : The illuminated dot in the ThinkPad logo works as a system-status indicator and helps you identify the status of your computer.

  • Page 30: Left-Side View

    : When the speaker-mute indicator is on, the speakers are muted. : When the microphone-mute indicator is on, the microphone is muted. Left-side view System-status indicator Wireless-status indicator Media card slot USB 3.0 connector Ethernet connector Power connector : The illuminated dot in the ThinkPad logo works as a system-status indicator and helps you identify the status of your computer.

  • Page 31: Bottom View

    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 prod uct. 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 32: Major Frus

    Major FRUs FRU descriptions CRU ID LCD unit (see “LCD FRUs” on page 45) Keyboard Keyboard bezel assembly Chapter 5 Locations...
  • Page 33 Bracket for the dc-in connector (see “Miscellaneous parts and other FRUs” on page 47) dc-in connector Media card reader board Note: The Lenovo factory recovery USB key and the Lenovo recovery disc set are used to restore the Microsoft Windows operating system. They might not come with the computer, and a user might order them...

  • Page 34: Lcd Frus

    LCD FRUs LCD FRUs for non-touch models: FRU descriptions CRU ID LCD bezel assembly Camera/microphone board LCD panel without touch function Black screw caps (see “Miscellaneous parts and other FRUs” on page 47) Hinges LCD rear cover assembly (including antenna kits and camera/microphone/CCD module cables) LCD cable Hinge rubbers (see “Miscellaneous parts and other FRUs”...
  • Page 35 LCD FRUs for touch models: FRU descriptions CRU ID LCD panel assembly with touch function Black screw caps (see “Miscellaneous parts and other FRUs” on page 47) LCD panel brackets Proximity sensor board Camera/microphone board Hinges Hinge rubbers (see “Miscellaneous parts and other FRUs” on page 47) LCD rear cover assembly (including antenna kits and camera/microphone/CCD/proximity sensor module cables) LCD cable...

  • Page 36: Miscellaneous Parts And Other Frus

    • Hinge rubbers for non-touch model 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” on page 43 and “LCD FRUs” on page 45.
  • Page 37 Connector/location Internal cable None. Integrated. Power button (right side) Volume-control buttons (right side) None. Integrated. None. Integrated. Audio connector (right side) USB 3.0 connector (right side) None. Integrated. None. Integrated. HDMI connector (right side) Speaker connector (internal) Speaker cable, connecting the speaker assembly to the system board Camera/microphone connector (internal) Camera cable, connecting the camera module,...
  • Page 38 Connector/location Internal cable Trackpad connector (internal) FPC for trackpad, connecting the trackpad to the system board Media-card reader connector and cable Connector/location Internal cable Media-card reader connector (internal) FPC for media-card reader, connecting the media-card reader to the system board Wireless-LAN card connectors and cables Internal cable Connector/location...
  • Page 39 Proximity sensor board connector and cable (for touch models) Connector/location Internal cable Proximity sensor board cable, connecting the Proximity sensor board connector (internal) proximity sensor board to the system board and the camera, microphone, and CCD modules ThinkPad 11e 3rd Gen and ThinkPad Yoga 11e 3rd Gen Hardware Maintenance Manual...

  • Page 40: Chapter 6. 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. Click Guides & Manuals and then follow the on-screen instructions to find the manual for your product.

  • Page 41: Retaining Serial Numbers

    • It is recommended to use each screw only once. Tighten screws as follows: • Plastic to plastic Turn an additional 90 degrees after the screw head touches the surface of the plastic part. 90 degrees more (Cross-section) • Logic card to plastic Turn an additional 180 degrees after the screw head touches the surface of the logic card.

  • Page 42: Retaining The Uuid

    Note: Only an authorized Lenovo service technician can access the above Web site. 2. Restart the computer. 3. When the logo is displayed, press Esc. The ThinkPad Config Information Update Utility interface is displayed. 4. Type 1 under Enter the action desired, then press Enter. The ThinkPad Serial Number Update Utility for Asset ID screen is displayed.

  • Page 43: Reading Or Writing The Eca Information

    Reading or writing the ECA information Information on Engineering Change Announcements (ECA) are stored in the EEPROM of the system board. The electronic storage of this information simplifies the procedure to check if the ECA has been previously applied to a machine. The machine does not need to be disassembled to check for the ECA application. To check what ECAs have been previously applied to the machine, use the ECA Information Read/Write function on the USB Maintenance Key.

  • Page 44: Chapter 7. 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. You might be required to return the defective CRU. When return is required:(1) return instructions, a prepaid shipping label, and a container will be included with the replacement CRU;...
  • Page 45 Before servicing the computer Carefully read this topic before servicing the computer. Disabling the built-in battery Before replacing any FRU, ensure that you have disabled the built-in battery by doing the following: 1. Turn off your computer and disconnect the ac power adapter and all cables from the computer. 2.
  • Page 46 The only exception to this is if the battery 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, before getting a non-physically damaged battery replaced.
  • Page 47 Removal steps of the battery DANGER Use only the authorized battery specified for your computer. Any other battery could ignite or explode. Step Screw (quantity) Color Torque 0.181 Nm M2 × L4 mm, flat-head, nylon-coated (2) Silver (1.85 kgf-cm) ThinkPad 11e 3rd Gen and ThinkPad Yoga 11e 3rd Gen Hardware Maintenance Manual...

  • Page 48: 1010 Bottom Cover

    1030 M.2 solid-state drive For access, remove this FRU: • “1010 Bottom cover” on page 56 Attention: • Do not drop the drive or apply any physical shock to it. The drive is sensitive to physical shock. Improper handling can cause damage and permanent loss of data. •...

  • Page 49: 1040 Wireless Lan Card

    1040 Wireless LAN card For access, remove this FRU: • “1010 Bottom cover” on page 56 Removal steps of the wireless LAN card Torque Step Screw (quantity) Color M2 × L3 mm, flat-head, nylon-coated (1) Black 0.181 Nm (1.85 kgf-cm) When installing: Attach the gray cable to the connector marked “MAIN”...

  • Page 50: 1060 Coin-Cell Battery

    Removal steps of the memory module 1060 Coin-cell battery For access, remove this FRU: • “1010 Bottom cover” on page 56 Removal steps of the coin-cell battery When installing: Ensure that the connector is attached firmly. 1070 Keyboard For access, remove this FRU: •...
  • Page 51 Removal steps of the keyboard Torque Step Screw (quantity) Color M2 × L4 mm, flat-head, nylon-coated (2) Silver 0.181 Nm (1.85 kgf-cm) ThinkPad 11e 3rd Gen and ThinkPad Yoga 11e 3rd Gen Hardware Maintenance Manual...

  • Page 52: 1080 Keyboard Bezel Assembly And Media-Card-Reader Board

    When installing: Ensure that the connector is attached firmly. 1080 Keyboard bezel assembly and media-card-reader board For access, remove these FRUs in order: • “1010 Bottom cover” on page 56 • “1020 Battery” on page 57 • “1030 M.2 solid-state drive” on page 59 •...
  • Page 53 Removal steps of the keyboard bezel assembly Torque Step Screw cap Screw (quantity) Color M2.5 × L8 mm, flat-head, nylon-coated (2) Black 0.294 Nm (3.0 kgf-cm) M2 × L4 mm, flat-head, nylon-coated (1) Silver 0.181 Nm (1.85 kgf-cm) Black 0.181 Nm M2 x L2 mm, big-head, nylon-coated (7) (1.85 kgf-cm) M2 ×...
  • Page 54 When installing: Ensure that the connectors are attached firmly. Chapter 7 Removing or replacing a FRU...

  • Page 55: 1090 System Board Assembly, Dc-In Connector, And Thermal Fan

    Removal steps of the media-card-reader board Step Screw (quantity) Color Torque Black 0.181 Nm M2 × L3 mm, flat-head, nylon-coated (2) (1.85 kgf-cm) When installing: Ensure that the connector is attached firmly. 1090 System board assembly, dc-in connector, and thermal fan Important notices for handling the system board When handling the system board, read the following: •...
  • Page 56 • 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 Bottom cover” on page 56 •...
  • Page 57 Step Screw (quantity) Color Torque M2 × L4 mm, flat-head, nylon-coated (3) Silver 0.181 Nm (1.85 kgf-cm) ThinkPad 11e 3rd Gen and ThinkPad Yoga 11e 3rd Gen Hardware Maintenance Manual...
  • Page 58 Chapter 7 Removing or replacing a FRU...

  • Page 59: 1100 Lcd Unit

    When installing: Ensure that the connectors are attached firmly. 1100 LCD unit For access, remove these FRUs in order: • “1010 Bottom cover” on page 56 • “1020 Battery” on page 57 • “1030 M.2 solid-state drive” on page 59 •...
  • Page 60 Torque Step Screw (quantity) Color M2.5 × L5 mm, flat-head, nylon-coated (6) Black 0.294 Nm (3.0 kgf-cm) Chapter 7 Removing or replacing a FRU...

  • Page 61: Removing An Lcd Fru For Non-Touch Models

    Removing an LCD FRU for non-touch models This section provides instructions on how to remove an LCD FRU for non-touch models. 2010 LCD bezel assembly For access, remove these FRUs in order: • “1010 Bottom cover” on page 56 • “1020 Battery”...

  • Page 62: 2020 Lcd Panel And Lcd Cable

    Removal steps of the LCD bezel assembly Torque Step Screw cap Screw (quantity) Color M2 × L3 mm, flat-head, nylon-coated (2) Black 0.181 Nm (1.85 kgf-cm) When installing: Ensure that all the latches are attached firmly. 2020 LCD panel and LCD cable For access, remove these FRUs in order: •...

  • Page 63: 2030 Camera/Microphone Board

    • “1100 LCD unit” on page 70 • “2010 LCD bezel assembly” on page 72 Removal steps of LCD panel and LCD cable Step Screw (quantity) Color Torque Black 0.181 Nm M1.7 x L3 mm, flat-head, nylon-coated (4) (1.85 kgf-cm) When installing: Ensure that the LCD connector is attached firmly.

  • Page 64: 2040 Hinges

    • “1020 Battery” on page 57 • “1030 M.2 solid-state drive” on page 59 • “1040 Wireless LAN card” on page 60 • “1050 Memory module” on page 60 • “1060 Coin-cell battery” on page 61 • “1070 Keyboard” on page 61 •...
  • Page 65 Removal steps of the hinges Torque Step Screw (quantity) Color M2.5 × L3.5 mm, flat-head, nylon-coated (8) Black 0.294 Nm (3.0 kgf-cm) ThinkPad 11e 3rd Gen and ThinkPad Yoga 11e 3rd Gen Hardware Maintenance Manual...

  • Page 66: Removing An Lcd Fru For Touch Models

    Removing an LCD FRU for touch models This section provides instructions on how to remove an LCD FRU for touch models. 3010 LCD panel assembly, LCD cable, and LCD panel brackets For access, remove these FRUs in order: • “1010 Bottom cover” on page 56 •...
  • Page 67 Removal steps of the LCD panel assembly and LCD cable Torque Step Screw cap Screw (quantity) Color M2 × L3 mm, flat-head, nylon-coated (2) Black 0.181 Nm (1.85 kgf-cm) ThinkPad 11e 3rd Gen and ThinkPad Yoga 11e 3rd Gen Hardware Maintenance Manual...
  • Page 68 When installing: Ensure that the connectors are attached firmly. Removal steps of the LCD panel brackets Step Screw (quantity) Color Torque M2 × L2.5 mm, flat-head, nylon-coated (4) Black 0.181 Nm (1.85 kgf-cm) Chapter 7 Removing or replacing a FRU...

  • Page 69: 3020 Camera/Microphone Board And Proximity Sensor Board

    3020 Camera/microphone board and proximity sensor board For access, remove these FRUs in order: • “1010 Bottom cover” on page 56 • “1020 Battery” on page 57 • “1030 M.2 solid-state drive” on page 59 • “1040 Wireless LAN card” on page 60 •...
  • Page 70 Removal steps of the camera/microphone board When installing: Ensure that the connector is attached firmly. Removal steps of the proximity sensor board Chapter 7 Removing or replacing a FRU...

  • Page 71: 3030 Hinges

    When installing: Take the two sides of the sensor board, and then push it into the hook from the right side to the left side . Then take the two sides of the sensor board and press it into the hook .
  • Page 72 Removal steps of the hinges Step Screw (quantity) Color Torque Black 0.294 Nm M2.5 × L3.5 mm, flat-head, nylon-coated (6) (3.0 kgf-cm) Chapter 7 Removing or replacing a FRU...

  • Page 73: 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 74: Electronic Emissions Notices

    Electronic emissions notices For electronic emission information on Class B digital devices, refer to the corresponding information in the User Guide. Trademarks The following terms are trademarks of Lenovo in the United States, other countries or both: Lenovo ThinkPad Yoga Microsoft and Windows are trademarks of the Microsoft group of companies.

This manual is also suitable for:

Thinkpad yoga 11e 3rd genThinkpad 11e 3rd gen20g920ga20gb

Table of Contents