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Lenovo IdeaPad Slim 3i Chromebook 8 Hardware Maintenance Manual
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Lenovo IdeaPad Slim 3i Chromebook 8 Hardware Maintenance Manual

Lenovo IdeaPad Slim 3i Chromebook 8 Hardware Maintenance Manual

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Lenovo 14e Chromebook Gen 3,
Lenovo Slim 3i Chromebook 14",
Lenovo Slim 3i Chromebook Plus 14",
IdeaPad Slim 3i Chromebook (14", 8),
and IdeaPad Slim 3i Chromebook Plus (14", 8)
Hardware Maintenance Manual

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Summary of Contents for Lenovo IdeaPad Slim 3i Chromebook 8

  • Page 1 Lenovo 14e Chromebook Gen 3, Lenovo Slim 3i Chromebook 14″, Lenovo Slim 3i Chromebook Plus 14″, IdeaPad Slim 3i Chromebook (14″, 8), and IdeaPad Slim 3i Chromebook Plus (14″, 8) Hardware Maintenance Manual...
  • Page 2 First Edition (August 2023) © Copyright Lenovo 2023.

  • Page 3: Table Of Contents

    Trademarks ....lxvii Remove the 14-pin I/O board FFC (for selected models) ....© Copyright Lenovo 2023...
  • Page 4 Lenovo 14e Chromebook Gen 3, Lenovo Slim 3i Chromebook 14″, Lenovo Slim 3i Chromebook Plus 14″, IdeaPad Slim 3i Chromebook (14″, 8), and IdeaPad Slim 3i Chromebook Plus (14″, 8) Hardware Maintenance Manual...

  • Page 5: About This Manual

    Important: • This manual is intended only for trained service technicians who are familiar with Lenovo products. • Before servicing a Lenovo product, be sure to read all the information under Chapter 1 “Safety information” on page 1. © Copyright Lenovo 2023...
  • Page 6 Lenovo 14e Chromebook Gen 3, Lenovo Slim 3i Chromebook 14″, Lenovo Slim 3i Chromebook Plus 14″, IdeaPad Slim 3i Chromebook (14″, 8), and IdeaPad Slim 3i Chromebook Plus (14″, 8) Hardware Maintenance Manual...

  • Page 7: Chapter 1. Safety Information

    • Do not work alone under hazardous conditions or near equipment that has hazardous voltages. • Disconnect all power before: – Performing a mechanical inspection – Working near power supplies © Copyright Lenovo 2023...

  • Page 8: Safety Inspection Guide

    • Mechanical hazards, such as loose or missing hardware Lenovo 14e Chromebook Gen 3, Lenovo Slim 3i Chromebook 14″, Lenovo Slim 3i Chromebook Plus 14″, IdeaPad Slim 3i Chromebook (14″, 8), and IdeaPad Slim 3i Chromebook Plus (14″, 8) Hardware Maintenance Manual...

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

    4. Check for cracked or bulging batteries. 5. Remove the cover. 6. Check for any obvious non-Lenovo alterations. Use good judgment as to the safety of any non-Lenovo alterations. 7. Check inside the unit for any obvious unsafe conditions, such as metal filings, contamination, water or other liquids, or signs of fire or smoke damage.

  • Page 10: Grounding Requirements

    • Spanish • Traditional Chinese DANGER DANGER DANGER Lenovo 14e Chromebook Gen 3, Lenovo Slim 3i Chromebook 14″, Lenovo Slim 3i Chromebook Plus 14″, IdeaPad Slim 3i Chromebook (14″, 8), and IdeaPad Slim 3i Chromebook Plus (14″, 8) Hardware Maintenance Manual...
  • Page 11 DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 12 Lenovo 14e Chromebook Gen 3, Lenovo Slim 3i Chromebook 14″, Lenovo Slim 3i Chromebook Plus 14″, IdeaPad Slim 3i Chromebook (14″, 8), and IdeaPad Slim 3i Chromebook Plus (14″, 8) Hardware Maintenance Manual...
  • Page 13 PERIGO PERIGO PERIGO Chapter 1 Safety information...
  • Page 14 PERIGO PERIGO PERIGO PERIGO PERIGO Lenovo 14e Chromebook Gen 3, Lenovo Slim 3i Chromebook 14″, Lenovo Slim 3i Chromebook Plus 14″, IdeaPad Slim 3i Chromebook (14″, 8), and IdeaPad Slim 3i Chromebook Plus (14″, 8) Hardware Maintenance Manual...
  • Page 15 DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 16 DANGER DANGER DANGER DANGER VORSICHT Lenovo 14e Chromebook Gen 3, Lenovo Slim 3i Chromebook 14″, Lenovo Slim 3i Chromebook Plus 14″, IdeaPad Slim 3i Chromebook (14″, 8), and IdeaPad Slim 3i Chromebook Plus (14″, 8) Hardware Maintenance Manual...
  • Page 17 VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1 Safety information...
  • Page 18 VORSICHT VORSICHT VORSICHT Lenovo 14e Chromebook Gen 3, Lenovo Slim 3i Chromebook 14″, Lenovo Slim 3i Chromebook Plus 14″, IdeaPad Slim 3i Chromebook (14″, 8), and IdeaPad Slim 3i Chromebook Plus (14″, 8) Hardware Maintenance Manual...
  • Page 19 Chapter 1 Safety information...
  • Page 20 Lenovo 14e Chromebook Gen 3, Lenovo Slim 3i Chromebook 14″, Lenovo Slim 3i Chromebook Plus 14″, IdeaPad Slim 3i Chromebook (14″, 8), and IdeaPad Slim 3i Chromebook Plus (14″, 8) Hardware Maintenance Manual...
  • Page 21 Chapter 1 Safety information...
  • Page 22 Lenovo 14e Chromebook Gen 3, Lenovo Slim 3i Chromebook 14″, Lenovo Slim 3i Chromebook Plus 14″, IdeaPad Slim 3i Chromebook (14″, 8), and IdeaPad Slim 3i Chromebook Plus (14″, 8) Hardware Maintenance Manual...
  • Page 23 Chapter 1 Safety information...
  • Page 24 Lenovo 14e Chromebook Gen 3, Lenovo Slim 3i Chromebook 14″, Lenovo Slim 3i Chromebook Plus 14″, IdeaPad Slim 3i Chromebook (14″, 8), and IdeaPad Slim 3i Chromebook Plus (14″, 8) Hardware Maintenance Manual...
  • Page 25 Chapter 1 Safety information...
  • Page 26 Lenovo 14e Chromebook Gen 3, Lenovo Slim 3i Chromebook 14″, Lenovo Slim 3i Chromebook Plus 14″, IdeaPad Slim 3i Chromebook (14″, 8), and IdeaPad Slim 3i Chromebook Plus (14″, 8) Hardware Maintenance Manual...

  • Page 27: Chapter 2. General Checkout

    • LCD panel cracked from the application of excessive force or from being dropped • Scratched (cosmetic) parts • Distortion, deformation, or discoloration of the cosmetic parts • Plastic parts, latches, pins, or connectors that have been cracked or broken by excessive force © Copyright Lenovo 2023...

  • Page 28: Cru List

    I/O board bracket * for selected models Lenovo 14e Chromebook Gen 3, Lenovo Slim 3i Chromebook 14″, Lenovo Slim 3i Chromebook Plus 14″, IdeaPad Slim 3i Chromebook (14″, 8), and IdeaPad Slim 3i Chromebook Plus (14″, 8) Hardware Maintenance Manual...

  • Page 29: Chapter 3. Create And Use A Usb Repair Shim

    When you use the USB repair shim to diagnose problems, the Chromebook enters the factory-test-image environment and runs through factory test items. Note: For the latest and detailed shim instruction, you can refer to the RMA Shim SOP from "Drivers & Software" on with Lenovo service credential. https://support.lenovo.com © Copyright Lenovo 2023...
  • Page 30 Lenovo 14e Chromebook Gen 3, Lenovo Slim 3i Chromebook 14″, Lenovo Slim 3i Chromebook Plus 14″, IdeaPad Slim 3i Chromebook (14″, 8), and IdeaPad Slim 3i Chromebook Plus (14″, 8) Hardware Maintenance Manual...

  • Page 31: Chapter 4. Identifying Frus (Crus)

    Chapter 4. Identifying FRUs (CRUs) Locate FRUs and CRUs The exploded illustrations help Lenovo service technicians identify FRUs or CRUs that they may need to replace when servicing a customer’s Chromebook. Figure 1. System exploded view © Copyright Lenovo 2023...
  • Page 32 Power cord * for selected models Lenovo 14e Chromebook Gen 3, Lenovo Slim 3i Chromebook 14″, Lenovo Slim 3i Chromebook Plus 14″, IdeaPad Slim 3i Chromebook (14″, 8), and IdeaPad Slim 3i Chromebook Plus (14″, 8) Hardware Maintenance Manual...
  • Page 33 Figure 2. LCD exploded view Table 4. FRU (CRU) categories FRU (CRU) category LCD bezel LCD panel EDP cable Microphone rubbers Camera board LCD cover Removable tapes Hinges Hinge caps Chapter 4 Identifying FRUs (CRUs)
  • Page 34 Lenovo 14e Chromebook Gen 3, Lenovo Slim 3i Chromebook 14″, Lenovo Slim 3i Chromebook Plus 14″, IdeaPad Slim 3i Chromebook (14″, 8), and IdeaPad Slim 3i Chromebook Plus (14″, 8) Hardware Maintenance Manual...

  • Page 35: Chapter 5. Removing A Fru Or Cru

    Chapter 5. Removing a FRU or CRU Service tools The following table lists tools for servicing Lenovo Chromebooks. Tools with a cross mark are needed for serving the product models as described by this publication. Prepare them before you service the product.

  • Page 36: Remove The Sim Tray (For 5G Models)

    Insert a SIM-eject tool into the hole beside the tray to pop open the SIM tray. Lenovo 14e Chromebook Gen 3, Lenovo Slim 3i Chromebook 14″, Lenovo Slim 3i Chromebook Plus 14″, IdeaPad Slim 3i Chromebook (14″, 8), and IdeaPad Slim 3i Chromebook Plus (14″, 8) Hardware Maintenance Manual...

  • Page 37: Remove The Lower Case

    Figure 3. Remove the SIM tary Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: SIM tray Remove the lower case Step 1. Place the computer upside down on a flat surface. Step 2.

  • Page 38: Remove The Battery Pack

    Attention: Use your fingernail to pull the connector to unplug it. Do not pull the cable. Lenovo 14e Chromebook Gen 3, Lenovo Slim 3i Chromebook 14″, Lenovo Slim 3i Chromebook Plus 14″, IdeaPad Slim 3i Chromebook (14″, 8), and IdeaPad Slim 3i Chromebook Plus (14″, 8) Hardware Maintenance Manual...

  • Page 39: Remove The Sim Board Cable (For 5G Models)

    Remove the Wi-Fi card. Figure 7. Remove the Wi-Fi card Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: Wi-Fi card Remove the SIM board cable (for 5G models) Make sure the following FRUs (or CRUs) have been removed.

  • Page 40: Remove The Right I/O Board Bracket

    Attention: Use your fingernail to pull the connector to unplug it. Do not pull the cable. Lenovo 14e Chromebook Gen 3, Lenovo Slim 3i Chromebook 14″, Lenovo Slim 3i Chromebook Plus 14″, IdeaPad Slim 3i Chromebook (14″, 8), and IdeaPad Slim 3i Chromebook Plus (14″, 8) Hardware Maintenance Manual...

  • Page 41: Remove The Left I/O Board Bracket

    Number of screws M2.0 × L4.5 Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: Right I/O board bracket Remove the left I/O board bracket Make sure the following FRUs (or CRUs) have been removed.

  • Page 42: Remove The 14-Pin I/O Board Ffc (For Selected Models)

    Attention: Use your fingernail to pull the connector to unplug it. Do not pull the cable. Lenovo 14e Chromebook Gen 3, Lenovo Slim 3i Chromebook 14″, Lenovo Slim 3i Chromebook Plus 14″, IdeaPad Slim 3i Chromebook (14″, 8), and IdeaPad Slim 3i Chromebook Plus (14″, 8) Hardware Maintenance Manual...

  • Page 43: Remove The 40-Pin I/O Board Ffc (For Selected Models)

    Figure 11. Disconnect and remove the 14-pin I/O board FFC Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: 14-pin I/O board FFC Remove the 40-pin I/O board FFC (for selected models) Make sure the following FRUs (or CRUs) have been removed.

  • Page 44: Remove The 40-Pin I/O Board Cable (For Selected Models)

    Attention: Use your fingernail to pull the connector to unplug it. Do not pull the cable. Lenovo 14e Chromebook Gen 3, Lenovo Slim 3i Chromebook 14″, Lenovo Slim 3i Chromebook Plus 14″, IdeaPad Slim 3i Chromebook (14″, 8), and IdeaPad Slim 3i Chromebook Plus (14″, 8) Hardware Maintenance Manual...

  • Page 45: Remove The I/O Board

    I/O board cable. Figure 15. Remove the 14-pin I/O board cable Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: 14-pin I/O board cable Remove the I/O board Make sure the following FRUs (or CRUs) have been removed.

  • Page 46: Remove The Wwan Card (For 5G Models)

    Peel off the mylar. Then, disconnect the MIMO antennas and WWAN antennas from the WWAN card. Lenovo 14e Chromebook Gen 3, Lenovo Slim 3i Chromebook 14″, Lenovo Slim 3i Chromebook Plus 14″, IdeaPad Slim 3i Chromebook (14″, 8), and IdeaPad Slim 3i Chromebook Plus (14″, 8) Hardware Maintenance Manual...

  • Page 47: Remove The Wwan Card (For 5G Models)

    Figure 17. Peel off the mylar and disconnect all antennas Step 2. Remove one screw and remove the WWAN card. Figure 18. Remove one screw and the WWAN card Screw specifications Number of screws M2.0 × L4.5 Step 3. Remove the WWAN card thermal pad. Chapter 5 Removing a FRU or CRU...

  • Page 48: Remove The Dummy Fan (For Selected Models)

    Make sure the following FRUs (or CRUs) have been removed. Lenovo 14e Chromebook Gen 3, Lenovo Slim 3i Chromebook 14″, Lenovo Slim 3i Chromebook Plus 14″, IdeaPad Slim 3i Chromebook (14″, 8), and IdeaPad Slim 3i Chromebook Plus (14″, 8) Hardware Maintenance Manual...

  • Page 49: Remove The Fan (For Selected Models)

    Figure 21. Remove one screw and the dummy fan Screw specifications Number of screws M2.0 × L4.5 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Dummy fan Remove the fan (for selected models) Make sure the following FRUs (or CRUs) have been removed.

  • Page 50: Remove The Speakers

    “Remove the lower case” on page 31 Lenovo 14e Chromebook Gen 3, Lenovo Slim 3i Chromebook 14″, Lenovo Slim 3i Chromebook Plus 14″, IdeaPad Slim 3i Chromebook (14″, 8), and IdeaPad Slim 3i Chromebook Plus (14″, 8) Hardware Maintenance Manual...

  • Page 51: Remove The Wi-Fi Antennas

    Attention: Use your fingernail to pull the connector to unplug it. Do not pull the cable. Figure 24. Disconnect the cables and remove the speakers Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part:...

  • Page 52: Remove The Wi-Fi Antennas (For 5G Models)

    Disconnect the keyboard cable and touchpad cable from the main board. Then, remove the speakers. Lenovo 14e Chromebook Gen 3, Lenovo Slim 3i Chromebook 14″, Lenovo Slim 3i Chromebook Plus 14″, IdeaPad Slim 3i Chromebook (14″, 8), and IdeaPad Slim 3i Chromebook Plus (14″, 8) Hardware Maintenance Manual...

  • Page 53: Remove The System Board And Heat Sink (For Dummy Fan Models)

    Step 2. Disconnect the Wi-Fi antennas from the Wi-Fi card and remove the Wi-Fi antennas. Figure 28. Disconnect and remove the antennas Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Wi-Fi antenna Remove the system board and heat sink (for dummy fan models) Make sure the following FRUs (or CRUs) have been removed.
  • Page 54 Loosen four screws in alphabetical order and then remove the heat sink. Lenovo 14e Chromebook Gen 3, Lenovo Slim 3i Chromebook 14″, Lenovo Slim 3i Chromebook Plus 14″, IdeaPad Slim 3i Chromebook (14″, 8), and IdeaPad Slim 3i Chromebook Plus (14″, 8) Hardware Maintenance Manual...

  • Page 55: Remove The System Board And Heat Sink (For Real Fan Models)

    Figure 31. Loosen four screws and remove the heat sink Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: System board Heat sink Remove the system board and heat sink (for real fan models) Make sure the following FRUs (or CRUs) have been removed.

  • Page 56: Remove The System Board And Heat Sink (For 5G Models)

    Make sure the following FRUs (or CRUs) have been removed. Lenovo 14e Chromebook Gen 3, Lenovo Slim 3i Chromebook 14″, Lenovo Slim 3i Chromebook Plus 14″, IdeaPad Slim 3i Chromebook (14″, 8), and IdeaPad Slim 3i Chromebook Plus (14″, 8) Hardware Maintenance Manual...
  • Page 57 “Remove the lower case” on page 31 “Remove the Wi-Fi card” on page 32 “Remove the right I/O board bracket” on page 34 “Remove the 14-pin I/O board FFC (for selected models)” on page 36 “Remove the WWAN card (for 5G models)” on page 40 Step 1.

  • Page 58: Remove The Mimo Antennas (For 5G Models)

    Remove the Wi-Fi antenna from the cable guide. Lenovo 14e Chromebook Gen 3, Lenovo Slim 3i Chromebook 14″, Lenovo Slim 3i Chromebook Plus 14″, IdeaPad Slim 3i Chromebook (14″, 8), and IdeaPad Slim 3i Chromebook Plus (14″, 8) Hardware Maintenance Manual...
  • Page 59 Figure 39. Disconnect and remove the MIMO antennas Number of screws Screw specifications M2.0 × L4.5 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: MIMO antennas Chapter 5 Removing a FRU or CRU...

  • Page 60: Remove The Sim Board (For 5G Models)

    “Remove the Wi-Fi card” on page 32 Lenovo 14e Chromebook Gen 3, Lenovo Slim 3i Chromebook 14″, Lenovo Slim 3i Chromebook Plus 14″, IdeaPad Slim 3i Chromebook (14″, 8), and IdeaPad Slim 3i Chromebook Plus (14″, 8) Hardware Maintenance Manual...
  • Page 61 “Remove the right I/O board bracket” on page 34 “Remove the 14-pin I/O board FFC (for selected models)” on page 36 “Remove the 40-pin I/O board FFC (for selected models)” on page 37 “Remove the WWAN card (for 5G models)” on page 40 “Remove the system board and heat sink (for 5G models)”...

  • Page 62: Remove The Lcd Module

    Then, remove the LCD module. Lenovo 14e Chromebook Gen 3, Lenovo Slim 3i Chromebook 14″, Lenovo Slim 3i Chromebook Plus 14″, IdeaPad Slim 3i Chromebook (14″, 8), and IdeaPad Slim 3i Chromebook Plus (14″, 8) Hardware Maintenance Manual...

  • Page 63: Remove The Upper Case (With Keyboard)

    Figure 44. Rotate and remove the LCD module Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: LCD module Remove the upper case (with keyboard) Make sure the following FRUs (CRUs) have been removed.

  • Page 64: Remove The Hinge Caps

    “Remove the hinge caps” on page 58 Lenovo 14e Chromebook Gen 3, Lenovo Slim 3i Chromebook 14″, Lenovo Slim 3i Chromebook Plus 14″, IdeaPad Slim 3i Chromebook (14″, 8), and IdeaPad Slim 3i Chromebook Plus (14″, 8) Hardware Maintenance Manual...

  • Page 65: Remove The Hinges

    The lower side of the LCD bezel is fixed to the LCD panel with adhesive tape. Detach with care. Figure 46. Pull the inner sides of the LCD bezel Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: LCD bezel Remove the hinges Make sure the following FRUs (or CRUs) have been removed.

  • Page 66: Remove The Lcd Panel

    Detach the cable before removing the LCD panel. Lenovo 14e Chromebook Gen 3, Lenovo Slim 3i Chromebook 14″, Lenovo Slim 3i Chromebook Plus 14″, IdeaPad Slim 3i Chromebook (14″, 8), and IdeaPad Slim 3i Chromebook Plus (14″, 8) Hardware Maintenance Manual...

  • Page 67: Remove The Edp Cable

    Peel back the tape and disconnect the EDP cable from the LCD panel. Then, remove the LCD panel. Figure 49. Remove the LCD panel Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: LCD panel Removable tape Remove the EDP cable Make sure the following FRUs (or CRUs) have been removed.

  • Page 68: Remove The Microphone Rubbers

    “Remove the LCD panel” on page 60 Step 1. Remove the microphone rubbers. Lenovo 14e Chromebook Gen 3, Lenovo Slim 3i Chromebook 14″, Lenovo Slim 3i Chromebook Plus 14″, IdeaPad Slim 3i Chromebook (14″, 8), and IdeaPad Slim 3i Chromebook Plus (14″, 8) Hardware Maintenance Manual...

  • Page 69: Remove The Camera Board

    Figure 51. Remove the microphone rubbers Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Microphone rubber Remove the camera board Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 31 “Remove the LCD module”...

  • Page 70: Remove The Lcd Cover

    Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: LCD cover Lenovo 14e Chromebook Gen 3, Lenovo Slim 3i Chromebook 14″, Lenovo Slim 3i Chromebook Plus 14″, IdeaPad Slim 3i Chromebook (14″, 8), and IdeaPad Slim 3i Chromebook Plus (14″, 8) Hardware Maintenance Manual...

  • Page 71: Appendix A. Label Locations

    Label dimensions Asset tag Label ≤ 50.8 mm x 25.4 mm Asset tag Label ≥ 50.8 mm x 25.4 mm Rating Label 100 mm x 30 mm Battery Recycling Label Taiwan 24 mm x 20 mm © Copyright Lenovo 2023...
  • Page 72 Lenovo 14e Chromebook Gen 3, Lenovo Slim 3i Chromebook 14″, Lenovo Slim 3i Chromebook Plus 14″, IdeaPad Slim 3i Chromebook (14″, 8), and IdeaPad Slim 3i Chromebook Plus (14″, 8) Hardware Maintenance Manual...

  • Page 73: Trademarks

    Trademarks LENOVO and the LENOVO logo are trademarks of Lenovo. All other trademarks are the property of their respective owners. © 2023 Lenovo.

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